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Geometry, Groups and Dynamics/GEAR Seminar
The talks are listed here alphabetically by speaker’s last name. For a list in chronological order, go to the Illinois Department of Mathematics calendar. This list is updated at the end of each semester; last update May 29, 2019.
| Name/Affiliation |
Title of Talk |
Date |
Links |
|---|---|---|---|
Alessandrini, Daniele |
Introduction to Spectral Networks, Lecture 1 |
12/8/14 |
|
Alessandrini, Daniele |
Introduction to Spectral Networks, Lecture 2 |
12/10/14 |
|
Alessandrini, Daniele |
Introduction to Spectral Networks, Lecture 3 |
12/11/14 |
|
Alexander, Stephanie |
Themes and directions in Alexandrov geometry |
11/4/14 |
|
Aougab, Tarik (Brown University) |
Weil-Petersson analogs for graphs |
4/2/19 |
Video(unavailable) Abstract (unavailable) |
Aramayona, Javier (Madrid) |
The abelianization of automorphism groups of right-angled Artin groups |
12/1/15 |
|
Athreya, Jayadev (Illinois) |
Homogeneous dynamics and applications to number theory |
4/21/15 |
|
Athreya, Jayadev |
Trajectories on suraces and moduli spaces: a survey in honor of Miryam Mirzakhani’s Fields medal |
9/23/14 |
|
Athreya, Jayadev |
Siegel-Veech transforms are in L2 |
10/26/17 |
|
Bell, Mark (Illinois) |
The conjugacy problem for Mod(S) |
4/11/17 |
|
Bell, Mark (Illinois) |
Polynomial-time curve reduction |
3/9/17 |
|
Bell, Mark (Illinois) |
Finding paths in graphs of triangulations |
9/29/15 |
|
Bell, Mark |
Slowly converging Pseudo-Anosovs |
1/26/16 |
|
Bell, Mark |
Polynomial-time Nielsen--Thurston classification |
11/15/16 |
|
Bell, Mark |
Planes, Trains & Automorphisms |
2/24/15 |
|
Berg, David |
Characterization of Aleksandrov Spaces of Curvature Bounded Above by Means of the Metric Cauchy-Schwarz Inequality; part II |
2/25/16 |
|
Berg, David |
Characterization of Aleksandrov Spaces of Curvature Bounded Above by Means of the Metric Cauchy-Schwarz Inequality |
2/11/16 |
|
Bergeron, Maxime |
The Topology of Representation Varieties |
10/19/17 |
|
Bering, Edgar (UIC) |
Compatibility of length functions and the geometry of their deformation spaces |
4/18/17 |
|
Bernhart, Frank |
Flattening equations for Chromatic Polynomials |
2/4/16 |
|
Bestvina, Mladen (University of Utah) |
Boundaries of (some) Out(Fn)-complexes |
4/16/15 |
Video(unavailable) |
Bishop, Richard (Illinois) |
Clairaut's theorem and potential mechanics on metric spaces |
4/9/15 |
|
Boca, Florin (Illinois) |
Some statistical properties of digits in continued fractions |
9/10/15 |
|
Bou-Rabee, Khalid (City College of CUNY) |
The topology of local commensurability graphs |
10/13/15 |
|
Bradlow, Steven |
Higgs bundles and flexibility of surface group representations |
2/16/16 |
|
Branco, Lucas |
Higgs bundles, Lagrangians and mirror symmetry |
12/1/16 |
|
Canary, Richard (University of Michigan) |
Topological Restrictions on Anosov Representations |
4/30/19 |
Video(unavailable) |
Cantrell, Michael (UIC) |
Ergodic Theory and Rigidity of Nilpotent Groups |
11/3/15 |
|
Ceccerini-Silberstein, Tullio |
A Garden of Eden Theorem for Abelian Harmonic Models |
1/23/18 |
|
Cellarosi, Francesco |
Central Limit Theorem for odometers and B-free integers |
4/10/18 |
|
Charette, Virginie |
Some symplectic geometry in the 3-d Einstein Universe |
3/1/16 |
|
Chas, Moira (Stony Brook) |
The generalization of the Goldman bracket to three manifold and its relation to Geometrization |
9/20/18 |
Video(unavailable) |
Chen, Xiuxiong |
A Liouville theorem on Kaehler Ricci flat metric in Cn with conical singularities along {0} x Cn-1 |
2/12/15 |
|
Chu, Michelle (UT Austin) |
Special subgroups of Bianchi groups |
4/20/17 |
|
Clarkson, Corrin |
Heegaard Floer homology and 3-manifold mutation |
3/17/16 |
|
Clay, Matt |
Stable Commutator Length in Baumslag-Solitar groups |
11/13/14 |
|
Clay, Matthew |
L^2-torsion of free-by-cyclic groups |
2/9/16 |
|
Collier, Brian (University of Maryland) |
The geometry of maximal SO(2,n) representations |
5/4/17 |
|
Collier, Brian |
SO(n,n+1) surface group representations |
3/15/16 |
Video(unavailable) |
Collier, Brian |
A mapping class group invariant parameterization of maximal Sp ( 4, ℝ) representations |
2/17/15 |
|
Connell, Christopher |
Lower hyperbolic rank rigidity of quarter-pinched manifolds |
2/5/18 |
Video(unavailable) |
D'Angelo, John P. (Illinois) |
Groups Associated with Rational Proper Maps |
2/21/17 |
|
D'Angelo, John P. (Illinois) |
Proper holomorphic mappings throughout mathematics |
11/5/15 |
Video(unavailable) |
Davison, Ben |
Higgs bundles, character varieties and cohomological Hall algebras |
12/4/13 |
|
Delman, Charles (EIU) |
Alternating knots and Montesinos knots satisfy the L-space knot conjecture |
3/28/17 |
|
Disarlo, Valentina (Indiana) |
Combinatorial rigidity of the arc complex |
10/6/15 |
|
Dowdall, Spencer |
Hyperbolic extensions of free groups |
11/11/14 |
|
Dowdall, Spencer |
The geometry of hyperbolic free group extensions |
4/26/16 |
Video(unavailable) |
Duchin, Moon |
Curvature of graphs |
9/5/17 |
Video(unavailable) |
Dumas, David |
Recurrent Weil-Petersson geodesics with non-uniquely ergodic ending laminations |
10/14/14 |
|
Dumas, David |
Limits of cubic differentials and projective structures |
9/26/17 |
|
Dunfield, Nathan |
Certifying the Thurston norm via twisted homology |
1/29/15 |
|
Dunfield, Nathan |
Floer homology, group orders, and taut foliations of hyperbolic 3-manifolds |
9/8/16 |
|
Dunfield, Nathan |
A tale of two norms |
8/27/15 |
|
Durham, Matthew (Michigan) |
Convex cocompactness in finitely generated groups |
5/2/17 |
|
Erlandsson, Viveka (University of Bristol) |
Mirzakhani's curve counting |
4/25/19 |
Video(unavailable) |
Farb, Benson (University of Chicago) |
How to make predictions in topology (resp. arithmetic) using arithmetic (resp. topology) |
10/15/15 |
|
Filip, Simion |
Hodge theory and its applications in Teichmuller dynamics |
10/6/16 |
|
Fredrickson, Laura (University of Texas - Austin) |
Constructing solutions of Hitchin's equations near the ends of the moduli space |
11/17/15 |
Video(unavailable) |
Frohman, Charles |
Skeins and Characters |
11/14/17 |
|
Fuchs, Elena |
Thin Monodromy Groups |
1/20/15 |
|
Gao, Xinghua (Illinois) |
Orders from PSL_2(ℝ) Representations and Non-examples |
1/19/17 |
|
Gekhtman, Ilya |
Green metric, Ancona inequalities and Martin boundary for relatively hyperbolic groups |
11/30/17 |
|
Golan, Gili (Vanderbilt) |
The generation problem in Thompson group F |
2/7/17 |
|
Goldman, Bill |
Three-dimensional affine crystals |
9/16/14 |
|
Goujard, Elise |
Counting closed geodesics on flat surfaces |
9/18/14 |
|
Gultepe, Funde |
Fully irreducible Automorphisms of the Free Group via Dehn twisting in $\sharp_k(S^2 \times S^1)$ |
1/27/15 |
|
Gupta, Neha |
The primitivity index function for a free group, and untangling closed curves on surfaces |
2/5/15 |
|
Gur, Alper |
Hypersurfaces with Central Convex Cross-Sections |
10/11/16 |
|
Guzman, Rosemary |
Extending the $\log (2k-1)$-Theorem |
1/28/16 |
|
Hartman, Yair |
Which groups have bounded harmonic functions? |
2/20/18 |
|
Heersink, Byron (Illinois) |
An effective asymptotic result for the Lebesgue measure of the sum-level sets for continued fractions |
4/28/15 |
|
Hoffman, Neil |
Knot Complement Commensurability |
12/17/15 |
|
Horbez, Camille |
The Tits alternative for the automorphism group of a free product |
2/19/15 |
|
Hoskins, Vicky |
Group actions on quiver varieties and applications |
3/13/18 |
|
Hu, Ying (University of Nebraska-Omaha) |
Taut foliations and left-orderability of 3 manifold groups |
2/21/19 |
Video(unavailable) |
Hull, Michael |
Acylindrically hyperbolic groups and small cancellation quotients |
9/4/14 |
|
Kapovich, Ilya (Hunter College) |
Index properties of random automorphisms of free groups |
1/17/19 |
Video(unavailable) |
Kapovich, Ilya (Illinois) |
On purely loxodromic actions |
9/3/15 |
|
Kapovich, Ilya |
Counting conjugacy classes of fully irreducibles in Out(Fr) |
1/30/18 |
|
Kelsey, Gregory |
The horofunction boundary of the lamplighter group |
11/17/16 |
|
Kent, Autumn (University of Wisconsin) |
Congruence subgroups in genus one |
2/26/19 |
Video(unavailable) |
Kent, Autumn (Wisconsin) |
Crash course in convex cocompactness |
4/6/17 |
|
Kharlampovich, Olga |
Equations in free associative algebras and group algebras of hyperbolic groups |
3/3/16 |
|
Kielak, Dawid |
Fibering of 3-manifolds and related groups |
5/29/18 |
|
Kim, Heejoung |
Stable subgroups and Morse subgroups of mapping class groups |
3/6/18 |
|
Koberda, Thomas |
Mapping class group and right-angled Artin group actions on the circle |
3/8/16 |
|
Kossovskiy, Ilya (University of Vienna) |
Dynamics and Cauchy-Riemann Geometry |
10/27/15 |
|
Kravchenko, Rostyslav |
Characteristic random subgroups and their applications |
12/5/17 |
|
Kydonakis, Georgios |
A Higgs bundle construction for representations in exceptional components of Sp(4,R)-character varieties |
1/16/18 |
Video(unavailable) |
La Nave, Gabriel (Illinois) |
A new continuity flow of Monge-Ampere type, Gromov-Hausdorff limits and Minimal Model program |
4/30/15 |
|
Lakeland, Grant |
Cheeger constants of arithmetic hyperbolic surfaces |
2/23/16 |
|
Lanier, Justin (Georgia Tech) |
Normal generators for mapping class groups are abundant |
9/25/18 |
Video(unavailable) |
Leininger, Chris (Illinois) |
Marked length rigidity for NPC Euclidean cone metrics |
4/7/15 |
|
Leininger, Chris |
Limits of Teichmüller geodesics |
1/21/16 |
|
Leininger, Chris |
Polygonal billiards, Liouville currents, and rigidity |
5/1/18 |
Video(unavailable) |
Leininger, Chris |
Homology and dynamics of pseudo-Anosovs |
3/5/15 |
|
Liu, Chih-Chung |
Vortex Moduli Spaces and the Space of Holomorphic Maps |
4/7/16 |
|
Lodha, Yash |
A new solution to the von Neumann-Day problem for finitely presented groups |
12/2/14 |
Video(unavailable) |
Logares, Marina |
Character Varieties and the Hodge Monodromy Representation |
10/25/16 |
|
Loja Fernandes, Rui (Illinois) |
Poisson manifolds of compact types |
9/24/15 |
|
Loustau, Brice |
(Hyper-)Kähler geometry of character varieties |
4/14/16 |
Video(unavailable) |
Loving, Marissa (University of Illinois) |
Spectral Rigidity of q-differential Metrics |
2/14/19 |
Video(unavailable) |
Loving, Marissa |
Least Dilatation of Pure Surface Braids |
12/7/17 |
|
Lukyanenko, Anton |
Separated nets in the Heisenberg group |
4/19/16 |
Video(unavailable) |
Lustig, Martin |
Long turns and the index of irreducible free group automorphisms |
11/20/14 |
|
Malestein, Justin |
Arithmetic quotients of the mapping class group from covers |
10/9/14 |
|
Merriman, Claire |
Coding geodesic flows and various continued fractions |
2/15/18 |
|
Mihailescu, Eugen |
Dynamics for Smale skew products and conformal systems with overlaps |
4/20/18 |
Video(unavailable) |
Miller, Nicholas (Purdue University) |
Arithmetic progressions in the primitive length spectrum |
9/8/15 |
|
Minemyer, Barry |
The isometric embedding problem for length metric spaces |
11/3/16 |
|
Minsky, Yair (Yale University) |
Fibrations, subsurfaces and triangulations |
11/19/15 |
|
Modami, Babak |
Recurrent Weil-Petersson geodesics with non-uniquely ergodic ending laminations |
10/21/14 |
|
Mousley, Sarah (Illinois) |
Boundary maps for some hierarchically hyperbolic spaces |
1/24/17 |
|
Movshovich, Yevgenya |
On /\-positioning of arcs between parallel support planes |
3/29/16 |
Video(unavailable) |
Mrowka, Tomasz |
Gauge theory for webs and foams |
9/1/16 |
|
Mukamel, Ronen |
Billiards, the square root of eleven and a Teichmuller curve of genus one |
12/9/14 |
|
Mutanguha, Jean-Pierre (University of Arkansas) |
Immersions and Laminations on Free Groups |
4/18/19 |
Video(unavailable) |
Myasnikov, Alexei (Stevens Institute of Technology) |
Complexity of finitely generated residually finite groups |
4/2/15 |
|
Neitzke, Andy |
Spectral Networks and harmonic maps |
8/25/14 |
|
Nichols, Margaret (University of Chicago) |
Taut sutured handlebodies as twisted homology products |
11/13/18 |
Video(unavailable) |
Obeidin, Malik (Illinois) |
Hyperbolic volumes of random links |
3/2/17 |
|
Oliveira, Andre |
The singular fibers of the Hitchin map |
3/17/15 |
|
Osin, Denis |
Induced group actions |
4/28/16 |
Video(unavailable) |
Pankau, Joshua (University of Iowa) |
Stretch Factors Coming From Thurston's Construction |
1/24/19 |
Video(unavailable) |
Pascaleff, James |
How can you have dynamics when all you have is a category? |
3/10/15 |
|
Patel, Priyam |
Effective separability for hyperbolic surface and 3-manifold groups |
10/7/14 |
|
Pengitore, Mark |
Effective Twisted Conjugacy Separability of Nilpotent Groups |
9/28/17 |
Video(unavailable) |
Pfaff, Catherine (UC Santa Barbara) |
Stable Strata of Geodesics in Outer Space |
4/13/17 |
|
Pfaff, Catherine |
Dense geodesic rays in the quotient of Outer space |
3/3/15 |
|
Pfaff, Catherine |
Random Walks on Out(Fr) |
3/27/18 |
Video(unavailable) |
Pho-On, Witsarut (Illinois) |
Infinite unicorn paths and Gromov boundaries |
12/8/15 |
|
Puder, Doron |
Word Maps and Measure Preservation |
3/12/15 |
|
Rachel Roberts |
Approximating codimension one foliations of 3-manifolds |
3/31/15 |
|
Rafiqi, Ahmad |
Constructing surface homeomorphisms with given stretching factors |
1/22/15 |
|
Randecker, Anja (University of Toronto) |
Asymptotics of the expected diameter of translation surfaces |
2/5/19 |
Video(unavailable) |
Rousseau, Jerome |
Hitting time statistics for observations and application to random dynamical systems |
9/30/14 |
|
Salter, Nick (University of Chicago) |
4-manifolds can be surface bundles over surfaces in many ways |
9/22/15 |
|
Samperton, Eric (UCSB) |
From the dynamics of surface automorphisms to the computational complexity of 3-manifolds |
9/11/18 |
Video(unavailable) |
Sanders, Andy (UIC) |
Complex deformations of Anosov representations |
12/3/15 |
|
Sapir, Jenya |
Counting non-simple closed curves on surfaces |
9/2/14 |
|
Sapir, Mark (Vanderbilt and Illinois) |
Flat submaps in CAT(0) (p,q)-maps and maps with angles |
3/14/17 |
|
Sapir, Mark |
On the Jones subgroup of Thompson's group |
3/19/15 |
|
Sasaki, Dounnu |
Subset currents on surface groups |
4/12/16 |
Video(unavailable) |
Schaposnik, Laura |
On Cayley and Langlands type correspondences for Higgs bundles |
11/28/17 |
|
Schleimer, Saul |
Recognizing three-manifolds |
9/1/15 |
|
Schupp, Paul |
Finitely generated groups with co-c.e. word problem (d'apres Morozov) |
4/21/16 |
Video(unavailable) |
Shalen, Peter |
Homology and volume for hyperbolic 3-orbifolds, and enumeration of arithmetic groups |
4/5/16 |
|
Shapiro, Boris |
Around Bochner-Krall problem |
2/10/15 |
|
Shin, Hyunshik |
Pseudo-Anosov mapping classes not arising from Penner's construction |
2/3/15 |
|
Shonkwiler, Clayton |
The Symplectic Geometry of Polygon Space and How to Use It |
11/29/16 |
|
Sinaei, Zahra (Northwestern University) |
Convergence of harmonic maps |
11/12/15 |
|
Strenner, Balazs |
Pseudo-Anosov maps arising from Penner’s construction |
9/25/14 |
|
Taha, Diaaeldin (University of Washington) |
The Farey Sequence Next-Term Algorithm, and the Boca-Cobeli-Zaharescu Map Analogue for Hecke Triangle Groups G_q |
1/29/19 |
Video(unavailable) |
Tang, Robert (Oklahoma) |
Shadows of Teichmueller discs in the curve graph |
10/8/15 |
|
Tao, Jing |
Genus bounds in right-angled Artin groups |
4/24/18 |
Video(unavailable) |
Taylor, Samuel (Yale University) |
Stability in mapping class groups and right-angled Artin groups |
4/14/15 |
|
Tiozzo, Giulio (Yale University) |
Random walks and random group extensions |
9/15/15 |
|
Toulisse, Jérémy (University of Southern California) |
Hitchin representations in Sp(4,R) and conformally flat space-times |
5/3/16 |
Video(unavailable) |
Tseng, Jimmy (University of Bristol) |
Simultaneous dense and nondense orbits |
5/7/15 |
|
Tserunyan, Anush (Illinois) |
Probability groups |
10/1/15 |
|
Uyanik, Caglar (Yale) |
Atoroidal dynamics of subgroups of Out(FN) |
3/7/19 |
Video(unavailable) |
Uyanik, Caglar |
Dynamics of free group automorphisms and a subgroup alternative for Out(F_N) |
9/20/16 |
|
Vega, Carlos (Saint Louis University) |
Null distance on a spacetime |
9/17/15 |
Video |
Vinogradov, Ilya |
Directions in Hyperbolic Lattices |
9/9/14 |
|
Vlamis, Nick (University of Michigan) |
Algebraic and topological properties of big mapping class groups |
2/2/17 |
|
Watanabe, Yohsuke |
Local finiteness of the curve complex and tight geodesics |
11/6/14 |
|
Watts, Jordan |
Treating Limits as Colimits and Colimits as Limits ... with Applications! |
9/27/16 |
|
Will, Pierre (Institut Fourier) |
SL(3,C), SU(2,1) and the Whitehead link complement |
3/14/19 |
Video(unavailable) |
Willis, George |
Totally Disconnected, Locally Compact Groups |
10/30/14 |
|
Wilson, Jenny |
Stability in the homology of configuration spaces |
11/13/17 |
|
Winarski, Rebecca |
The twisted rabbit problem via the arc complex |
8/29/17 |
Video(unavailable) |
Work, Grace |
Gap distribution for saddle connections on the octagon |
10/28/14 |
|
Wright, Alex |
Dynamics, geometry, and the moduli space of Riemann surfaces |
10/10/17 |
|
Xiao, Sunny (Brown University) |
Classifying incompressible surfaces in hyperbolic mapping tori |
3/28/19 |
Video(unavailable) |
Yancey, Kelly |
Self-Similar Interval Exchange Transformations |
9/14/17 |
|
Yu, Haizi (University of Illinois) |
Geometry Group Theory in Music AI |
4/9/19 |
Video(unavailable) |
Zhang, Xin (Illinois) |
Gap Distributions in Circle Packings |
10/20/15 |
|
Zhang, Xin |
Pair correlation in Apollonian circle packings |
9/21/17 |
Video(unavailable) |
Zharnitsky, Vadim (Illinois) |
Energy growth in discontinuous Hamiltonian systems |
10/29/15 |
|
Zimmer, Andy |
Higher rank geometric structures |
2/26/15 |
|
Zupan, Alex (University of Nebraska-Lincoln) |
Generalized square knots and the 4-dimensional Poincare Conjecture |
10/2/18 |
Video(unavailable) |