the mathematical subject of group theory, the Grushko theorem or the Grushko–Neumann theorem is a theorem stating that the rank (that is, the smallest...

Frucht's theorem (graph theory) Great orthogonality theorem (group theory) Gromov's theorem on groups of polynomial growth (geometric group theory) Grushko theorem...

Kazakhstani volleyball player Grushko is a 1994's BBC three part drama series starring Brian Cox and Stephen McGann Grushko theorem in mathematics This page...

covering spaces above. It allows more powerful results, for example on Grushko's theorem, and a normal form for the fundamental groupoid of a graph of groups...

announced independently by Joel Friedman. According to the classic Grushko theorem, rank behaves additively with respect to taking free products, that...

uses Grushko theorem about the rank of a free product. In this setting, as noted in the original Muller and Schupp paper, the Muller–Schupp theorem says...

of groupoids in group theory, for example to a generalisation of Grushko's theorem, and in topology, e.g. fundamental groupoid. Mackenzie, K. C. H.,...

fundamental groups is available, whose proof relies on the Grushko decomposition theorem. see Gromov (1983) Filling area conjecture Gromov's inequality...

of groupoids in group theory, for example to a generalisation of Grushko's theorem, and in topology, e.g. fundamental groupoid. Weinstein, Alan, "Groupoids:...

groups are Whitehead automorphisms. Together with the automorphisms of the Grushko factors, they form a generating set of the automorphism group of any finitely...