printable pdf
比利时vs摩洛哥足彩
,
比利时vs摩洛哥足彩
,
university of california san diego
****************************
math 292 - topology
taehee kim
univ. of bloomington
new obstructions to doubly slicing knots
abstract:
a knot is doubly slice if it is the intersection of a three sphere with a trivially embedded two sphere in a four sphere. the resulting knot splits the two sphere into two distinct slicing disks for the knot. thus, the term \"doubly slice\"".
host: p. teichner
june 6, 2003
4:00 pm
ap&m 7218
****************************
