ineff

Earth

poisson.phc.unipi.it/~mossa

Age: 25

I'm math student, in particular I'm interested in algebra, geometry, topology and category theory (especially higher dimensional category theory) and its application in mathematics.

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What is combinatorics?

combinatorics reference-request soft-question definition asked Oct 18 '11 at 15:03

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7 votes

What is combinatorial homotopy theory?

reference-request algebraic-topology soft-question homotopy-theory simplicial-stuff asked Dec 29 '11 at 18:39

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7 votes

Homotopic maps which aren't relative homotopic

algebraic-topology homotopy-theory asked Sep 22 '12 at 16:17

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Top Answers

What are some examples of a mathematical result being counterintuitive?

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Philosophy or meaning of adjoint functors

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All polynomials in $\Bbb R$ can be factored as a product of polynomials over $\Bbb R$ with degree one or two.

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The fibres of a map form a partition of the domain.

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How to Prove a Programming Language is Turing Complete?

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What can we say about the map $G\mapsto \text{Aut}(G)$ on the proper class of all groups?

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Why are groups more important than semigroups?

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Van Kampen theorem to prove all spheres have fundamental group 0.

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On infinite groups that is not Simple

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