Sheaves on Graphs, Their Homological Invariants, and a Proof of the Hanna Neumann Conjecture

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  • Sheaves on Graphs, Their Homological Invariants, and a Proof of the Hanna Neumann Conjecture Book Detail

  • Author : Joel Friedman
  • Release Date : 2014-12-20
  • Publisher : American Mathematical Soc.
  • Genre : Mathematics
  • Pages : 124
  • ISBN 13 : 1470409887
  • File Size : 80,80 MB

Sheaves on Graphs, Their Homological Invariants, and a Proof of the Hanna Neumann Conjecture by Joel Friedman PDF Summary

Book Description: In this paper the author establishes some foundations regarding sheaves of vector spaces on graphs and their invariants, such as homology groups and their limits. He then uses these ideas to prove the Hanna Neumann Conjecture of the 1950s; in fact, he proves a strengthened form of the conjecture.

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