© | Dror Bar-Natan: Academic Pensieve: Blackboard Shots: VanDerVeen:
170620-150826: Reordering with ODEs.
Random
newer
older
up

cycle text mode
VanDerVeen-{ hide text
  240614-074935: A $\theta$ with 6-fold symmetry.
  240522-093029: Possible extra $sl_3$ contributions.
  240506-102835: Integration is nilpotent!
  240501-124819: Integration: The proper input format (3).
  240501-124818: Integration: The proper input format (2).
  240501-124817: Integration: The proper input format.
  240216-162057: More on bottom tangles and braided Hopf algebras (3).
  240216-100055: More on bottom tangles and braided Hopf algebras (2).
  240212-185211: More on bottom tangles and braided Hopf algebras.
  240212-141009: KaL talk on Burau, Bottom Tangles, and Braided Hopf Algebras (5).
  240212-132826: KaL talk on Burau, Bottom Tangles, and Braided Hopf Algebras (4).
  240212-131639: KaL talk on Burau, Bottom Tangles, and Braided Hopf Algebras (3).
  240212-130828: KaL talk on Burau, Bottom Tangles, and Braided Hopf Algebras (2).
  240212-124747: KaL talk on Burau, Bottom Tangles, and Braided Hopf Algebras.
  231219-105334: Palindromicity in Gaussian language.
  231211-111851: Bridges and tunnels and Alexander numbering.
  231211-080441: The $T\to T^{-1}$ sequence.
  231206-093134: Elementary ideals.
  230711-040216: Twisted doubles (2).
  230211-100908: Twisted doubles.
  230206-092653: Reidemeister torsion (2).
  230203-072344: Reidemeister torsion.
  221212-165324: Fiedler invariants.
  220808-163148: Band Aid marathon.
  210608-103235: Getting rid of $\hbar$.
  200719-213611: $t$ and $w$ generate the centre.
  200717-173256: Abbasi's argument.
  200710-180818: Traces.
  200703-175526: Zipping quadratics and pairing exterior powers.
  200630-181026: Co-invariants, partial traces.
  200626-180156: Mixed-direction homomorphisms.
  200621-180015: Heisenberg calculus (2).
  200621-180014: Heisenberg calculus.
  200618-180337: Spinner challenge.
  200618-175701: Composition for O/U tangles.
  200612-182124: Hopf quandles?
  200609-175618: Proof of connectivity.
  200523-193429: Z is central.
  200508-183718: Diamonds (2).
  200508-183717: Diamonds.
  200506-181422: Divisibility and overhangs.
  200421-180229: The Diamond Lemma.
  200417-180125: Riemann mappings and mapping-classs-vector-fields.
  200414-182305: Aiming to separate vOU tangles with quantum invariants.
  200411-180721: Virtual surgeries.
  200408-181534: Random
  200405-185919: The injectivity of PvB->OU, following Chterental (3).
  200405-185918: The injectivity of PvB->OU, following Chterental (2).
  200405-185917: The injectivity of PvB->OU, following Chterental.
  200330-192515: Associators and 6j symbols.
  200330-192432: Universal $sl_2$ projectors.
  200330-192229: OU tangles and braids.
  200327-194535: Connected diagrams, 1PI.
  200327-194405: The Sweedler Algebra.
  200319-194117: UOFix.nb conventions.
  200312-190540: Misc.
  200303-175834: Smallness.
  200206-092914: $DPG_n$.
  200205-091751: Affine Lie algebras.
  200205-075527: R2b, R2c, and (left-)(right-)(full-) Hopf algebras.
  200128-105755: Towards a Seifert formula.
  200122-081653: The automorphism group of $gl_{n+}^\epsilon$.
  200116-163137: A representation of $sl_{2+}^\epsilon$.
  200116-163136: The cyclic structure of $gl_{n+}^\epsilon$.
  200115-110130: The general form of a Seifert formula.
  200113-045334: The $\infty D$ DD theorem (2).
  200110-120232: The $\infty D$ DD theorem.
  200110-045836: Switching to the $t,w$ basis (3).
  200107-103840: Switching to the $t,w$ basis (2).
  200106-084931: Switching to the $t,w$ basis.
  200103-113302: Proving the Seifert formula (2).
  200103-113301: Proving the Seifert formula.
  200102-100944: The BandSnatcher (3).
  200102-100943: The BandSnatcher (2).
  200102-100942: The BandSnatcher.
  200102-100941: The Seifert Formula.
  200102-100940: We don't understand Gaussian elimination.
  191211-102115: 998001
  191206-104422: Random.
  191127-112136: $\epsilon$-representation theory.
  191114-113819: Av+.
  191113-110251: 3D weight systems, OC^2.
  191023-180529: $sl_{2+}$ and $sl_2$ (2).
  191017-180842: $sl_{2+}$ and $sl_2$.
  191010-091901: Analytic Hom.
  191003-084924: LaTeX
  190925-183624: Complexity estimate.
  190920-001154: Finding square roots.
  190902-185102: Perturbative $PR^4$ (2).
  190902-185101: Perturbative $PR^4$.
  190826-132610: Biactions.
  190812-104755: Topology of power series (3).
  190808-122937: Topology of power series (2).
  190808-113202: Topology of power series.
  190627-101720: Montreal plans.
  190617-112542: Zipping.
  190612-114558: Preservation of Group-likeness.
  190523-123359: $\mathcal D$
  190515-154627: The band-twist (2).
  190509-101709: The band-twist.
  190502-110051: A better DoPeGDO.
  190418-100648: Generating trees.
  190411-095956: Symmetric strict spherical categories with a singly-generated set of objects.
  190404-111008: The hm braided Hopf object.
  190328-140159: Random.
  190324-130215: Bracelets.
  190324-123311: Sleeves and rec-tangles.
  190314-105721: Denominators.
  190308-101116: Binding and zipping.
  190308-095452: Exponential zipping.
  190228-094004: Proving zipping (2).
  190228-085544: Proving zipping.
  190208-101410: Proving translation invariance.
  190105-102919: Seifert surfaces of tangles (2).
  190104-105138: Seifert surfaces of tangles.
  190104-105137: Constraints from diagrams.
  190104-105136: Vertices and $\theta$.
  190103-115459: Cartan involutions (3).
  190103-115458: Cartan involutions (2).
  190103-030708: Cartan involutions.
  181231-101929: Sketch of a paper.
  181231-101928: Denominators in basic linear algebra.
  181231-101927: Rec-tangles (2).
  181231-101926: Rec-tangles.
  181026-100143: The double forever.
  181012-095954: Kinks (2).
  181012-094332: Kinks.
  181005-100959: "Never walk alone".
  180921-100133: Locally Euclidean Knotted Objects.
  180901-170328: The quantized substitution differential.
  180901-104431: Proving GDO identities using U.
  180831-181528: Obtaining the trace degree by degree (2).
  180831-155026: Obtaining the trace degree by degree.
  180831-104019: How to order the construction.
  180830-165215: A trace.
  180829-113432: The double construction in infinite cases (3).
  180829-103313: The double construction in infinite cases (2).
  180829-095112: The double construction in infinite cases.
  180828-170338: A tentative plan.
  180827-113223: Variations on RRRR.
  180826-171210: RRRR and FOIL.
  180826-141644: The change of variables formula.
  180826-120638: The circuit algebra of linear circuits.
  180825-184202: The core category.
  180822-104015: Co-invariants.
  180810-101252: Hopf algebra objects.
  180810-094448: Upright tangloids (2).
  180810-091630: Upright tangloids.
  180726-110931: The existence of the exponential function.
  180722-150716: Zipping and integration.
  180710-111004: Bilocal algebra.
  180710-105727: Meta pairs of paired Hopf algebras.
  180702-104428: det and adj.
  180627-104652: A category of ${\mathbb E}$'s?
  180621-103812: Random.
  180601-102513: Zipping and denominators.
  180528-102523: Three (significant) random issues.
  180528-093723: Two views of triangularity.
  180523-103428: Zip and Lip.
  180523-100708: The Seifert formula.
  180518-100711: The $\Delta$ logos, Majid's braided line and virtuals.
  180516-094417: The 1-variable zip algebra.
  180516-094416: Unwater dancing.
  180510-085631: Learning from experience.
  180427-123333: Doubling computations (3).
  180427-122352: Doubling computations (2).
  180427-122240: Doubling computations.
  180427-120822: The doubling procedure.
  180427-120007: "Undoubled" formulas.
  180427-114506: Zip, Bind, and Double.
  180420-121740: Matemale planning.
  180419-150725: Today's to do list.
  180419-150724: The spinner relations.
  180418-111501: Some calculations.
  180417-100734: GDO examples.
  180415-120451: More on $y\to x^{-1}$ (4).
  180415-120450: More on $y\to x^{-1}$ (3).
  180415-120449: More on $y\to x^{-1}$ (2).
  180415-120448: More on $y\to x^{-1}$.
  180414-144005: The canonical form with $y\to x^{-1}$.
  180411-115528: GDO stories (2).
  180411-112521: GDO stories.
  180402-104238: Replacing $y$ by $x^{-1}$.
  180318-102946: Regrets.
  180227-104921: Majid's $W$ (3).
  180227-102859: Majid's $W$ (2).
  180227-100033: Majid's $W$.
  180223-105213: The linear Logos (2).
  180215-100005: The linear Logos.
  180213-114746: Docile-Gaussian.
  180130-102650: Integration in the group-ring case.
  180124-104401: Heegaard diagrams and Hopf words, $V_2$ using meta-monoids.
  180115-095038: The plans with Dylan.
  180110-100145: From CS to Au.
  180108-100436: Twisting, co-multiplying, spinning.
  171219-101626: Action and pairing.
  171213-104420: The sl(N) weight system.
  171206-100026: Inner products as double integrals.
  171111-105056: gcs-rvt (2).
  171111-100942: gcs-rvt.
  171107-100120: The differential of the exponential.
  171101-094400: Dequantization.
  171026-095012: Difference-differential equations.
  171017-100143: Pushforwards and the Laplace transform.
  171011-100349: Failing with representation theory.
  171004-093727: Pushforwards and Gaussian pairing (2).
  171004-092638: Pushforwards and Gaussian pairing.
  171004-091156: What the world should look like.
  171004-084508: Non-injectivity and the antipode.
  170927-100119: ${\mathcal U}_\hbar$ and gr ${\mathcal U}_\hbar$.
  170927-094859: Ribbons.
  170927-093707: Contracting instead of approximating by solvable.
  170920-094603: OU and QUEA.
  170912-095252: Drinfel'd-Kohno and Cartan (2).
  170912-091507: Drinfel'd-Kohno and Cartan.
  170822-072232: Trading non-commutativity to non-linearity.
  170818-040005: Cartan invariance in the q-case.
  170802-092154: Pushforward of distributions.
  170721-095009: Random.
  170719-094015: Quantizing at $\beta=0$.
  170712-102044: $a\Delta$.
  170710-101106: Solvable-split-nilpotent? (2)
  170710-092953: Solvable-split-nilpotent?
  170630-100213: Deformning hurded yax.
  170630-093048: Hurding yax.
  170629-161651: Alexander multi-stitching.
  170627-144409: Alternative notations.
  170623-145854: The Gaussian pairing principle (2).
  170623-143123: The Gaussian pairing principle.
  170623-135025: Reordering with ODEs (9).
  170622-155815: The Drinfel'd element (6).
  170622-152133: The Drinfel'd element (5).
  170622-142424: The Drinfel'd element (4).
  170622-113622: The Drinfel'd element (3).
  170622-104449: Deforming Weyl algebras.
  170622-095607: Bootstrapping F.
  170622-085601: Reordering with ODEs (8).
  170621-190120: Reordering with ODEs (7).
  170621-184847: Reordering with ODEs (6).
  170620-212242: Reordering with ODEs (5).
  170620-183130: Reordering with ODEs (4).
  170620-170855: Reordering with ODEs (3).
  170620-163408: Reordering with ODEs (2).
  170620-150826: Reordering with ODEs.
  170620-115703: Water dancing (3).
  170620-112342: Water dancing (2).
  170620-104750: Water dancing.
  170620-095053: Deriving Weyl.
  170620-092320: Reordering exponentials.
  170619-112439: Benkart-Witherspoon 2-parameter quantum groups (2).
  170616-115856: Benkart-Witherspoon 2-parameter quantum groups.
  170616-094846: Which way do we go?
  170615-114316: Deformed Weyl algebras.
  170615-110157: The antipode of exponentials (3).
  170615-101642: The antipode of exponentials (2).
  170614-153454: The antipode of exponentials.
  170614-132002: The co-product of exponentials (3).
  170614-112438: The co-product of exponentials (2).
  170614-103510: The co-product of exponentials.
  170613-184515: The Drinfel'd element (2).
  170613-154100: The Drinfel'd element.
  170613-141539: Which way the wake goes?
  170612-173359: Quasi-triangularity.
  170612-155902: Random.
  170605-112555: Heisenberg and pairings.
  170605-104935: $SL_q(2)$.
  170529-164209: An Alexander stitching formula.
  170508-110834: Nilpotent approximation.
  170504-153033: Quesne's formula.
  170424-105704: Meta-dual-pairs.
  170419-113409: Symmetrized vs. ordered.
  170412-100244: The Drinfeld Double.
  170405-101118: OU tangles (2).
  170405-093020: OU tangles.
  170330-111349: Gaussian pairing.
  170330-103057: The Drinfel'd double.
  170323-112534: Gaussian gluing (2).
  170323-104147: Gaussian gluing.
  170316-105750: q-exponentials.
  170311-171354: Unitarity.
  170311-165240: The problem with quantum groups.
  170311-162538: Random
  170306-112116: Re-ordering in sl(2).
  170302-105430: Higher degrees arise in higher algebras (3).
  170302-103723: Higher degrees arise in higher algebras (2).
  170302-102242: Higher degrees arise in higher algebras.
  170223-113814: How determinants arise.
  170223-111527: More general gluings of quadratics.
  170223-105738: Ado for ${\mathfrak g}_1$.
  170221-113909: The internal kernel for ${\mathcal A}^w$
  170221-111258: Other solvable algebras.
  170221-110142: The expected gln theorem.
  170221-104720: Avoiding v-tangles.
  170213-132632: Yoshikawa presentations.
  170213-105017: Gaussian pairing (3).
  170213-103908: Gaussian pairing (2).
  170213-102559: Gaussian pairing.
  170204-165508: The Cartan criterion.
  170116-112638: Misc.
  170109-111348: Realizations within Heisenberg algebras (2).
  170109-110047: Realizations within Heisenberg algebras.
  170109-104407: Divided differences.
  161227-105906: What to expect at higher loops.
  161213-161644: Kw at fixed linking.
  161213-154512: Pairings in Au and Aw.
  161124-121231: $q\Delta$ in ${\mathcal A}^w$.
  161118-095033: $R^u$ and $R^w$, R2 and $S$.
  161116-102639: $q\Delta$.
  161116-100008: RVT (2).
  161116-094447: RVT.
  161109-171217: Working on the genus bound (2).
  161109-095539: Working on the genus bound.
  161102-113040: Seifert formulas (2).
  161026-112111: Seifert formulas.
  161013-133246: Rozansky's approach.
  161006-111205: Alexander half densities.
  160929-110658: The c-pattern.
  160922-105559: Rotational Virtual Knots.
  160915-110534: $\theta$ and unitarity.
  160915-105134: Planar gluings.
  160906-114130: $R$ or $V$? (2)
  160906-111645: $R$ or $V$?
  160812-110655: The $ax+b$ exponential.
  160812-103541: The caup equations (2).
  160812-102917: The caup equations.
  160807-193013: w stuff.
  160807-180545: The slide-under relation.
  160807-171850: Mwu and Muw (3).
  160807-163104: Mwu and Muw (2).
  160807-162317: Mwu and Muw.
  160806-154238: cuw cuw.
  160805-145346: Logos
  160805-113949: The key 1-co computation (3).
  160804-152407: The key 1-co computation (2).
  160804-111732: The key 1-co computation.
  160804-100419: Differentiations.
  160803-155603: Stitching (2).
  160803-153000: Stitching.
  160803-151020: The hard core $uw$ relation.
  160803-134626: Some $c$ commutation relations.
  160803-101237: An example of ${\mathbb E}$ in 1-co.
  160802-183928: Implementation notes for 0-co in BPQ formalism.
  160802-102109: Quantum double formulas.
  160802-084942: Tuesday to do.
  160801-095228: Hopf-calculus.
  160731-180741: The $sm_q sl(2)$ invariant (2).
  160731-121550: The $sm_q sl(2)$ invariant.
  160731-113245: Quantum $sl_2$ (2).
  160731-102318: Quantum $sl_2$.
  160731-093843: The lagrangian formalism.
  160730-181301: Proving commutation relations (2).
  160730-175309: Proving commutation relations.
  160730-162920: The quantum double (3).
  160730-160854: The quantum double (2).
  160730-152435: The quantum double.
  160730-144644: Manipulating lagrangians (2).
  160730-142321: Manipulating lagrangians.
  160724-145736: Virtual caps and cups.
  160714-111823: Random.
  160630-112645: Links and co-invariants.
  160630-110708: Polarization.
  160630-104629: Scapegoating and KBH.
  160622-115312: Random (2).
  160615-105212: Random.
  160610-103623: Doubling.
  160603-114346: Turbo-Gassner (5).
  160603-111519: Turbo-Gassner (4).
  160603-110854: Turbo-Gassner (3).
  160603-105446: Turbo-Gassner (2).
  160603-101741: Turbo-Gassner.
  160527-105408: Process diagrams and stitching for 0-co.
  160527-104130: Yang-Baxter algebras and doubles of Lie bialgebras.
  160520-095432: $J$ and $\Delta_q$.
  160513-100130: Renormalizing ${\mathcal U}({\mathfrak g})$.
  160513-095744: The polynomiality of $R$.
  160513-094046: The double of the Borel.
  160505-125742: Random.
  160421-104129: Some representation theory.
  160421-100738: Towards proving Jacobi from meta-Jacobi.
  160414-102520: Minimal scattering.
  160414-094440: Random stuff.
  160408-103633: Attempts to prove Jacobi for the Lie algebra of a meta-Lie algebra.
  160401-100337: Gauss-Gassner-Alexander (2).
  160401-094300: Gauss-Gassner-Alexander.
  160318-095746: $\Box$ and direct sums of Lie algebras.
  160304-100231: Identities in meta-Lie algebras (2).
  160219-112418: Identities in meta-Lie algebras.
  160219-105741: Gauss-Gassner formulas (2).
  160219-103323: Gauss-Gassner formulas.
  160203-090206: Meta Lie algebras (2).
  160203-083348: Meta Lie algebras.
  160127-090342: Deriving the stitching formula for the scalar part.
  160127-082827: Deriving the stitching formula for scattering.
  160121-085907: Unitarity in ${\mathcal A}^u$.
  160121-083531: The meta-cocycle.
  160114-085907: Backie issues.
  160107-085034: U, UU, and MM.
  160107-085033: The 1-co relations.
  160106-113352: Annular braids.
  160106-084900: Scatter and glow (3).
  160106-084859: Scatter and glow (2).
  160106-084857: Scatter and glow.
  160106-084855: Associators and 6j (2).
  160106-084854: Associators and 6j.
  160106-030015: Virtual spines (2).
  160106-030011: Virtual spines.
  160106-030004: Unitarity.
  160104-155317: One-Co stories, day 1 (7).
  160104-155316: One-Co stories, day 1 (6).
  160104-155315: One-Co stories, day 1 (5).
  160104-155314: One-Co stories, day 1 (4).
  160104-155313: One-Co stories, day 1 (3).
  160104-155312: One-Co stories, day 1 (2).
  160104-155311: One-Co stories, day 1.
  111109-165720: Spin Networks (5).
  111109-155558: Spin Networks (4).
  111109-153600: Spin Networks (3).
  111109-153017: Spin Networks (2).
  111109-152332: Spin Networks.
}
Notes for BBS/VanDerVeen-170620-150826.jpg:    [edit]