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

Blackboard Shots with Prefix "Reed"


151030-171418: Standard automata.

151023-160334: Monoids with a local multiplication rule.

151008-161118: The canonical form of a non-repeating braid (5).

151008-160243: The canonical form of a non-repeating braid (4).

151008-155630: The canonical form of a non-repeating braid (3).

151008-154924: The canonical form of a non-repeating braid (2).

151008-154111: The canonical form of a non-repeating braid.

150924-162302: The automaton $M$.

150924-161156: The wedge of two permutations.

150924-155722: A condition on a set of pairs of crossings in a permutation (3).

150811-165615: A condition on a set of pairs of crossings in a permutation (2).

150811-164300: A condition on a set of pairs of crossings in a permutation.

150807-165529: A canonical form for positive braids (2).

150807-162326: A canonical form for positive braids.

150805-170422: Properties on non-repeating braids.

150805-165235: When is the product of non-repeating braids non repeating?

150805-162656: Word lengths.

150805-161651: Non-repeating positive braids.

150624-165753: $D_\infty$.

150619-165809: ${\mathbb Z}\times{\mathbb Z}$ is automatic.

150619-161717: $\mathbb Z$ is automatic (2).

150616-142548: Definitions of knots.

150528-164743: The quadratic algorithm (2).

150527-180159: The quadratic algorithm.

150527-175322: ${\mathbf Z}$ is automatic.

150521-150853: Automatic structures on groups (3).

150508-113644: Automatic structures on groups (2).

150508-112543: Automatic structures on groups.