Andy Putman

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Name Andy Putman
Member for 5 months
Seen 3 hours ago
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Location Cambridge, MA
Age 30
postdoc at MIT
9

Questions
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Atiyah-Singer index theorem

1d ago Raphael Zentner 41●3

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Generators for congruence subgroups of SL_2

feb 3 at 4:56 Ben Linowitz 1,665●2●18

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Top specialized journals

dec 28 at 10:44 José Figueroa-O'Farrill 5,778●1●4●29

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Triangulating surfaces

mar 9 at 6:32 Tony Pantev 1,855●1●4●10

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Lifting bases for (Z/pZ)^n to Z^n

oct 22 at 5:21 Steven Sivek 1,311●1●4●10

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61

Answers
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17
Which mathematicians have influenced you the most?
14
Cohomology of fibrations over the circle (2)
12
Introductory text on geometric group theory?
11
What’s a non-abelian totally ordered group?
11
Are there good programs to create mathematical pictures in svg format?
11
What are fixed points of the Fourier Transform
10
Stable Homology of arithmetic groups. (2)
10
Mapping Class Groups of Punctured Surfaces (and maybe Billiards)
10
Algebraic Topology Beyond the Basics:Any Texts Bridging The Gap?
10
Geometric group theory and analysis
10
Best online math videos?
9
Are there two non-diffeomorphic smooth manifolds with the same homology groups?
8
What’s an example of a function whose Taylor series converges to the wrong thing?
8
How does this geometric description of the structure of PSL(2, Z) actually work?
8
Essential theorems in group (co)homology
7
Conformal maps in higher dimensions
7
Why is GL(n,C)/U(n) a CAT(0) space?
7
What are the advantages and disadvantages of the Moore method?
7
Introductory text for the non-arithmetic moduli of elliptic curves
6
How do Dehn functions of special linear and mapping class groups behave?
6
(Non-trivial) presentation of general linear and symplectic group over Z/mZ?
6
Euler characteristic of a manifold and self-intersection
5
cohomology of moduli spaces (2)
5
A learning roadmap for algebraic geometry
5
Gromov-Witten theory and compactifications of the moduli of curves (2)
5
Mathematical Physics? (Particularly computational)
5
Least number of charts to describe a given manifold
5
Great mathematical figures and/or diagrams?
5
Schur Multipliers
5
Does every decidable question about finitely presented groups amount to a question about abelian groups?
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