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Gottlieb et al., 1964 - Google Patents

Contractibility of certain semigroups

Gottlieb et al., 1964

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Document ID
10881447066209063988
Author
Gottlieb D
Rothman N
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1. It has long been known that a compact, connected, triangulable topological group, G, must have its Euler-Poincaré number v (G)—0. The analogous result is not true if G is replaced by 5, a topological semigroup with identity.(Witness the unit interval under multiplication.) …
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