42

Answers
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6
Algebraic K-theory with commutative semirings?
16
Homotopy theory of topological stacks/orbifolds
1
Dual of idempotent semirings
4
Elements of finite order in mapping class groups of high dimensional manifolds
2
Failures that lead eventually to new mathematics
7
Chain complexes of vector bundles
2
What can we learn from the tropicalization of an algebraic variety?
7
Why are operads useful?
3
Heuristic behind $A_{\infty}$ - algebras
9
Why does (Ribbon) Graph (co)Homology Compute (co)Homology of MCG?
3
Natural examples of finite dimensional spaces with interesting 2-type
6
Why does the group act on the right on the principal bundle?
9
Are there graph models for other moduli spaces?
8
Is a map a homotopy equivalence if its suspension is so?
3
Spectral sequences: opening the black box slowly with an example
14
Compelling evidence that two basepoints are better than one
6
$A_{\infty}$ structure of (co)homology of a space
1
Homology of bundles over a triangulated base and $A_\infty$-algebras
19
What are natural questions to ask about an operad?
6
What is a principal refinement of a Postnikov system?
4
Computation of homology groups of $M_{g,n}$
2
What is the precise relationship between groupoid language and noncommutative algebra language?
4
Applications of non-reductive GIT
2
Teichmuller Theory introduction
8
Which manifolds admit a diffeomorphism of order $n$?
8
Does the Deligne-Mumford space module $S_{n}$ action have a fundamental chain?
5
Homologically trivial submanifolds
5
Ordinary cohomology of stacks
0
Cofinal inclusions of Waldhausen categories
3
Chow Ring of Moduli Space of Abelian Varieties
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