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

Blackboard Shots with Prefix "Dalvit"


160412-160118: Spinning and tubing.

150910-160107: The diamond lemma.

150909-161203: A proof of Kuperberg's theorem (5).

150909-155016: A proof of Kuperberg's theorem (4).

150909-153227: A proof of Kuperberg's theorem (3).

150909-151430: A proof of Kuperberg's theorem (2) - Matveev's diamond lemma.

150909-144817: A proof of Kuperberg's theorem.

150903-113734: Towards a combinatorial Kuperberg theorem (2).

150818-115808: Towards a combinatorial Kuperberg theorem.

150508-142732: $\pi_{12}$ of a decker set.

150318-160056: The "other" Artin representation.

150304-160013: "Compatible" decompositions.

150218-173804: A red-white conjecture?

150208-164443: A data structure for Fiedler calculations.

150204-094953: Reading Kawauchi.

150203-134923: Computing the tree invariant (3).

150127-135237: Computing the tree invariant (2).

150127-132424: Computing the tree invariant.

150119-154811: When is a decker set non-virtual?

150112-160519: When are decker sets realizable?

150105-165820: Virtual decker diagrams.

141217-151239: Arc-pair diagrams.

141217-145942: Circle-pair diagrams (5).

141217-144323: Circle-pair diagrams (4).

141216-161212: Circle-pair diagrams (3).

141216-154926: Circle-pair diagrams (2).

141212-160547: Circle-pair diagrams.

141118-170612: The anomaly according to Cattaneo-Rossi.

141113-145604: Separating the body from the soul.

141023-155317: Proof of R3 for the wheels invariant.

141023-154216: Some boundary terms.

140925-161628: Undecided snakes.

140918-165030: More red-black relations (2).

140911-164321: More red-black relations.

140905-183036: Escape routes and 4T.

140905-180651: Palindromes and Lie words.

140826-175047: A free group problem.

140823-143953: Implementing planar knot theory.

140821-173345: The nilpotent quotients (2).

140818-144849: The nilpotent quotients.

140617-110743: We're still confused about the simplest 2-knot (2).

140617-110606: We're still confused about the simplest 2-knot.

140609-111457: Higher configuration space integrals.

140609-110359: The fundamental group of the complement of the Dalvit knot.

140609-103346: Hopf tangles.

140516-110139: A riddle on rings, braids, tangles, by Oleg Chterental.

140516-105714: Degree 1 / rigid vertices at $\infty$.

140512-115036: Is the "handshake 2-knot" configuration-space knotted?

140509-124257: A non-vanishing contribution.

140509-124256: A vanishing needs an explanation.

140505-115645: We're missing a 4D clasper calculus.

140429-115400: Further questions about configuration space integrals.

140425-124254: Arnold's identity.

140425-122703: $d\eta_3$.

140425-121218: The vanishing of $\eta_2$.

140425-120318: Some weird 1-loop red-black diagrams.

140418-135047: A red-black relation.

140415-181740: The 2-point planar integral.

140414-170858: Signs for even BF.

140412-172632: Crossed modules.

140412-171515: Red and black musings (2).

140412-165151: Red and black musings.

140412-141245: $\omega\colon{\mathcal A}^w\to CW$.

140407-162558: Signs and orientations.

140321-162924: Reversing the orientation of wheels.

140317-181814: Varying the triple point.

140317-151919: Varying Roseman-5.

140317-140243: Another diagram.

140317-095117: The degree 2 $Y$-diagram.

130421-104738: Algebraic knot theory.

130419-100110: Parametrizing the trefoil.

130418-105820: Visualizing wens.

130416-125713: Handle moves on braids.

130416-105437: $W^2=1$.

130416-101943: The Conjecture.

130221-160100: Tubing and spinning.

130131-104918: Second skype meeting.