© | Dror Bar-Natan: Academic Pensieve: Blackboard Shots: Random

Blackboard Shots with Prefix "LazyKnots"

LazyKnots is an honorific for those not lazy, who meet and talk about knots almost daily.


120504-141734: The Foundations of beta Calculus (10).

120504-134542: The Foundations of beta Calculus (9).

120427-161529: The Foundations of beta Calculus (8).

120427-161507: The Foundations of beta Calculus (7).

120427-161447: The Foundations of beta Calculus (6).

120427-160417: The Foundations of beta Calculus (5).

120427-152417: The Foundations of beta Calculus (4).

120427-142301: The Foundations of beta Calculus (3).

120427-142244: The Foundations of beta Calculus (2).

120427-142228: The Foundations of beta Calculus.

110823-180630: The two V equations (2).

110822-184952: The two V equations.

110802-183415: The Othello Puzzle.

110802-175421: The Grothendieck Group.

110727-182004: The Fourier transform of a Gaussian.

110727-170453: The framing anomaly.

110726-191838: STU.

110726-175817: Graphs and orientations.

110725-165649: v-Knots (2).

110725-163137: v-Knots.

110708-163553: Gaussian Integration (4).

110708-160758: Gaussian Integration (3).

110708-155633: Gaussian Integration (2).

110708-154043: Gaussian Integration.

110706-164232: Listening to Costantino.

110629-170700: $10 offered for the Duzhin problem.

110628-183925: Watching Costantino even more and a prize offer by Dror.

110628-181828: Watching Costantino even more.

110628-103454: Reading Asaeda (2).

110627-171520: Reading Asaeda.

110622-173720: Watching Costantino.

110621-183500: Seifert surfaces (3).

110621-181657: Seifert surfaces (2).

110621-180237: Seifert surfaces.

110621-173332: New proof of Kirby Theorem for Knots (6).

110620-173112: New proof of Kirby Theorem for Knots (5).

110620-165810: New proof of Kirby Theorem for Knots (4).

110620-165458: New proof of Kirby Theorem for Knots (3).

110620-163145: New proof of Kirby Theorem for Knots (2).

110620-162505: New proof of Kirby Theorem for Knots.

110616-182723: Mrowka's Pseudo-Diagrams (3).

110616-180214: Mrowka's Pseudo-Diagrams (2).

110616-173121: Mrowka's Pseudo-Diagrams.

110615-172453: BraCobra (3).

110615-165130: BraCobra (2).

110615-163512: BraCobra.

110614-180150: Belavin-Drinfel'd (2).

110614-173441: Belavin-Drinfel'd.

110614-164634: The Cayley Transform.

110608-172147: Listening to Costantino (3).

110608-170705: Listening to Costantino (2).

110608-164212: Listening to Costantino.

110608-162227: The odd Duzhin quotient (2).

110607-171439: The odd Duzhin quotient.

110607-165752: 3-dimensionality (2).

110607-164842: 3-dimensionality.

110607-163104: IHX for Duzhin (2).

110607-162326: IHX for Duzhin.

110607-161754: The Gram Determinant.

110606-173533: Duzhin's strange weight system (3).

110606-170716: Duzhin's strange weight system (2).

110606-163426: Duzhin's strange weight system.

110516-180457: Diagrams to tensors, the bialgebra case (3).

110516-173709: Diagrams to tensors, the bialgebra case (2).

110516-172108: Diagrams to tensors, the bialgebra case.

110511-174940: Twisted circuit algebras.

110511-173344: The problem with quantum mechanics.

110411-185655: Shielded chord diagrams (4).

110411-183117: Shielded chord diagrams (3).

110411-180042: Shielded chord diagrams (2).

110411-173042: Shielded chord diagrams.

110329-171433: The Aw Spaces.

110329-165323: The Au Category.

110328-173708: What's Aw of a genus g surface?

110309-182115: Philosophy and religion.

110307-182344: Levine over Z (2).

110307-180137: Levine over Z.

110301-185226: Links with a fixed linking matrix (2).

110301-183659: Links with a fixed linking matrix.

110301-180211: The Aarhus integral (4).

110301-175035: The Aarhus integral (3).

110301-173233: The Aarhus integral (2).

110301-172001: The Aarhus integral.

110228-183527: Acrobat Towers (2).

110228-181117: Acrobat Towers.

110228-174229: Shielded tangles in very brief.

110223-171743: Quadratic and homomorphically quadratic groups.

110222-182051: Further chasing Severa.

110221-174123: Lyndon words, higher divs.

110215-180443: Random disconnected musings.

110210-175032: tr and tder.

110209-172840: Chasing Severa.

110208-180721: Why do braids inject into tangles?

110202-105443: Homomorphic expansions, yet again (3).

110202-100012: Homomorphic expansions, yet again (2).

110202-093404: Homomorphic expansions, yet again.

110127-171048: More Hutchings approach (5).

110125-175327: The map from u to w, Drinfel'd's lemma, praids.

110124-173859: More Hutchings approach (4).

110124-171814: More Hutchings approach (3).

110124-165755: More Hutchings approach (2).

110124-164343: More Hutchings approach.

110119-175530: Counting colourings (2).

110119-173058: Counting colourings.

100907-180548: The Euler technique.

100907-173702: Two formulas that must be equal.

100902-175212: The knock down map, independence of the coefficients of the Alexander polynomial.

100901-182027: The 2D Lie Algebra and the Burau Representation (2).

100901-174355: The 2D Lie Algebra and the Burau Representation.

100831-181239: The 2D Lie Algebra and the Alexander Polynomial.

100831-171002: Smoothings, cyclic and braid-like moves (3).

100830-174026: Smoothings, cyclic and braid-like moves (2).

100830-173225: Smoothings, cyclic and braid-like moves.

100830-172236: Round and flat.

100826-180017: pA and link relations (2).

100826-172906: pA and link relations.

100824-174542: Plumberial graphs (2).

100824-171606: Plumberial graphs.

100823-182501: Presentations of ribbon 2-knots (3).

100823-180310: Presentations of ribbon 2-knots (2).

100823-171744: Presentations of ribbon 2-knots.

100810-175526: Elimination in Markov processes and the Gassner representation.

100809-180504: I'm frustrated by modules over power series (2).

100809-174210: I'm frustrated by modules over power series.

100809-171554: An invariant out of the 2D non-commutative Lie algebra.

100805-172403: The X module of the XO invariant.

100803-171308: Isolated arrows are central in w-theory.

100412-173311: Karene earns $100.

100406-170808: Fiz and Zif.

100405-173315: Ru, Rv, and j.

100405-133030: Computing j mod CC (2).

100331-170629: Computing j mod CC.

100329-172642: Ae - At/Aacyc.

100322-173439: Quillen's theorem on gr and proj.

100318-155928: Expansions for the free quandle.

100315-173504: Proj Q (2).

100315-172808: Proj Q.

100310-171712: xs and ys.

100310-171148: uw-knots.

100308-172343: uv-knots.

100308-170053: Cleaning forks.

100303-165116: psi psi-inverse games (2).

100303-164106: psi psi-inverse games.

100302-172316: Pw and tder.

100224-170610: Av in degree 1 (2).

100224-165144: Av in degree 1.

100223-170257: The core of the AET argument (2).

100222-171929: Dreams on AKT in the w1 case.

100222-164839: Problems with twists in the v case.

100216-170802: The core of the AET argument.

100215-170848: The core of the E-K argument.

100210-170014: E-K in the w case.

100209-170845: Heads commute with tails.

100203-165847: Forward flow diagrams (provisional name...).

100202-171751: The Euler method.

100126-171251: Classify r/g tangles.

100126-165645: Random.

100125-170332: Are r/g-tangles quadratic?

100119-170151: First LPU.

100118-162923: The cyclic R2 case.

100113-170538: Syzygies among 6Ts (2).

100113-164903: Syzygies among 6Ts.

100112-171048: Sorting descending arrow diagrams.

100111-172823: Homomorphic expansions for f-tangles.