Selected publications:

A dynamical system on $R^3$ with uniformly bounded trajectories and no compact trajectories
(with C.S. Reed), Proceedings of the American Mathematical Society 106 (1989), 1095-1097.

On the bihomogeneity problem of Knaster,
Transactions of the American Mathematical Society, 321 (1990), 129-143.

A nonparallel cylinder packing with positive density,
Mathematika, 37 (1990), 324-331.

Fixed points of orientation reversing homeomorphisms of the plane,
Proceedings of the American Mathematical Society, 112 (1991), 223-229.

A lower bound for the number of fixed points of orientation reversing homeomorphisms,
The Geometry of the Hamiltonian Systems, Mathematical Sciences Research Institute Publications, 22 (1991), 367-371.

A smooth counterexample to the Seifert conjecture,
Annals of Mathematics, 140 (1994), 723-732.

Mutually Contiguous and Concurrent Translates of a Plane Disk
(with A. Bezdek, and W. Kuperberg), Duke Mathematical Journal, 78 (1995), 19-31.

Generalized counterexamples to the Seifert conjecture
(with G. Kuperberg), Annals of Mathematics, 144 (1996), 239-268.
arXiv.org, e-Print Mathematics Archive math.DS/9802040

Bihomogeneity and Menger manifolds,
Topology and its Applications, 84 (1998), 175-184.
arXiv.org, e-Print Mathematics Archive math.GN/9804085

Almost-tiling the plane by ellipses
(with W. Kuperberg, J. Matousek, and P. Valtr), Discrete and Computational Geometry 22 (1999), 367-375.
arXiv.org, e-Print Mathematics Archive math.MG/9804040

A knotted minimal tree,
Communications in Contemporary Mathematics 1 (1999), 71-86.
arXiv.org, e-Print Mathematics Archive math.MG/9806080

Total curvature and spiralling shortest paths
(with I. Barany and T.Zamfirescu), Discrete and Computational Geometry 30 (special issue) (2003), 167-176. arXiv.org, e-Print Mathematics Archive math.MG/0301338

Lattice packings with a gap are not completely saturated
(with G. Kuperberg and W. Kuperberg), Beitraege zur Algebra und Geometrie, 45 (2004), 267-273. arXiv.org, e-Print Mathematics Archive math.MG/0303366

2-wild trajectories
Dynamical Systems and Differential Equations: in Discrete and Continuous Dynamical Systems, Supplement Volume (2005), 518-523.


Survey papers:

Counterexamples to the Seifert Conjecture,
Documenta Mathematica, Extra Volume ICM 1998, 831-840.

Aperiodic dynamical systems,
Notices, Oct. 1999, 1035-1040.


Edited books:

Continua with the Houston Problem Book
(with H.Cook, W.T.Ingram, A.Lelek, P.Minc), Lecture Notes in Pure and Applied Mathematics 170, Marcel-Dekker, New York-Basel-Hong Kong, 1995.

Collected Works of Witold Hurewicz,
American Mathematical Society Collected Works Series, 1995.

Geometry and Topology in Dynamics
(with M.Barge), American Mathematical Society Contemporary Mathematics Series 246, 1999.