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	<id>https://drorbn.net/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Eyjaffe</id>
	<title>Drorbn - User contributions [en]</title>
	<link rel="self" type="application/atom+xml" href="https://drorbn.net/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Eyjaffe"/>
	<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=Special:Contributions/Eyjaffe"/>
	<updated>2026-04-23T05:31:05Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=16682</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=16682"/>
		<updated>2019-08-10T01:34:55Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: Blanked the page&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267&amp;diff=12107</id>
		<title>12-267</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267&amp;diff=12107"/>
		<updated>2012-10-09T03:12:29Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;__NOEDITSECTION__&lt;br /&gt;
__NOTOC__&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
==Advanced Ordinary Differential Equations==&lt;br /&gt;
===Department of Mathematics, University of Toronto, Fall 2012===&lt;br /&gt;
&lt;br /&gt;
{{12-267/Crucial Information}}&lt;br /&gt;
&lt;br /&gt;
===Text===&lt;br /&gt;
Boyce and DiPrima, [http://ca.wiley.com/WileyCDA/WileyTitle/productCd-EHEP002451.html Elementary Differential Equations and Boundary Value Problems] (current edition is 9th and 10th will be coming out shortly. Hopefully any late enough edition will do).&lt;br /&gt;
&lt;br /&gt;
===Further Resources===&lt;br /&gt;
&lt;br /&gt;
* [http://www.math.toronto.edu/undergrad/ Undergraduate Information] at the [http://www.math.toronto.edu/ UofT Math Department]&lt;br /&gt;
&lt;br /&gt;
* [http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm Undergraduate Course Descriptions].&lt;br /&gt;
&lt;br /&gt;
* Vitali Kapovitch&#039;s 2007 classes: [http://www.math.toronto.edu/vtk/267/ Spring], [http://www.math.toronto.edu/vtk/267fall07/ Fall].&lt;br /&gt;
&lt;br /&gt;
* Also previously taught by T. Bloom, C. Pugh, D. Remenik.&lt;br /&gt;
&lt;br /&gt;
* My {{Pensieve Link|Classes/12-267/|12-267 notebook}}.&lt;br /&gt;
&lt;br /&gt;
{{Template:12-267:Dror/Students Divider}}&lt;br /&gt;
&lt;br /&gt;
[[User:Drorbn|Drorbn]] 06:36, 12 September 2012 (EDT): Material by [[User:Syjytg|Syjytg]] moved to [[12-267/Tuesday September 11 Notes]].&lt;br /&gt;
&lt;br /&gt;
[http://graphics.ethz.ch/teaching/former/vc_master_06/Downloads/viscomp-varcalc_6.pdf Useful PDF: proof of Euler-Lagrange equation, explanation, examples ] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
[http://math.hunter.cuny.edu/mbenders/cofv.pdf In-depth coverage of Calculus of Variations]&lt;br /&gt;
[http://highered.mcgraw-hill.com/sites/dl/free/007063419x/392340/Calculus_of_Variations.pdf A good summary of what we&#039;ve covered so far]&lt;br /&gt;
[[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
[http://imgur.com/a/1vy11#0 All class notes from September 10th to October 5th] [[User:Simon1|Simon1]]&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267&amp;diff=12106</id>
		<title>12-267</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267&amp;diff=12106"/>
		<updated>2012-10-09T03:10:37Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;__NOEDITSECTION__&lt;br /&gt;
__NOTOC__&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
==Advanced Ordinary Differential Equations==&lt;br /&gt;
===Department of Mathematics, University of Toronto, Fall 2012===&lt;br /&gt;
&lt;br /&gt;
{{12-267/Crucial Information}}&lt;br /&gt;
&lt;br /&gt;
===Text===&lt;br /&gt;
Boyce and DiPrima, [http://ca.wiley.com/WileyCDA/WileyTitle/productCd-EHEP002451.html Elementary Differential Equations and Boundary Value Problems] (current edition is 9th and 10th will be coming out shortly. Hopefully any late enough edition will do).&lt;br /&gt;
&lt;br /&gt;
===Further Resources===&lt;br /&gt;
&lt;br /&gt;
* [http://www.math.toronto.edu/undergrad/ Undergraduate Information] at the [http://www.math.toronto.edu/ UofT Math Department]&lt;br /&gt;
&lt;br /&gt;
* [http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm Undergraduate Course Descriptions].&lt;br /&gt;
&lt;br /&gt;
* Vitali Kapovitch&#039;s 2007 classes: [http://www.math.toronto.edu/vtk/267/ Spring], [http://www.math.toronto.edu/vtk/267fall07/ Fall].&lt;br /&gt;
&lt;br /&gt;
* Also previously taught by T. Bloom, C. Pugh, D. Remenik.&lt;br /&gt;
&lt;br /&gt;
* My {{Pensieve Link|Classes/12-267/|12-267 notebook}}.&lt;br /&gt;
&lt;br /&gt;
{{Template:12-267:Dror/Students Divider}}&lt;br /&gt;
&lt;br /&gt;
[[User:Drorbn|Drorbn]] 06:36, 12 September 2012 (EDT): Material by [[User:Syjytg|Syjytg]] moved to [[12-267/Tuesday September 11 Notes]].&lt;br /&gt;
&lt;br /&gt;
[http://graphics.ethz.ch/teaching/former/vc_master_06/Downloads/viscomp-varcalc_6.pdf Useful PDF: proof of Euler-Lagrange equation, explanation, examples ] [[User:Vsbdthrsh|Vsbdthrsh]]&lt;br /&gt;
&lt;br /&gt;
[http://math.hunter.cuny.edu/mbenders/cofv.pdf: In-depth coverage of Calculus of Variations]&lt;br /&gt;
[http://highered.mcgraw-hill.com/sites/dl/free/007063419x/392340/Calculus_of_Variations.pdf A good summary of what we&#039;ve covered so far]&lt;br /&gt;
[[User:Simon1|Simon1]]&lt;br /&gt;
&lt;br /&gt;
[http://imgur.com/a/1vy11#0 All class notes from September 10th to October 5th] [[User:Simon1|Simon1]]&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Homework_Assignment_3&amp;diff=12096</id>
		<title>12-267/Homework Assignment 3</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Homework_Assignment_3&amp;diff=12096"/>
		<updated>2012-10-07T04:22:26Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
This assignment is due at the tutorial on Tuesday October 9. Here and everywhere, &#039;&#039;&#039;neatness counts!!&#039;&#039;&#039; You may be brilliant and you may mean just the right things, but if your readers have a hard time deciphering your work they will give up and assume it is wrong.&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Task 0.&#039;&#039;&#039; Identify yourself in the [[12-267/Class Photo|Class Photo]]!&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Task 1.&#039;&#039;&#039; Let &amp;lt;math&amp;gt;\phi_n\colon X\to{\mathbb R}&amp;lt;/math&amp;gt; be a sequence of functions defined on some set &amp;lt;math&amp;gt;X&amp;lt;/math&amp;gt;, and suppose that some sequence &amp;lt;math&amp;gt;c_n&amp;lt;/math&amp;gt; of non-negative reals is given such that for every &amp;lt;math&amp;gt;x\in X&amp;lt;/math&amp;gt;, &amp;lt;math&amp;gt;|\phi_n(x)-\phi_{n+1}(x)|\leq c_n&amp;lt;/math&amp;gt;. Suppose also that &amp;lt;math&amp;gt;\sum_{n=1}^\infty c_n&amp;lt;/math&amp;gt; is finite. Prove that the sequence &amp;lt;math&amp;gt;\phi_n&amp;lt;/math&amp;gt; is uniformly convergent.&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Task 2.&#039;&#039;&#039; Find the extrema of the following functionals:&lt;br /&gt;
# &amp;lt;math&amp;gt;y\mapsto \int_0^1y&#039;dx&amp;lt;/math&amp;gt; subject to &amp;lt;math&amp;gt;y(0)=0&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;y(1)=1&amp;lt;/math&amp;gt;.&lt;br /&gt;
# &amp;lt;math&amp;gt;y\mapsto \int_0^1yy&#039;dx&amp;lt;/math&amp;gt; subject to &amp;lt;math&amp;gt;y(0)=0&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;y(1)=1&amp;lt;/math&amp;gt;.&lt;br /&gt;
# &amp;lt;math&amp;gt;y\mapsto \int_0^1xyy&#039;dx&amp;lt;/math&amp;gt; subject to &amp;lt;math&amp;gt;y(0)=0&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;y(1)=1&amp;lt;/math&amp;gt;.&lt;br /&gt;
# &amp;lt;math&amp;gt;y\mapsto\int_a^b\frac{y&#039;^2}{x^3}dx&amp;lt;/math&amp;gt;.&lt;br /&gt;
# &amp;lt;math&amp;gt;y\mapsto\int_a^b(y^2+y&#039;^2+2ye^x)dx&amp;lt;/math&amp;gt;.&lt;br /&gt;
# &amp;lt;span style=&amp;quot;color: red&amp;quot;&amp;gt;Postponed!&amp;lt;/span&amp;gt; &amp;lt;math&amp;gt;y\mapsto\int_0^1(y&#039;^2+x^2)dx&amp;lt;/math&amp;gt; subject to &amp;lt;math&amp;gt;\int_0^1y^2dx=2&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;y(0)=0&amp;lt;/math&amp;gt; and &amp;lt;math&amp;gt;y(1)=1&amp;lt;/math&amp;gt;.&lt;br /&gt;
&lt;br /&gt;
&#039;&#039;&#039;Task 3.&#039;&#039;&#039; A roach &amp;lt;math&amp;gt;R&amp;lt;/math&amp;gt; I once met was mortally afraid of walls, and so when it walked on my kitchen&#039;s floor, its speed was exactly proportional to its distance from the nearest wall (that is, very near a wall it crawled very slowly, while in the centre of the room it run around quickly and happily). As a step towards simplifying &amp;lt;math&amp;gt;R&amp;lt;/math&amp;gt;&#039;s life, help it find the fastest path from one point in the upper half plane &amp;lt;math&amp;gt;\{y&amp;gt;0\}&amp;lt;/math&amp;gt; to another point in the upper half plane, assuming there is only one wall around, built along the &amp;lt;math&amp;gt;x&amp;lt;/math&amp;gt;-axis &amp;lt;math&amp;gt;y=0&amp;lt;/math&amp;gt;.&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=12004</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=12004"/>
		<updated>2012-10-02T01:34:43Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012; photo by Jordan Bell:&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Gordon|first=Jake|userid=Gordonj|email=jake. gordon @mail. utoronto. ca|location= second row from bottom, second from the left in the green sweater.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=ethan.jaffe @mail. utoronto.ca|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Kojar|first=Tomas|userid=|email=tomas. kojar @mail. utoronto. ca|location=fourth row, fourth from right, the guy not looking at the camera.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|location=immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
{{Photo Entry|last=Naranjo|first=Alvaro|userid=naranjoa|email=alvaro. naranjo @ mail.utoronto.ca|location=directly under Y in &amp;quot;RAMSAY&amp;quot; wearing red sweater|comments=}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11983</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11983"/>
		<updated>2012-09-29T14:59:20Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012; photo by Jordan Bell:&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Gordon|first=Jake|userid=Gordonj|email=jake. gordon @mail. utoronto. ca|location= second row from bottom, second from the left in the green sweater.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Kojar|first=Tomas|userid=|email=tomas. kojar @mail. utoronto. ca|location=fourth row, fourth from right, the guy not looking at the camera.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|location=immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
{{Photo Entry|last=Naranjo|first=Alvaro|userid=naranjoa|email=alvaro. naranjo @ mail.utoronto.ca|location=directly under Y in &amp;quot;RAMSAY&amp;quot; wearing red sweater|comments=}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11982</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11982"/>
		<updated>2012-09-29T14:58:40Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012; photo by Jordan Bell:&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Gordon|first=Jake|userid=Gordonj|email=jake. gordon @mail. utoronto. ca|location= second row from bottom, second from the left in the green sweater.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Kojar|first=Tomas|userid|email=tomas. kojar @mail. utoronto. ca|location=fourth row, fourth from right, the guy not looking at the camera.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|location=immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
{{Photo Entry|last=Naranjo|first=Alvaro|userid=naranjoa|email=alvaro. naranjo @ mail.utoronto.ca|location=directly under Y in &amp;quot;RAMSAY&amp;quot; wearing red sweater|comments=}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11981</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11981"/>
		<updated>2012-09-29T14:58:18Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012; photo by Jordan Bell:&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Gordon|first=Jake|userid=Gordonj|email=jake. gordon @mail. utoronto. ca|location= second row from bottom, second from the left in the green sweater.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Kojar|first=Tomas|userid=|email=tomas. kojar @mail. utoronto. ca|location=fourth row, fourth from right, the guy not looking at the camera.&amp;quot;|comments=}}&lt;br /&gt;
{{Photo Entry|last=Love|first=Jonathan|userid=Jonathanrlove|email=jonathan.love@ mail.utoronto.ca|location=immediately to the left of the big awkward space in the middle row|comments=}}&lt;br /&gt;
{{Photo Entry|last=Naranjo|first=Alvaro|userid=naranjoa|email=alvaro. naranjo @ mail.utoronto.ca|location=directly under Y in &amp;quot;RAMSAY&amp;quot; wearing red sweater|comments=}}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11975</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11975"/>
		<updated>2012-09-29T00:09:15Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second-year Mathematics Specialist (or Applied Mathematics Specialist, or maybe Statistics Major...) and second-year representative on the [http://utmu.ca/ Math Union].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.cdf.toronto.edu/~csc207h/fall/ CSC207H1] (evening section)&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1] (afternoon section)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11974</id>
		<title>User:Jonathanrlove</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11974"/>
		<updated>2012-09-29T00:09:01Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second Year Math Specialist, president of the [http://utmu.ca/ UofT math union], and [http://www.imdb.com/name/nm3548465/ movie star].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_pol.htm#POL101Y1 POL101Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.math.toronto.edu/lam/ MAT135H1] (TA)&lt;br /&gt;
&lt;br /&gt;
(Page layout stolen from [[User:Eyjaffe|Ethan Jaffe]])&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11973</id>
		<title>User:Jonathanrlove</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Jonathanrlove&amp;diff=11973"/>
		<updated>2012-09-29T00:08:05Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second Year Math Specialist, president of the [http://utmu.ca/ UofT math union], and [http://www.imdb.com/name/nm3548465/ movie star].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_pol.htm#POL101Y1 POL101Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.math.toronto.edu/lam/ MAT135H1] (TA)&lt;br /&gt;
&lt;br /&gt;
(Page layout stolen from [[User:Eyjaffe]] Eyjaffe)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-240/Class_Photo&amp;diff=11929</id>
		<title>12-240/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-240/Class_Photo&amp;diff=11929"/>
		<updated>2012-09-27T06:06:18Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: /* Who We Are... */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
&lt;br /&gt;
[[Image:12-240-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-240/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=facing everybody, as the photographer|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Can|first=Oguzhan|userid=Oguzhancan|email=oguzhan.can@ mail.utoronto.ca|location=Seventh row from the front, fifth from the right, blue tshirt. |comments=}}&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Hoover|first=Ken|userid=Khoover|email=ken.hoover@ mail.utoronto.ca|location=First row, fourth from the right.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Klingspor|first=Josefine|userid=Josefine|email=josefine. klingspor@ mail. utoronto. ca|location=First row, second from left.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Liu|first=Zhaowei|userid=tod|email=tod.liu@mail.utoronto .ca|location=First row, third from the right|comments=}}&lt;br /&gt;
{{Photo Entry|last=Millson|first=Richard|userid=Richardm|email=r.millson@ mail. utoronto. ca|location=Seventh row from the front, fourth from the right, blue sweater|comments=}}&lt;br /&gt;
{{Photo Entry|last=Vicencio-Heap|first=Felipe|userid=Heapfeli|email=felipe. vicencio. heap@ mail. utoronto. ca|location=Second row from the front, furthest to the right.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Wamer|first=Kyle|userid=kylewamer|email=kyle. wamer @ mail. utoronto. ca|location=Second row, fifth from the left in the red shirt.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Yang|first=Chen|userid=chen|email=neochen.yang@mail.utoronto.ca|location=sixth row, first from the right in the black pull-over.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Zhang|first=BingZhen|userid=Zetalda|email=bingzhen.zhang@ mail. utoronto. ca|location=Second last row, third from left.|comments=}}&lt;br /&gt;
{{Photo Entry|last=Zoghi|first=Sina|userid=sina.zoghi|email=sina.zoghi@ utoronto .ca|location=First row, leftest left.|comments=}}&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11928</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11928"/>
		<updated>2012-09-27T06:01:22Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second-year Mathematics Specialist (or Applied Mathematics Specialist, or maybe Statistics Major...) and second-year representative on the [http://utmu.ca/ Math Union].&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.cdf.toronto.edu/~csc207h/fall/ CSC207H1] (evening section)&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1] (evening section)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11926</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11926"/>
		<updated>2012-09-27T05:56:15Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Second-year Mathematics Specialist (or Applied Mathematics Specialist, or maybe Statistics Major...) and second-year representative on the Math Union.&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.cdf.toronto.edu/~csc207h/fall/ CSC207H1] (evening section)&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1] (evening section)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11898</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11898"/>
		<updated>2012-09-26T02:51:52Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11897</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11897"/>
		<updated>2012-09-26T02:49:56Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eighth from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=Notes_for_12-267-120925/0:30:54&amp;diff=11896</id>
		<title>Notes for 12-267-120925/0:30:54</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=Notes_for_12-267-120925/0:30:54&amp;diff=11896"/>
		<updated>2012-09-26T02:25:45Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[http://en.wikipedia.org/wiki/Rademacher%27s_theorem Rademacher&#039;s theorem] answers in the negative the question that Ethan asked in class at about 30:25. If a function is Lipschitz, then it is differential almost everywhere.&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=Notes_for_12-267-120925/0:30:54&amp;diff=11895</id>
		<title>Notes for 12-267-120925/0:30:54</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=Notes_for_12-267-120925/0:30:54&amp;diff=11895"/>
		<updated>2012-09-26T02:25:35Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;[http://en.wikipedia.org/wiki/Rademacher%27s_theorem|Rademacher&#039;s theorem] answers in the negative the question that Ethan asked in class at about 30:25. If a function is Lipschitz, then it is differential almost everywhere.&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11894</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11894"/>
		<updated>2012-09-26T02:17:58Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eightH from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11891</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11891"/>
		<updated>2012-09-26T00:48:38Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;I&#039;m a second-year Mathematics Specialist (or Applied Mathematics Specialist, or Statistics Major too).&lt;br /&gt;
&lt;br /&gt;
My courses this semester (Fall 2012):&lt;br /&gt;
&lt;br /&gt;
[http://www.cdf.toronto.edu/~csc207h/fall/ CSC207H1] (evening section)&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1] (evening section)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11890</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11890"/>
		<updated>2012-09-26T00:47:29Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eight from right, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11889</id>
		<title>User:Eyjaffe</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=User:Eyjaffe&amp;diff=11889"/>
		<updated>2012-09-26T00:46:52Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;I&#039;m a second-year Mathematics Specialist (or Applied Mathematics Specialist, or Statistics Major too).&lt;br /&gt;
&lt;br /&gt;
My courses this semester:&lt;br /&gt;
&lt;br /&gt;
[http://www.cdf.toronto.edu/~csc207h/fall/ CSC207H1] (evening section)&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT257Y1 MAT257Y1]&lt;br /&gt;
&lt;br /&gt;
[http://drorbn.net/index.php?title=12-267/About_This_Class MAT267H1]&lt;br /&gt;
&lt;br /&gt;
[http://www.artsandscience.utoronto.ca/ofr/calendar/crs_mat.htm#MAT347Y1 MAT347Y1]&lt;br /&gt;
&lt;br /&gt;
[http://www.utstat.toronto.edu/~olgac/sta257_2012/ STA257H1] (evening section)&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
	<entry>
		<id>https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11888</id>
		<title>12-267/Class Photo</title>
		<link rel="alternate" type="text/html" href="https://drorbn.net/index.php?title=12-267/Class_Photo&amp;diff=11888"/>
		<updated>2012-09-26T00:39:55Z</updated>

		<summary type="html">&lt;p&gt;Eyjaffe: /* Who We Are... */&lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;Our class on September 25, 2012:&lt;br /&gt;
&lt;br /&gt;
[[Image:12-267-ClassPhoto.jpg|thumb|centre|800px|Class Photo: click to enlarge]]&lt;br /&gt;
{{12-267/Navigation}}&lt;br /&gt;
&lt;br /&gt;
Please identify yourself in this photo! There are two ways to do that:&lt;br /&gt;
&lt;br /&gt;
* [[Special:Userlogin|Log in]] to this Wiki and edit this page. Put your name, userid, email address and location in the picture in the alphabetical list below.&lt;br /&gt;
* Send [[User:Drorbn|Dror]] an email message with this information.&lt;br /&gt;
&lt;br /&gt;
The first option is more fun but less private.&lt;br /&gt;
&lt;br /&gt;
===Who We Are...===&lt;br /&gt;
&lt;br /&gt;
{| align=center border=1 cellspacing=0&lt;br /&gt;
|-&lt;br /&gt;
!First name&lt;br /&gt;
!Last name&lt;br /&gt;
!UserID&lt;br /&gt;
!Email&lt;br /&gt;
!In the photo&lt;br /&gt;
!Comments&lt;br /&gt;
&lt;br /&gt;
{{Photo Entry|last=Bar-Natan|first=Dror|userid=Drorbn|email=drorbn@ math. toronto. edu|location=left most person in the front row, red shirt with red and white stripes|comments=Take this entry as a model and leave it first. Otherwise alphabetize by last name. Feel free to leave some fields blank. For better line-breaking, leave a space next to the &amp;quot;@&amp;quot; in email addresses.}}&lt;br /&gt;
{{Photo Entry|last=Jaffe|first=Ethan|userid=Eyjaffe|email=eyjaffe@ gmail.com|location=top row, eight from left, directly below the &amp;quot;RIES&amp;quot; in &amp;quot;Laboratories.&amp;quot;|comments=}}&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;br /&gt;
|}&lt;br /&gt;
&lt;br /&gt;
&amp;lt;!--PLEASE KEEP IN ALPHABETICAL ORDER, BY LAST NAME--&amp;gt;&lt;/div&gt;</summary>
		<author><name>Eyjaffe</name></author>
	</entry>
</feed>