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Ricardo Andrade

All my questions, answers, and comments on mathoverflow.net are hereby released under the Creative Commons Public Domain Dedication. Please use them freely.

As a matter of courtesy and accuracy, I would request that you make an effort to acknowledge the origin and the authors of any works you use.

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40 Converse of Poincaré-Hopf theorem Jul 21 '13
38 Homotopy type of TOP(4)/PL(4) Sep 12 '12
33 Strong Whitney embedding theorem for non-compact manifolds May 24 '13
30 Is the space of diffeomorphisms homotopy equivalent to a CW-complex? Apr 8 '13
24 How many distinct homeomorphism classes of lens spaces are there with a fixed p? Feb 6 '14
22 Example of fiber bundle that is not a fibration Apr 2 '13
21 Is the counit of geometric realization a Serre fibration? Jun 25 '13
20 isotopy inverse embeddings vs. diffeomorphisms Jun 24 '12
18 Cancellation law for $M^n\times \mathbb R= N^n\times \mathbb R$. Mar 30 '13
17 Manifolds with homeomorphic interiors Mar 30 '13
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