Friedman, Joel,  1962- <br/><br/>
Sheaves on graphs, their homological invariants, and a proof of the Hanna Neumann conjecture / 
Joel Friedman ; with an Appendix by Warren Dicks. 
 - 1 online resource (124 pages). 
 - Memoirs of the American Mathematical Society,  Volume 233, Number 1100 (sixth of 6 numbers)  1947-6221 ; .
 - Memoirs of the American Mathematical Society ;  Volume 233, Number 1100 (sixth of 6 numbers) .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781470419684 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sheaf theory.<br/>Vector spaces.<br/>Vector analysis.
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Electronic books.
<br/><br/><label>LC Class. No.: </label>QA612.36  / .F754 2014 
<br/><br/><label>Dewey Class. No.: </label>514/.224