Not teaching Fall 2013:
My undergraduate textbook "Beginning Topology" is now being published by the AMS: http://www.ams.org/bookstore-getitem/item=amstext-10
Girl’s Surface, with A. Mellnik, C. Séquin, Bridges Conference Proceedings, July 2013.
Errata and corrigenda: Ergodic and chaotic properties of Lipschitz maps on smooth surfaces , with J. Hawkins, New York J. Math 18 (2012) 551-554.
Ergodic and chaotic properties of Lipschitz maps on smooth surfaces , with J. Hawkins, New York J. Math 18 (2012) 95-120
Immersions of the projective plane with one triple point, (with M. Kossowski), Differential Geometry and its Applications 27 (2009), pp. 527-542. (For a beautiful display of related graphics done
undergraduate research project, see Alex Mellnik .)
Modifying a branched surface to carry a foliation, (with S. Shields), Topology and Its Applications Vol 154, Issue 16, August 2007, pp. 2962-2975.
Beginning Topology, Brooks/Cole, summer 2004
A condition for the stability of R-covered on foliations of 3-manifolds, (with S. Shields), Transactions AMS 352, Nbr. 9, (2000), 4051-4065
Vector fields with transverse foliations II, Ergodic Theory and Dynamical Systems 6 (1986), 193-203.
Vector fields with transverse foliations, Topology 24 (1985), 333-340.
Dehn surgery on Anosov flows, Geometric Dynamics, Lecture Notes in Mathematics 1007, Springer 1983, pp. 300-307.
Holonomy and averaging in foliated sets, (with J. Plante) ,Jour. Diff. Geom. 14 (1979), 401-407.
Closed leaves in foliations of codimension one, Comment. Math. Helvet. 50 (1975), 383-388.
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