Jakob Nielsen: 1932-1955Birkhaüser, 1986 - Group theory |
Contents
Om regulære | 1 |
N23 On the Structure of a Vector Module with Finite Basis with Application | 13 |
N24 Einige Sätze über topologische Flächenabbildungen Acta Litt Scient Szeged 7 | 29 |
Copyright | |
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a₁ Abbildung Abbildungen Abbildungsklassen abelian Achse algebraic amphidrome arbitrary axes axis b₁ belongs boundary curves boundary sides bounded branch points characteristic polynomial class of finite closed geodesic closed surface commutator congruence classes conjugacy classes conjugate contains corresponding coset crosscut cyclic defined denote displacement length element of F endlich equation equivalence class F-group factor finite number finite order fixed point fixed point free Flächen follows free group fundamental group fundamental points genus gibt group F hence homeomorphism homology base homotopy identity infinite isomorphic JAKOB NIELSEN kernel L. E. J. BROUWER mapping class Math matrix mod F mod T simple modular surface modulo modulo q multiple Nielsen theory non-Euclidean normal subgroup obtains orientation periodic mapping periodic transformation points of G polygon principal region proof Punkte quotient group relations rotation S₁ segment t₁ theorem topological mapping transformation class V₁