Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture:
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| Main Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Providence, RI
American Math. Soc.
2015
|
| Series: | Memoirs of the American Mathematical Society
1100 = Vol. 233,6 |
| Online Access: | Inhaltsverzeichnis |
| Item Description: | "Volume 233, number 1100 (sixth of 6 numbers), January 2015." |
| Physical Description: | XII, 106 S. |
| ISBN: | 9781470409883 |
Staff View
MARC
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| 245 | 1 | 0 | |a Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture |c Joel Friedman. With an appendix by Warren Dicks |
| 264 | 1 | |a Providence, RI |b American Math. Soc. |c 2015 | |
| 300 | |a XII, 106 S. | ||
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| 999 | |a oai:aleph.bib-bvb.de:BVB01-027768493 | ||
Record in the Search Index
| _version_ | 1804152937363013632 |
|---|---|
| adam_text | Contents
Preface
vii
Introduction
ix
Chapter
1.
Foundations of Sheaves on Graphs and Their Homological
Invariants
1
1.1.
Introduction
1
1.2.
Basic Definitions and Main Results
5
1.3.
Galois and Covering Theory
14
1.4.
Sheaf Theory and Homology
18
1.5.
Twisted Cohomology
26
1.6.
Maximum Excess and Supermodularity
32
1.7.
ftf 8* and the Universal Abelian Covering
36
1.8.
Proof of Theorem
1.10 39
1.9.
Concluding Remarks
54
Chapter
2.
The
Hanna
Neumann Conjecture
57
2.1.
Introduction
57
2.2.
The Strengthened
Hanna
Neumann Conjecture
59
2.3.
Graph Theoretic Formulation of the SHNC
61
2.4.
Galois and Covering Theory in the SHNC
62
2.5.
p-kernels
65
2.6.
Symmetry and Algebra of the Excess
70
2.7.
Variability of fc-th Power Kernels
76
2.8.
Proof of the SHNC
81
2.9.
Concluding Remarks
83
Appendix A. A Direct View of ^-Kernels
85
Appendix B. Joel Friedman s Proof of the strengthened
Hanna
Neumann
conjecture by Warren Dicks
91
B.I. Sheaves on graphs
91
B.2. Free groups and graphs
95
B.3. The strengthened
Hanna
Neumann conjecture
98
Bibliography
103
|
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| id | DE-604.BV042331759 |
| illustrated | Not Illustrated |
| indexdate | 2024-07-10T01:18:39Z |
| institution | BVB |
| isbn | 9781470409883 |
| language | English |
| oai_aleph_id | oai:aleph.bib-bvb.de:BVB01-027768493 |
| oclc_num | 903246531 |
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| owner_facet | DE-355 DE-BY-UBR DE-83 DE-29T DE-11 |
| physical | XII, 106 S. |
| publishDate | 2015 |
| publishDateSearch | 2015 |
| publishDateSort | 2015 |
| publisher | American Math. Soc. |
| record_format | marc |
| series | Memoirs of the American Mathematical Society |
| series2 | Memoirs of the American Mathematical Society |
| spelling | Friedman, Joel 1962- Verfasser (DE-588)137825706 aut Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture Joel Friedman. With an appendix by Warren Dicks Providence, RI American Math. Soc. 2015 XII, 106 S. txt rdacontent n rdamedia nc rdacarrier Memoirs of the American Mathematical Society 1100 = Vol. 233,6 "Volume 233, number 1100 (sixth of 6 numbers), January 2015." Dicks, Warren 1947- Sonstige (DE-588)172043336 oth Memoirs of the American Mathematical Society 1100 = Vol. 233,6 (DE-604)BV008000141 1100 Digitalisierung UB Regensburg - ADAM Catalogue Enrichment application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027768493&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis |
| spellingShingle | Friedman, Joel 1962- Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture Memoirs of the American Mathematical Society |
| title | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture |
| title_auth | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture |
| title_exact_search | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture |
| title_full | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture Joel Friedman. With an appendix by Warren Dicks |
| title_fullStr | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture Joel Friedman. With an appendix by Warren Dicks |
| title_full_unstemmed | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture Joel Friedman. With an appendix by Warren Dicks |
| title_short | Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture |
| title_sort | sheaves on graphs their homological invariants and a proof of the hanna neumann conjecture |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=027768493&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
| volume_link | (DE-604)BV008000141 |
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