Euler characteristic of a topological space X
Euler characteristic of a topological space X
[′ȯi·lər ‚kar·ik·tə′ris·tik əv ə ‚täp·ə¦läj·i·kəl ¦spās ′eks] (mathematics)
The number χ(X) = Σ(-1) q βq , where βq is the q th Betti number of X.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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