Darren Creutz
 Assistant Professor of Mathematics
 Vanderbilt University
Education
 Ph.D. Mathematics, University of California: Los Angeles
 M.A. Mathematics, University of California: Los Angeles
 B.A. Mathematics with Honors & Computer Science, Williams College
 2011
 2006
 2003
Research
Research Areas:
Ergodic Theory of Group Actions, Rigidity Theory, Algebraic and Topological Groups
Doctoral Advisor:
Professor Yehuda Shalom, University of California: Los Angeles
Postdoctoral Advisor:
Professor Vaughan Jones, Vanderbilt University
Publications

Character Rigidity for Lattices and Commensurators
(in review)
Darren Creutz and Jesse Peterson 
Relative Furstenberg Entropy and the Information Theory of Joinings
(in preparation)
Darren Creutz 
Stabilizers of Actions of Lattices in Products of Groups
Ergodic Theory and Dynamical Systems
(to appear)
Darren Creutz 
Stabilizers of Ergodic Actions of Lattices and Commensurators
Transactions of the AMS
(to appear)
Darren Creutz and Jesse Peterson 
A Reduced Cohomology Approach to Relative Property (T)
(in preparation)
Darren Creutz 
Contractive Spaces and Relatively Contractive Maps
Proceedings of the Oxtoby Centennial Conference
(to appear)
Darren Creutz 
A Normal Subgroup Theorem for Commensurators of Lattices
Groups, Geometry and Dynamics
October 2014
Darren Creutz and Yehuda Shalom 
Mixing on Stochastic Staircase Transformations
(in review)
Darren Creutz 
Mixing on RankOne Transformations
Studia Mathematica
August 2010
Darren Creutz and Cesar Silva 
Mixing on a Class of RankOne Transformations
Ergodic Theory and Dynamical Systems
March 2004
Darren Creutz and Cesar Silva 
Commensurated Subgroups and the Dynamics of Group Actions on QuasiInvariant Measure Spaces
Doctoral Dissertation
June 2011
Darren Creutz 
RankOne Mixing and Dynamical Averaging
Honors Thesis
June 2001
Darren Creutz
Awards and Honors
 Robert Sorgenfrey Distinguished Teaching Award UCLA 2010
 VIGRE Instructorship UCLA 2010
 VIGRE Fellowship UCLA 20052009
 SMALL Research Internship Williams College 20012004
Talks
 Harmonic Maps on Groups and Property (T) Noncommutative Geometry and Operator Algebras Spring Institute 6 May 2015
 CoOrganizer, Special Session: Classification Problems in Operator Algebras AMS Joint Mathematics Meetings 11 January 2015
 OperatorAlgebraic Superrigidity for Lattices AMS Special Session on Classification Problems in Operator Algebras, Baltimore Maryland 15 Jan 2014
 Operator Algebraic Superrigidity for Lattices and Commensurators Northwestern University 3 Dec 2013
 Rigidity for Characters on Lattices and Commensurators Vanderbilt University 30 Oct 2013
 Character Rigidity for Lattices and Commensurators Vanderbilt University 27 Sep 2013
 Stabilizers of Ergodic Actions of Product Groups and Lattices in Products Shanks Workshop on von Neumann Algebras and Ergodic Theory, Vanderbilt University 28 Apr 2013
 Stabilizers of Actions of Groups and Invariant Random Subgroups Vanderbilt University 26 Apr 2013
 Stabilizers of Actions of Product Groups and Lattices in Product Groups Vanderbilt University 5 April 2013
 Mixing on RankOne Transformations Vanderbilt University 25 Jan 2013
 Stabilizers of Ergodic Actions of Lattices and Commensurators University of California: San Diego 16 Nov 2012
 Poisson Boundaries, Harmonic Functions and Random Walks on Groups Vanderbilt University 9 Nov & 5 Dec 2012
 Stabilizers of Ergodic Actions of Lattices and Commensurators Vanderbilt University 19 Sep 2012
 Stabilizers of Ergodic Actions of Lattices and Commensurators Williams College Ergodic Theory Conference 28 July 2012
 Stabilizers of Ergodic Actions of Lattices and Commensurators UCLA Workshop on von Neumann Algebras and Ergodic Theory 26 May 2012
 Stabilizers for Ergodic Actions of Commensurators Vanderbilt University 6 April 2012
 The Property (T) “Half” of the MargulisZimmer Conjecture Vanderbilt University 29 Feb 2012
 Property (T) for Certain Totally Disconnected Groups Related to a Conjecture of Margulis and Zimmer Vanderbilt University 17 Feb 2012
 SAT Actions and Rigidity of Lattices Vanderbilt University 30 Nov 2011
 Normal Subgroups of Commensurators of Lattices Vanderbilt University 9 Nov 2011
 Normal Subgroups of Commensurators and Rigidity of SAT Actions Vanderbilt University 26 Aug & 2 Sep & 9 Sep 2011
 Dynamics of SAT Actions CalTech 2 May 2011
 Normal Subgroups of Commensurators and Rigidity of SAT Actions University of California: Los Angeles 6 Apr & 13 Apr 2011
 Normal Subgroups and Rigidity for Commensurators Vanderbilt University 28 Feb 2011
 QuasiInvariant Group Actions University of California: Los Angeles 18 Feb 2011
 Normal Subgroups of Commensurators and SAT Actions CalTech 20 Jan 2011
 A Normal Subgroup Theorem for Commensurators Yale University 15 Nov 2010
 Mixing, Random Sequences and RankOne Transformations Northwestern University 9 Nov 2010
 Normal Subgroup and Factor Theorems for Commensurators University of Illinois: Chicago 8 Nov 2010
 A Normal Subgroup Theorem for Commensurators of Lattices AMS Western Meeting 9 Oct 2010
 Superstability and FiniteTime Extinction for Semigroups University of California: Los Angeles 27 Apr 2010
 Poisson Boundaries and Their Applications University of California: Los Angeles Jan 2009
 RankOne Actions, Mixing and Singular Spectra University of California: Los Angeles Mar 2007
Teaching Experience
 Instructor, Probability and Statistical Inference Vanderbilt University Fall 2015
 Instructor, SingleVariable Calculus I Vanderbilt University Fall 2015
 Instructor, Probability and Statistics for Engineering Vanderbilt University Summer 2015
 Instructor, Probability and Statistical Inference Vanderbilt University Spring 2015
 Instructor, Differential Equations with Linear Alegbra Vanderbilt University Spring 2015
 Instructor, Probability and Statistical Inference Vanderbilt University Fall 2014
 Instructor, Differential Equations with Linear Alegbra Vanderbilt University Fall 2014
 Instructor, Single Variable Calculus Vanderbilt University Summer 2014
 Instructor, Ergodic Theory of Group Actions Vanderbilt University Spring 2014
 Instructor, Multivariable Calculus Vanderbilt University Fall 2013
 Instructor, SingleVariable Calculus Vanderbilt University Summer 2013
 Instructor, Introduction to Analysis Vanderbilt University Spring 2013
 Instructor, Ordinary Differential Equations Vanderbilt University Fall 2012
 Instructor, Introduction to Analysis Vanderbilt University Spring 2012
 Instructor, Accelerated SingleVariable Calculus II Vanderbilt University Fall 2011
 Instructor, Probability & Programming Review UCLA Winter 2011
 Instructor, Undergraduate “Boot Camp” UCLA Summer 2010
 Instructor, Integration and Infinite Series UCLA Spring 2010
Work Experience
 Google Software Engineer Jun  Sep 2007  2008
 Independent Web Developer Web Coding and Design 2000  2010
 Transnational Venture Consultants, Inc. IT Officer 2003  2008
 Moseley Road SysAdmin 2004  2008
 Science Application International Corp. Contracted Developer 1997, 2002