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A universal topological transformation group inL2(G × G)

✍ Scribed by J. De Vries

Publisher
Springer
Year
1975
Tongue
English
Weight
346 KB
Volume
9
Category
Article
ISSN
1433-0490

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📜 SIMILAR VOLUMES

Problem 144.: Is the following conjectur
Problem 144.: Is the following conjecture true? Conjecture: If G is a simple group, then γ(Z2×G)=σ(Z2×G).
📂 Article 📅 1991 🏛 Elsevier Science 🌐 English ⚖ 50 KB

Problem 142. The symmetric genus of a group G is the minimum genus of a surface on which G acts. Let A, denote the alternating group of degree n, y(G) denote the genus of the group G, and a(G) the symmetric genus of G. Is the following conjecture true? Conjecture: For at least one n, y(A,l) c a(A,,)

G-groupoids, crossed modules and the fun
G-groupoids, crossed modules and the fundamental groupoid of a topological group
✍ Ronald Brown; Christopher B Spencer 📂 Article 📅 1976 🏛 Elsevier Science ⚖ 427 KB

INTRODUUTION By a 8-groupoid is meant a group object in the category of groupoids. By a crossed m&.&. (A, B, b) is meant a pair A, B of groups together with an operation of the group B on the group A, and a morphism b: A + B of groups, satisfying: (i) b(a\*