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arxiv: math/0111181 · v1 · submitted 2001-11-15 · 🧮 math.AT

Detecting Elements and Lusternik--Schnirelmann Category of 3-Manifolds

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keywords manifoldscategorydetectingelementscalculationclosedconjecturedescribe
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In this paper, we give a new simplified calculation of the Lusternik-Schnirelmann category of closed 3-manifolds. We also describe when 3-manifolds have detecting elements and prove that 3-manifolds satisfy the equality of the Ganea conjecture.

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