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

Blackboard Shots with Prefix "Gaudreau"


200713-171423: uB injects into vB.

200519-150133: Bracelets.

200519-145927: $F=G^2$.

200515-145722: Reading Ito-Sakurai arXiv:2004.14785.

200506-145051: All cut systems are equivalent (2).

200506-144914: All cut systems are equivalent.

200425-111054: Kamada's construction (3).

200404-172259: Kamada's construction (2).

200404-172258: Kamada's construction.

200304-165010: An issue with braid parities.

200225-125253: Supervisory meeting.

200216-120117: Slits and slides.

191211-143152: Slide moves.

191126-165410: Realizing moves on GD as moves on links on surfaces (5).

191126-163120: Realizing moves on GD as moves on links on surfaces (4).

191119-160742: Realizing moves on GD as moves on links on surfaces (3).

191119-153758: Realizing moves on GD as moves on links on surfaces (2).

191119-152228: Realizing moves on GD as moves on links on surfaces.

191027-183452: A lemma.

191020-184410: The Diamond Lemma.

191014-163736: LaTeX issues.

190816-121329: Parities and projections (5).

190814-123843: Parities and projections (4).

190812-123040: Parities and projections (3).

190812-120940: Parities and projections (2).

190812-114945: Parities and projections.

190809-114824: Nested intersections (6).

190801-120050: Nested intersections (5).

190801-114749: Nested intersections (4).

190722-162854: Nested intersections (3).

190718-164947: Nested intersections (2).

190717-162618: Nested intersections.

190708-170812: LOC groups.

190708-170018: Waldhausen.

190621-154930: Coned surfaces.

190617-152503: u embeds in v, for tangles.

190604-135327: Virtual tangles.

190513-145032: Kuperberg's use of diamond (4).

190510-143923: Kuperberg's use of diamond (3).

190510-141839: "Bounds a ball".

190508-152406: Kuperberg's use of diamond (2).

190508-150251: Kuperberg's use of diamond.

190507-140337: Kuperberg's theorem (5).

190506-163541: Kuperberg's theorem (4).

190506-161742: Kuperberg's theorem (3).

190506-155113: Kuperberg's theorem (2).

190405-150315: Kuperberg's theorem.

190212-174140: A local Seifert algorithm?

181218-165117: AC v-braids are classical.

181130-181151: Nikonov's theorem on parities and subgroups (2).

181123-172702: Nikonov's theorem on parities and subgroups.

181116-181857: Virtual tangle diagrams and pegs.

181026-151715: u injects to v (4).

180917-193209: u injects to v (3).

180912-135117: u injects to v (2).

180910-173153: u injects to v.

180910-170528: A riddle on parties.

180827-180736: AC and Seifert.

180820-171729: The Turaev genus.

180530-180559: Seifert knots and almost classical knots.

180411-074705: Finite type invariants of virtual knots.

180403-163925: Turaev, Heinrich, Petit.

180301-164039: Are AC knots flat trivial?

180215-170143: AC knots some more (4).

180207-180210: AC knots some more (3).

180207-173122: AC knots some more (2).

180207-171516: AC knots some more.

180125-191447: The basics of finite type invariants (2).

180125-183928: The basics of finite type invariants.

180117-182600: AC links (2).

180117-173725: AC links.

180109-172919: V-type and G-type.

171218-163454: The Carter algorithm.

171106-175116: Concordance for welded string links (4).

171106-172644: Concordance for welded string links (3).

171101-182012: Concordance for welded string links (2).

171101-175049: Concordance for welded string links.

171003-164430: Chord diagrams and singular knots.

170926-170248: Knotoids (4).

170920-173031: Knotoids (3).

170920-171029: Knotoids (2).

170920-165128: Knotoids.

170920-164528: OU questions.

170920-161628: Genus $g$ knots.

170914-171639: Concordance for w-knots (3).

170914-164030: Concordance for w-knots (2).

170911-171124: Concordance for w-knots.

161115-151838: Ribbon knots as rackets and bands (10).

161115-151447: Ribbon knots as rackets and bands (9).

161115-150801: Ribbon knots as rackets and bands (8).

161115-145736: Ribbon knots as rackets and bands (7).

161115-143406: Ribbon knots as rackets and bands (6).

161115-143319: Ribbon knots as rackets and bands (5).

161115-143245: Ribbon knots as rackets and bands (4).

161115-143202: Ribbon knots as rackets and bands (3).

161115-143028: Ribbon knots as rackets and bands (2).

161115-142353: Ribbon knots as rackets and bands.

140910-125930: Funny things about v-knots.

140910-124726: Parities.