Peter McNamara

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Name Peter McNamara
Member for 3 years
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Location Stanford
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Szego Assistant Professor @ Stanford University (until June 2013).
18

Questions
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25
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How should one think about pushforward in cohomology?

jun 11 11 at 4:30 Dev Sinha 2,470●10●20

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2
9
votes
2
answers
2k
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Affine Weyl groups as Coxeter groups

may 2 10 at 13:33 Jim Humphreys 26.1k●37●82

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6
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2
answers
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Folding by Automorphisms

nov 30 09 at 14:11 Kevin McGerty 1,985●1●5●15

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6
votes
5
answers
1k
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Solutions of the Quantum Yang-Baxter Equation

jul 10 10 at 14:55 Willie Wong 6,987●20●43

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38

Answers
votes newest views recent
22
Open affine subscheme of affine scheme which is not principal
11
Langlands Dual Groups
8
Induction and Coinduction of Representations
8
maximal compact subgroup as fixed points of some involution on p-adic group?
8
Factoring a field extension into one which adds no roots of unity, followed by one which adds only roots of unity
7
Frobenius splitting of affine flag varieties
7
Quantum group Uq(sl(2))
7
Infinite projective space
6
If a representation has enough reductive stabilizers, is it a direct sum of characters?
6
Does the Poincare series of a Coxeter group always describe a “flag variety”?
6
What is the Picard group of a Schubert variety in the affine Grassmannian?
5
Explicit cocycle for the central extension of the algebraic loop group G(C((t))).
5
Intuition for Group Cohomology
5
Longest Element of an Affine Weyl Group
4
What’s the “best” proof of quadratic reciprocity?
4
What would you want on a Lie theory cheat poster?
4
Is the condition ``adjoint action does not have eigenvalue $-1$" dense in a Lie group?
4
Reductive groups over non archimedean local fields.
3
Convex PBW bases
3
Linear reductivity of $SL_n$ in char $0$: proof in Mukai’s book
3
What is known about the centraliser of the Hecke algebra in the affine Hecke algebra?
3
What are the primitives of Lusztig’s twisted bialgebra $\mathbf{f}$?
3
How small can a group with an n-dimensional irreducible complex representation be?
3
For which fields K is every subring of K…?
3
Sum of n-th roots is rarely rational
2
A slick proof of the Bruhat Decomposition for GL_n(k)?
2
Why are Stab(M) and Aut_R(M) isomorphic as schemes?, and why is Aut_R(M) smooth over F?
2
Rationality of algebraic groups
2
Upper bound for lowest common multiple of integers with (almost) fixed sum
1
finiteness of class number: a bound for semi-simple groups?
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211

Votes
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