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

Blackboard Shots with Prefix "Afeke"


180926-172206: Topological manifolds.

180919-180404: $SL(n)$ is a manifold.

180919-172936: Two patches for $S^1$.

180912-193411: A non-Hausdorff near-manifold (2).

180912-185856: A non-Hausdorff near-manifold.

180904-180351: The Seifert matrix (5).

180904-171431: The Seifert matrix (4).

180828-174029: The Seifert matrix (3).

180828-172554: The Seifert matrix (2).

180820-183658: The Seifert matrix.

180815-193444: The Seifert algorithm.

180807-164117: Surfaces and caravans.

180731-165422: A proof of R3?

180712-163148: Figuring our equivalence classes.

180704-182703: Back to Alexander.

180704-175450: Dehn and Wirtinger.

180625-173523: Finding the faces.

180619-170744: The Dehn presentation.

180619-164925: The Alexander module.

180619-163122: From edges to faces.

180613-170456: Invariance of Alexander's Alexander (2).

180613-164244: Invariance of Alexander's Alexander.

180613-163316: Implementing Alexander's Alexander.

180613-161721: Face-virtual knots.

180528-172914: Alexander's Alexander polynomial (2).

180528-172005: Alexander's Alexander polynomial.

171109-165132: Finitely generated Abelian groups and Gaussian elimination.

171030-165027: Distributing cows (4).

171017-181218: From triangulations to trees.

171010-184222: Tilings.

171004-173750: Distributing cows (3).

171004-171718: Distributing cows (2).

170929-171750: Cutting the plane by straight lines.

170929-164520: Distributing cows.

170925-180255: Sylow (3).

170925-175119: Sylow (2).

170922-180430: Sylow.