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researcher

S. Halperin

2 papers hereh-index 303.7k citations144 works total

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author position
  • middle author2

Across the 2 of 2 papers where every author was matched, so the position is known.

fields
  • math.AT2

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collaborators

2 papers

math.AT2003

Graded Lie algebras with finite polydepth

Y. Felix, S. Halperin, J. -C. Thomas

If A is a graded connected algebra then we define a new invariant, polydepth A, which is finite if ExtA∗​(M,A)=0 for some A-module M of at most polynomial growth. Theorem 1…

math.AT2003

Torsion primes in loop space homology

Y. Felix, S. Halperin, J. -C. Thomas

We construct a finite 1-connected CW complex X such that H∗​(ΩX;Z) has p-torsion for the infinitely many primes satisfying p ~ 5,7,17,19 mod 24, but no p-torsion for the infinit…

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