Greg Friedman

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Name Greg Friedman
Member for 2 years
Seen May 10 at 4:40
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Location Texas Christian University
Age 39
I'm a topologist, specializing in stratified spaces and intersection homology. I've also done some work on high dimensional knot theory, particularly PL singular knots and disk knots.
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Questions
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What group is <a,b | a^2=b^2>?

dec 14 10 at 12:58 Sam Nead 5,302●12●26

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Conventions for definitions of the cap product

aug 26 10 at 4:29 Tom Goodwillie 26.7k●2●58●110

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What is a principal refinement of a Postnikov system?

jul 29 10 at 20:50 Tom Goodwillie 26.7k●2●58●110

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Answers
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22
References for sign conventions in homological algebra
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What (if anything) happened to Intersection Homology?
12
Geometric meaning of L-genus
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Singular Homology/Cohomology as a derived functor?
6
Modern Source for Spectra (including Ring Spectra)
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Is there a reference containing standard mathematical notations?
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references / general idea of kervaire invariant problem
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Is intersection homology the usual homology of something else?
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Which journals publish expository work?
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How should a homotopy theorist think about sheaf cohomology?
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When is a finite cw-complex a compact topological manifold?
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Where to start with research regarding maslov index/class
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Cobordism categories that don’t involve manifolds
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Where can I see the proof that the homology groups of the Moore Complex of a simplicial group coincide with the homotopy groups of its geometric realization?
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Singular analog of cellular homology
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Stratified Pseudomanifold
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How to disjoint two cycles with zero intersection?
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Chain Homotopy classes as n-homology of a double complex
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Integer cohomology of the Grassman manifold of n planes in $R^\infty$
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Reference for intersection and linking in algebraic topology
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What books should I read before beginning Masaki Kashiwara’s “Sheaves on Manifolds”
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More questions about Verdier duality (and related math)
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Tensor product of acyclic complexes of free abelian groups
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What is the best way to study Rational Homotopy Theory

 

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