Stephen Halperin

Stephen Halperin (Professor)
B.Sc. 1965 (Toronto), M.Sc. 1966 (Toronto), 
Ph.D. 1970 (Cornell)
Department of Mathematics
University of Toronto
Sidney Smith Bldg., Rm 4072
100 St. George Street
Toronto, Ontario, M5S 3G3 
TEL: (416) 978-3320
FAX: (416) 978-4107
halper@math.toronto.edu

esearch: Homotopy theory and loop space homology

ecent Publications:

• S. Halperin and J.-M. Lemaire, The fibre of a cell attachment, J. Edinburgh Math. Soc. 38 (1995) 295-311.
• Y. Felix, S. Halperin and J.-C. Thomas, Differential graded algebras in topology, Chapter 16 in Handbook in Algebraic Topology, I.M. James Editor, Elsevier Science 1995, 829-865.
• Y. Felix, S. Halperin and J.-M. Lemaire, The rational LS category of products and Poincare duality spaces, Topology 37 (1998) 749-756.

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