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Steven Hurder

Professor Emeritus, 2012 - present
Mathematics, Statistics & Computer Science
University of Illinois at Chicago

Email: hurder@uic.edu

 



Awards & Honors

Research: Alfred P. Sloan Foundation Fellowship, 1985-1987 ; University Scholar (1991-1994; UIC)
Service: Award of Excellence (1997; State of Illinois - citizen contributions to local elementary schools)
Teaching: Award of Excellence (2007; UIC Campus-Wide Prize for Teaching Contributions)
UIC: INSPIRE & Luminary Award (June/November 2010)
AMS: Fellow of the American Mathematics Society (2012)


Recent & Forthcoming

93. Essential holonomy of Cantor actions (with Olga Lukina) PDF
  Journal Math. Society Japan, vol. 77, 57-74, 2025. {arxiv:2205.06285}  
94. Type invariants for non-abelian odometers (with Olga Lukina) PDF
  Ergodic Theory Dynamical Systems, pages 1--29, 2025; {arXiv:2305.00863}  
95. Prime spectrum and dynamics for nilpotent Cantor actions (with Olga Lukina) PDF
  Pacific Journal Mathematics, vol. 327, 107--128, 2023. {arXiv:2305.00896}  
96. Characteristic classes of flat Diff(M) foliations PDF
  preprint, November 2023. {arXiv:2311.09160}  
97. Rigid secondary characteristic classes PDF
  preprint, March 2024. {arXiv:2403.09371}  
98. Mapping class groups of solenoidal manifolds (with Olga Lukina) PDF
  preprint, July 2026. {arXiv:2610.20131}  
99. Mapping class groups of nilpotent solenoids (with Olga Lukina) PDF
  in preparation, 2026.  


Golden Oldies

2. Dual homotopy invariants of G-foliations PDF
  Topology, 20(4):365--387, 1981.
21. Ergodic theory and Weil measures for foliations (with Anatole Katok) PDF
  Ann. of Math. (2) 126 (1987), no. 2, 221--275.
29. Differentiability, rigidity and Godbillon-Vey classes for Anosov flows (with Anatole Katok) PDF
  Inst. Hautes Études Sci. Publ. Math. No. 72 (1990), 5--61.
  The original 1987 IHES preprint version has additional content.
31. Cyclic cocycles, renormalization and eta-invariants. (with Ronald G. Douglas and Jerome Kaminker) PDF
  Invent. Math. 103 (1991), no. 1, 101--179.
36. Rigidity for Anosov actions of higher rank lattices PDF
  Ann. of Math. (2) 135 (1992), no.2, 361--410.
51. Manifolds which cannot be leaves of foliations (with Oliver Attie) PDF
  Topology 35 (1996), no. 2, 335--353.
59. Dynamics and the Godbillon-Vey Class of C^1 Foliations (with Remi Langevin) PDF
  Journal Math. Society Japan, Vol. 70:423 - 462, 2018. revision of 2004 preprint
74. The dynamics of generic Kuperberg flows (with Ana Rechtman) PDF
  Astérisque, Vol. 377, 2016.


Surveys & More

1994:  A survey of rigidity theory for Anosov actions PDF
1994:  Coarse geometry of foliations PDF
2002:  Dynamics and the Godbillon-Vey class: a history and survey PDF
2003:  Foliation Geometry/Topology Problem Set PDF
2008:  Classifying foliations PDF
2008:  Characteristic classes for Riemannan foliations PDF
2011:  Lectures on Foliation Dynamics: Barcelona 2010 PDF
2012:  Problem Session - Foliations 2012, Lodz, Poland PDF


updated August 19, 2026