Benjamin Thompson
Ph.D. Candidate
Education
Bachelor of Philosophy (2016) Australian National University, mathematics
Mauro Camargo Rios
Ph.D. Candidate
Education
Licenciado (2018) Universidad De La Republica, mathematics
Departments and programs
Chaitanya Tappu
Ph.D. Candidate
Education
- BSc (Research) (2018) Indian Institute of Science, mathematics
Departments and programs
Links
Brandon Shapiro
Ph.D. Candidate
Education
M.S. Special (2019) Cornell University, computer science
B.S. (2017) Brandeis University, mathematics, computer science, and physics
Departments and programs
Links
David Mehrle
Ph.D. Candidate
Education
- M.S. special (2018) Cornell University, mathematics
- M.S. (2016) Cambridge University, mathematics
- B.A. (2015) Carnegie Mellon University, mathematics
Departments and programs
Links
Elise McMahon
Ph.D. Candidate
Education
- M.S. (2017) Cambridge University, mathematics
- Postgraduate Diploma (2016) Independent University of Moscow, mathematics
- B.A. (2015) Ave Maria University, mathematics
Departments and programs
Karen Vogtmann, FRS
Goldwin Smith Professor Emerita of Mathematics; Professor, University of Warwick
Publications
- Moduli of graphs and automorphisms of free groups (with M. Culler), Inventionnes 84 (1986), 91–119.
- Cerf theory for graphs (with A. Hatcher), J. London Math. Soc. 58 part 3 (1998), 633–655.
- Geometry of the space of phylogenetic trees (with L. J. Billera and S. Holmes), Advances in Applied Math 27 (2001), 733–767.
- On a theorem of Kontsevich (with J. Conant), Algebr. Geom. Topol. 3 (2003), 1167–1224.
- The cohomology of automorphism groups of free groups, Proceedings of the I.C.M. Madrid II (2006), 1101–1119.
- Automorphisms of two-dimensional right-angled Artin groups (with R. Charney), Geometry & Topology 11(2007), 2227–2264.
- Actions of automorphism groups of free groups on spheres and acyclic manifolds (with Martin Bridson), Commentarii Math. Helv. 86 no. 1 (2011).
- Abelian covers of graphs and maps between outer automorphisms of free groups (with M. R.. Bridson), Math. Ann. 353 no. 4 (2012), 1069–1102.
Education
Ph.D. (1977) University of California at Berkeley
Departments and programs
Links
Keywords
Topology, geometric group theory
Allen Hatcher
Professor Emeritus
Publications
- Higher simple homotopy theory, Annals of Math. 102 (1975), 101–137.
- A proof of the Smale conjecture, Annals of Math. 117 (1983), 553–607.
- Algebraic Topology, Cambridge University Press, 2002. (This book is also available online at pi.math.cornell.edu/~hatcher)
Education
- Ph.D. (1971) Stanford University
Departments and programs
Links
Peter J. Kahn
Professor Emeritus
Publications
- Pseudohomology and homology (Nov. 2001), 35 pp.
- Symplectic torus bundles and group extensions (updated Jan. 2005), 20 pp.
- Automorphisms of the discrete Heisenberg group (Feb. 2005), 7 pp.
- The density of the set of trisectable angles (Dec. 2010, revised July 2011), 40 pp.
- Trisection, Pythagorean angles, and Gaussian integers (July 2011), 10 pp.
- m-Sectable angles and the density of polynomial images (April 2013), 19 pp.
- A generalization of Wantzel's theorem, m-sectable angles, and the density of certain Chebyshev-polynomial images (Jan. 2014), 15 pp.; Journal of Pure and Applied Algebra (to appear).
- Finite metric spaces of Euclidean type (March 2021), 9 pp.
Education
- Ph.D. (1964) Princeton University
Departments and programs
Links
Kenneth Brown
Professor Emeritus
Publications
Euler Characteristics of Discrete Groups and G-Spaces, Invent. Math. 27 (1974), 229–264.
Cohomology of Groups, Graduate Texts in Mathematics 87, Springer-Verlag, New York, 1982.
Semigroups, Rings and Markov Chains, J. Theoret. Probab. 13 (2000), 871–938.
Forest diagrams for elements of Thompson’s group F (with James Belk), Internat. J. Algebra Comput. 15 (2005), 815–850.
Buildings: Theory and Applications (with Peter Abramenko), Graduate Texts in Mathematics 248, Springer, New York, 2008.
Education
- Ph.D. (1971) Massachusetts Institute of Technology