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Advanced School on Geometric Group Theory and Low-Dimensional Topology - Recent Connections and Advances

ICTP Mathematics via YouTube

Overview

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Explore cutting-edge research in geometric group theory and low-dimensional topology through this advanced school featuring 22 hours and 54 minutes of specialized lectures. Delve into the intersection of geometry, topology, and group theory through comprehensive coverage of virtually special groups and cube complexes, hyperbolic 3-manifolds, mapping class groups, and curve complexes. Master higher Teichmüller theory and geometric structures while examining left orderability, L-spaces, and their applications to 3-manifolds. Investigate dynamics on Teichmüller space and moduli space through expert presentations on topics including Windows cores and skinning maps, higher rank Morse lemmas, quasi-Hitchin symplectic Anosov representations, and orderability in Dehn filling. Study advanced concepts such as Liouville currents and complex structures for Hitchin representations, spherical metrics on conical surfaces, geodesic currents and length functions, Veech groups and cutting sequences, and the Virtual Fibering Conjecture. Examine automorphisms of right-angled Artin groups, curve counting on surfaces, exotic compact quotients of PSL(2,C), and renormalized volume of quasifuchsian manifolds. Analyze totally geodesic subvarieties in moduli spaces, hierarchically hyperbolic spaces and their boundaries, ultralimits of maximal representations, and slope detection in 3-manifolds. Explore character varieties of knots and their reductions mod p, proper affine actions of right-angled Coxeter groups, quasi-isometric rigidity of convex-cocompact Kleinian groups, rationality and volume growth in polynomial ranges, and RFRS for congruence covers.

Syllabus

Windows, cores, and skinning maps - K. Bromberg
A higher rank Morse Lemma - A. Sambarino
The geometry of quasi-Hitchin symplectic Anosov representations - S. Maloni
Orderability and Dehn filling - N. Dunfield
The Liouville current and complex structures for Hitchin representations - F. Labourie
Spherical metrics on conical surfaces - G. Mondello
Cannon and relatives - J. Manning
Geodesic currents and length functions of Hitchin and maximal representations - T. Zhang
Veech groups, cutting sequences, and penetration spectra - C. Ulcigrai
The Virtual Fivering Conjecture - Ian Agol
Automorphisms of RAAGs: vast or skimpy? - V. Guirardel
Counting curves on surfaces - V. Erlandsson
Exotic compact quotients of PSL(2,C) - C. Leininger
The renormalized volume of quasifuchsian manifolds and extremal length - J-M. Schlenker
Totally geodesic subvarieties in the moduli space of Riemann surfaces - R. Mukamel
Hierarchically hyperbolic spaces and their boundaries - A. Sisto
Ultralimits of maximal representations - M. Pozzetti
Slope detection in 3-manifolds - S. Boyer
Character varieties of knots and their reductions mod p - L. Paoluzzi
Proper affine actions of right angled Coxeter groups - J. Danciger
Quasi-isometric rigidity of convex-cocompact Kleinian groups - P. Haissinsky
Rationality and volume growth in the polynomial range - M. Duchin
RFRS for congruence covers - I. Agol

Taught by

ICTP Mathematics

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