activity
19992011
most citedAn extended correction to ``Combinatorial Scalar Curvature and Rigidity of Ball Packings,'' (by D. Cooper and I. Rivin)

17 citations · 53 across the 27 of their papers we have counts for

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Showing 2011Show all

2 papers · 1 filter

math.GT2011★ 4 cited

Rigidity of Fibering

Igor Rivin

Given a manifold M, it is natural to ask in how many ways it fibers (we mean fibering in a general way, where the base might be an orbifold -- this could be described as Seifert fi…

math.GR2011

Walks on Free Groups and other Stories -- twelve years later

Igor Rivin

We start by studying the distribution of (cyclically reduced) elements of the free groups Fn with respect to their abelianization (or equivalently, their integer homology class. We…