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

Blackboard Shots with Prefix "Morton-Ferguson"


170725-165715: Essential surfaces in the solid torus (3).

170725-162514: Essential surfaces in the solid torus (2).

170718-175105: Essential surfaces in the solid torus.

170718-171225: $\partial$-incompressible.

170712-162906: Bounding the homology of CW complexes.

170710-182154: Bounding the complexity.

170630-160150: Seifert fibered manifolds.

170630-153404: Existence of toroidal decompositions.

170630-151844: Atoroidal manifolds.

170627-154245: Incompresibility in $M$ iff in $M|S$.

170627-153233: $M$ irreducible iff $M|S$ is.

170627-150809: $T^2$ is prime.

170622-165207: Compressible tori.

170622-164118: There are no incompressible surfaces in $R^3$.

170622-163423: A null-homotopic simple curve on a surface bounds a disk.

170620-175927: Incompressible surfaces.

170602-144332: Existence of prime decompositions (4).

170602-143126: Surfaces.

170601-145959: Existence of prime decompositions (3).

170529-155938: Existence of prime decompositions (2).

170529-154641: Existence of prime decompositions.

170217-160854: Towards a proof of Alexander's theorem (2).

170207-183602: Towards a proof of Alexander's theorem.