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A Whitehead–Ganea approach for proper Lusternik–Schnirelmann category

  • J. M. GARCÍA–CALCINES (a1), P. R. GARCÍA–DÍAZ (a1) and A. MURILLO MAS (a2)
Abstract

We establish Whitehead and Ganea characterizations for proper LS-category. We use the embedding of the proper category into the exterior category, and construct in the latter a suitable closed model structure of Strøm type. Then, from the axiomatic LS-category arising from the exterior homotopy category we can recover the corresponding proper LS invariants. Some applications are given.

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Mathematical Proceedings of the Cambridge Philosophical Society
  • ISSN: 0305-0041
  • EISSN: 1469-8064
  • URL: /core/journals/mathematical-proceedings-of-the-cambridge-philosophical-society
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