Uri Bader
Academic degrees
- 1999, The Technion, Israel, Mathematics, B.Sc. (summa com laude).
- 2004, The Technion, Israel, Mathematics, Ph.D, supervised by Prof. Amos Nevo.
Academic appointments
- 2015- Associate Professor Mathematics, the Weizmann Institute.
- 2011-2015 Associate Professor Mathematics, the Technion.
- 2007-2011 Senior Lecturer Mathematics, the Technion.
- 2004-2007 L.E Dickson Instructor Mathematics, University of Chicago.
- 1997-2004 Teaching Assistant Mathematics, the Technion.
Short visits
- 2012 May-July Orlenas, France.
- 2009 Sep-Oct HIM, Germany.
- 2004 May IHES, France.
- 2004 Jun-Aug ENS-Paris(CNRS), France.
Research interests
My subject of research is (In nite) Group Theory from dynamical view point. Naturally, I am led to consider subjects as: Ergodic Theory and Dynamical Systems, Lie Theory and Representation Theory, as well as Differential Geometry and Geometric and Measurable Group Theory.
Teaching experience
- Undergraduate classes: Calculus, Rings and Fields, Differential Geometry, ODE, Real analysis, Functional Analysis.
- Graduate classes: Commutative algebra, Algebraic Geometry, Algebraic Groups, Arithmetic Groups, Measure Theory, Abstract Harmonic Analysis, Random walks on Groups and Boundary Theory. Algebraic Number Theory.
Awards and Honors
- 2005 the Technion Math. faculty prize for excellence Ph.D. thesis.
- 2003 Wolf prize for excellent Ph.D. students.
- 2002 Haim Hanany prize.
- 2001 Elisha Nethaniahu prize.
- 2000 Technion Excellency in teaching award.
Ph.D students
- Izhar Oppenheim, graduated: 2012.
- Omer Lavy, graduated: 2015.
Master students
- Vladimir Finkelshtein, graduated: 2012.
- Alon Lessel, graduated: 2014.
- Ido Nachum, graduated: 2015.
- Miel Sharf, graduated: 2015.
Supervised postdocs
- 2010: Daniele D’Angeli.
- 2011: Tobias Hartnick.
- 2012: Jean Lecureux.
- 2013: Tobias Hartnick.
- 2014: Baptiste Olivier.
- 2015: Adrien Boyer, Dustin Mayeda.
Research grants
- 2009, GIF Young Scientists granted project: Equivalence relations on groups.
- 2009-2012, ISF grnat: Boundary Theory for Groups.
- 2009-2012, European union grant: FP7-People-IRG 223820- UB07.
- 2010-2014, BSF grant: Topics in Measured Group Theory (with A. Furman).
- 2012, Minerva grant for summer school “Flows on homogeneous spaces” (with Roman Sauer).
- 2012-2017, ERC starting grant: Ergodic group theory.
- 2016-2020, ISF Moked Mehkar grant: Action Now.
Publications
Thesis: Conformal actions of simple Lie-groups on Pseudo-Riemannian
manifolds.
Supervisor: Amos Nevo, 2004.
Refereed articles
- U. Bader and A. Nevo; Conformal actions of simple Lie-groups on compact pseudo-Riemannian manifolds. Journal of Di erential Geometry 60 (2002), 355-387.
- U. Bader and Y. Shalom; Factor and normal subgroup theorems for lattices in products of groups. Invent. Math. 163 (2006), no. 2, 415-454.
- U. Bader, A. Furman, T. Gelander and N. Monod; Property (T) and rigidity for actions on Banach spaces. Acta Math. 198 (2007), no. 1, 57-105.
- U. Bader and U. Onn; Geometric representations of GL(n;R), cellular Hecke algebras and the embedding problem. J. Pure Appl. Algebra 208 (2007), no. 3, 905-922.
- U. Bader, Ch. Frances and K. Melnick; An embedding theorem for automorphism groups of Cartan geometries. GAFA 19-2 (2009), 333-355.
- U. Bader; Conformal Actions on Homogeneous Lorentzian Manifolds. Journal of Lie-Theory 20 (2010), 469-481.
- U. Bader and R. Muchnik; Boundary Unitary Representations – irreduciblity and rigidity. Journal of Modern Dynamics 5 (2011), no.1, 49-69.
- U. Bader, P.E Caprace, T. Gelander and S. Mozes; Simple groups without lattices. Bulletin of the London Mathematical Society (2011), 1-13.
- U. Bader and U. Onn; On some geometric representations of GLn(O). Communications in Algebra Volume 40, Issue 9, 2012, 3169-3191.
- U. Bader, A. Furman and R. Sauer; Ecient subdivision in hyperbolic groups and applications. Groups, Geometry and Dynamics, to appear, 24 pages.
- U. Bader, T. Gelander and N. Monod; A fixed point theorem for L1. Inventiones Math. 189 No. 1 (2012), 143-148.
- U. Bader, A. Furman and R. Sauer, Integrable measure equivalence and rigidity of hyperbolic lattices. Invent. Math.194 (2013), no.2, 313-379.
- U. Bader, A. Furman, Boundaries, Weyl groups, and Superrigidity. Electronic Research Announcements in Mathematical Sciences, 19 (2012) 41-48.
- U. Bader, A. Furman and R. Sauer, Weak notions of normality and vanishing up to rank in L2-cohomology. Int.Math.Res.Not. IMRN, 2014, no. 12, 3177-3189.
- U. Bader, A. Furman, A. Gorodnik and B. Weiss, Rigidity of group actions on homogeneous spaces. III Duke Math Journal, 164 (2015), no.1, 115-155.
- U. Bader, C. Rosendal and R. Sauer, On the cohomology of weakly almost periodic group representations, Journal of Topology and Analysis, 6 (2014), no.2, 153-165.
- U. Bader and A. Furman, Boundaries, rigidity of representations, and Lyapunov exponents. to appear in the Proceedings of the ICM 2014, 27 pages.
- U. Bader, B. Duchesne and J. Lcureux, Furstenberg Maps For CAT(0) Targets Of Finite Telescopic Dimension. to appear in Ergodic Theory and Dynamical System, 16 pages.
- U. Bader and P. Nowak, Cohomology of deformations. Journal of Topology and Analysis, 7 (2015), no.1, 81-104.
- U. Bader and A. Furman, Algebraic Representations of Ergodic Actions and Super-Rigidity. Submitted, 25 pages.
- U. Bader, A. Furman and R. Sauer, On the structure and arithmeticity of lattice envelopes. to appear in Comptes Rendus Mathematique.
-
U. Bader, T. Gelander, Equicontinuous actions of semisimple groups.
to appear in Geometry Groups and Dymnamics. -
U. Bader, B. Duchesne, J. Lecureux, Amenable Invariant Random
Subgroups, to apear in the Israel Journal of Mathematics. -
U. Bader, B. Duchesne, J. Lecureux, Almost algebraic actions of
algebraic groups and applications to algebraic representations, to ap-
pear in Geometry Groups and Dymnamics. -
U. Bader, J. Dymara, Boundary unitary representations - right-
angled hyperbolic buildings, to apear in Journal of Modern Dynamics.
Plenary talks
- Main speaker at the conference "Geometric Analysis", Kyoto Japan, June 2016.
- Main speaker at the school “Rigidity”, Tokyo Japan, November 2014.
- Special lecture series at Wroclaw Poland, September 2014.
- Talk series at the Fields insinuate, Toronto Canada, February 2014.
- Talk series at the Fields insinuate, Toronto Canada, February 2014
- Main lecturer (talk series) at “Lectures on Furstenberg-Poisson boundaries”, Luminy France, January 2014.
- Main lecturer (talk series) at “Geometric and Analytic Group Theory”, Ventotene Italy, September 2013.
- Main lecturer (talk series) at “Geometric and Dynamical Aspects of Discrete Groups”, Lille France, September 2013.
- Main lecturer (talk series) at “Locally compact groups beyond Lie theory”, Spa Belgium, April 2013
- Main lecturer: Group Boundary theory and its applications, Orleans, May 2012.
- Trends and Perspectives in Mathematics, Beit Hatfutsot Tel-Aviv, November 211.
- Plenary talk at the Israeli Mathematical Union meeting, Rehovot, June 2010.
- Main lecturer at the school “Geometry and Rigidity of Groups”, Munster Germany, August 2009.
- Main lecturer at the school Geometry and Probability on Groups, Orsay France, January 2009.
- A main lecturer at the “Geometric group theory” conference, Luminy France, February 2007.
Invited talks
- Measured Group Theory, Vienna Austria, Feb 2016.
- Dynamics of Geometric Group Actions, Bonn Germany, Jan 2016.
- Manifolds and groups, Venotene Italy, Sept 2015.
- Geometric Group Theory, Wroclaw Poland, July 2015.
- Workshop on Generalizations of Symmetric Spaces, Nahsholim Israel, June 2015.
- Geometry, Groups and Topology, Karlsruhe Germany, October 2013.
- Group Theory, Measure, and Asymptotic Invariants, Oberwolfach Germany, August 2013.
- Action Now conference, Berlin, Oct 2012.
- Course geometry of infinite grous, Lille, June 2012.
- Measured group theory, IHP Paris, July 2011.
- ERGODIC GEOMETRY, Orsay France, May 2011.
- Trends in Dynamics, Northwestern University, April 2011.
- Geometric Group Theory, Bedlewo Poland, June 2010.
- CAT(0) Spaces and Affine Buildings , Sde-Boker Israel, February 2010.
- Geometric Group Theory, Bedlewo Poland, June 2009.
- 13th Jerusalem Midrasha Mathematicae AMENABILITY GROUPS AND DYNAMICS, Dec 2008.
- 14th Amitsur Symposium, Technion Israel, July 2008.
- “Harmonic Analysis and Group Actions in Analysis Geometry and Probability”, Zakopane Poland, April 2008.
- “Totally Disconnected Groups, Graphs and Geometry”, Blaubeuren Germany, May 2007.
- “Dynamics of Lie group actions on parameter spaces” workshop, Sde Boker Israel, January 2007.
- “von Neumann Algebras and Ergodic Theory”, UCLA, March 2007.
- “Rigidity, Dynamics, and Group Actions” conference, Banff, July 2005.
- “Wasatch Topology conference”, May 05, Utah.
- “MIDRASHA: discrete sub-groups of semisimple Lie-groups”, the Hebrew university, Israel, March, 2002.
- “The European conference in Ergodic theory, Geometric rigidity and Number theory, the Isaac Newton institute, Cambridge, July, 2000.
- “The international conference of Geometric and Combinatorial Group Theory”, The Technion, June, 2000.
Organizing events
-
Co-organizer of the "action now seminar", the Israeli wandering sem-
inar on group actions, 2008-2016. - Co-organizer of the school “Generalized cohomologies”, 2015.
- Co-organizer of the “action now seminar”, the Israeli wandering seminar on group actions, 2008-2014.
- Co-organizer of the seminar “Groups Dynamics and Related Topics”, 2014.
- Co-organizer of the Technion Topology seminar, 2010-2013.
- Co-organizer of the conference “Mapping Class Groups and Teichmuller Theory”, 2014.
- Co-organizer of the conference “Young Geometric Group Theory”, 2013.
- Co-organizer of the Minerva summer school “Flows on homogeneous spaces”, 2012.
- Co-organizer of the conference “Geometric Group Theory”, 2011.
- Co-organizer of the workshop “Property (T) and around”, 2011.
- Co-organizer of the summer school “Growth”, Summer 2010.
- Co-organizer of the summer school “things you can do with SL(2), Summer 2008.
- Co-organizer of the parallel session “Group Actions” at the IMU meeting, May 2007.
Services
- Technion Math. department colloquium co-organizer, 2009-2010.
- Technion Math. department Scouting committee, 2010-2014.
- Technion Math. department graduate studies committee, 2011-2014.
- Technion Center of Mathematical Science committee, 2014.