17 citations · 31 across the 2 of their papers we have counts for
3 papers
cs.CG2013★ 14 cited
Extendability of continuous maps is undecidable
Martin Cadek, Marek Krcal, Jiri Matousek +2
We consider two basic problems of algebraic topology, the extension problem and the computation of higher homotopy groups, from the point of view of computability and computational…
math.AT2007★ 17 cited
Obstruction theory on 8-manifolds
Martin Cadek, Michael Crabb, Jiri Vanzura
This note gives a uniform, self-contained, and fairly direct approach to a variety of obstruction-theoretic problems on 8-manifolds. We give necessary and sufficient cohomological…
math.KT2005
G-structures on spheres
Martin Cadek, Michael Crabb
A generalization of classical theorems on the existence of sections of real, complex and quaternionic Stiefel manifolds is proved.