Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture
著者
書誌事項
Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture
（Memoirs of the American Mathematical Society, no. 1100）
American Mathematical Society, 2015, c2014
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注記
Includes bibliographical references (p. 103-106)
内容説明・目次
内容説明
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.
目次
Foundations of sheaves on graphs and their homological invariants
The Hanna Neumann conjecture
Appendix A. A direct view of p-kernels
Appendix B. Joel Friedman's proof of the strengthened Hanna Neumann conjecture by Warren Dicks
Bibliography
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