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### Related Seminars:

- Shai Evra

Tuesday 2nd February 2021, 3:00 pm – 4:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar mailing list and the Bristol Analysis & Geometry mailing list, the week before the seminar. - Chun-Hung Liu

Asymptotic dimension of minor-closed families, and beyond. (TBC)

Wednesday 24th February 2021, 4:00 pm – 5:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar and Analysis & Geometry Seminar mailing lists, 4th Floor Seminar Room - Carla Groenland

Surfaces have asymptotic dimension two. (TBC)

Tuesday 9th March 2021, 11:00 am – 12:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar mailing list, the week before the seminar.

### Past Seminars:

- Jonathan Eckhardt

Indefinite Krein strings and the conservative Camassa-Holm flow

Tuesday 19th January 2021 - Clara Aldana

Polyakov Formulas for conical singularities in two dimensions

Thursday 14th January 2021 - Felipe Goncalves

Sign Uncertainty

Thursday 17th December 2020 - Han Hong

Shape optimization of Steklov eigenvalues in higher dimensions

Thursday 10th December 2020 - David Sher

Inverse Steklov spectral problem for curvilinear polygons

Thursday 3rd December 2020 - Jean-Claude Cuenin

Spectral inequalities for Schrödinger operators with complex potentials

Thursday 26th November 2020 - Dimitrios Ntalampekos

Rigidity theorems for circle domains

Thursday 19th November 2020 - Ali Raad

On C*-algebras and their Cartan subalgebras

Thursday 12th November 2020 - Mikael de la Salle

Group actions on L_p spaces : dependence on p

Thursday 5th November 2020 - Sugata Mondal

Hot spots conjecture and critical points of Neumann eigenfunctions of polygonal planar domains

Thursday 29th October 2020 - Fahran Abedin

Hele-Shaw Flow and Parabolic Integro-Differential Equations

Thursday 22nd October 2020 - Angkana Rüland

Uniqueness, stability and single measurement recovery for the fractional Calderón problem

Thursday 15th October 2020 - Xiangdong Xie

Groups whose left invariant metrics are roughly similar

Thursday 8th October 2020 - Asma Hassannezhad

Eigenvalue bounds for the mixed Steklov problem on surfaces

Thursday 1st October 2020 - Katrin Fässler

Singular integrals on regular curves in the Heisenberg group

Thursday 11th June 2020 - Corentin Le Coz

Separation and isoperimetric profiles

Thursday 4th June 2020 - Ben Sharp

Bubbling and multiplicity analysis for CMC hypersurfaces

Thursday 28th May 2020 - Kevin Hughes

Smoothing properties of spherical maximal functions

Thursday 21st May 2020 - Monica Musso

Gluing methods for vortices in Euler equations

Thursday 14th May 2020 - Panos Papasoglu

Uryson width and volume

Thursday 7th May 2020 - Michael Levitin

Direct and inverse Steklov eigenvalue problem in curvilinear polygons

Thursday 30th April 2020 - Jens Marklof

Kinetic theory for the low-density Lorentz gas

Thursday 23rd April 2020 - Katie Gittins

*POSTPONED* Bounds for Steklov eigenvalues on submanifolds of Euclidean space with prescribed boundary

Thursday 26th March 2020 - Sabine Boegli

Schroedinger operator with non-zero accumulation points of complex eigenvalues

Thursday 5th March 2020 - Ari Laptev

On factorisation of a class of Schrödinger operators

Thursday 20th February 2020 - Heiko Gimperlein

The magnitude function and spectral geometry

Thursday 20th February 2020 - Lucas Ambrozio

Sharp inequalities relating volume and the min-max widths of Riemannian three-spheres

Thursday 13th February 2020 - Emily Dryden

Heat content of polygons

Thursday 6th February 2020 - Nicolas Dirr

Probability and Analysis in multi-scale systems

Thursday 30th January 2020 - Filippo Cagnetti

Optimal Lattice Quantizers and Best Approximation in the Wasserstein Metric

Thursday 23rd January 2020 - Karl-Mikael Perfekt

Plasmonic eigenvalue problem for corners

Thursday 19th December 2019 - Rhiannon Dougall

Measures on the boundary: an application to critical exponents of subgroups of groups acting on Gromov hyperbolic spaces, and amenability

Thursday 12th December 2019 - John Toland

Finitely Additive Measures and Weak Convergence in L-infinity

Thursday 5th December 2019 - Jeffrey Galkowski

The interior behavior of Steklov eigenfunctions

Thursday 21st November 2019 - Dmitry Jakobson

Zero and negative eigenvalues of conformally covariant operators, and nodal sets in conformal geometry

Thursday 14th November 2019 - Spyridon Dendrinos

On maximal functions associated to hypersurfaces in R^{3}with height less than 2

Thursday 7th November 2019 - Soren Mikkelsen

A semiclassical bound on certain commutators

Thursday 31st October 2019 - Alessio Martini

A Fourier integral operator approach to the sub-Riemannian wave equation

Thursday 24th October 2019 - Tom Carroll

Dynamics of weighted composition operators on the Fock space

Thursday 10th October 2019 - Gyula Csato

On fractional Sobolev, Isoperimetric and Poincaré inequalities - *Unusual time!*

Thursday 13th June 2019 - Jose Rodrigo

Results motivated by the the study of the evolution of isolated vortex lines for 3D Euler

Thursday 6th June 2019 - Tom Hutchcroft

Phase transitions in hyperbolic spaces

Thursday 30th May 2019 - Daniel Meyer

Quasispheres and Expanding Thurston maps

Thursday 23rd May 2019 - Emanuel Carneiro

Sobolev and BV regularity for maximal operators

Thursday 2nd May 2019 - Dorin Bucur

Quantitative isoperimetric inequalities for the Robin Laplacian

Thursday 25th April 2019 - Elia Fioravanti

Cross ratios on cube complexes and length-spectrum rigidity

Thursday 4th April 2019 - Ilaria Mondello

Synthetic Ricci lower bounds: new geometric examples

Thursday 28th March 2019 - Gabriel Pallier

On the large-scale sublinear geometry of Heintze spaces

Tuesday 19th March 2019 - Jonathan Hickman

On the convergence of Fourier integrals

Thursday 14th March 2019 - Cristina Benea

On some maximal multilinear operators

Thursday 7th March 2019 - Samuel Colvin

Minimising Hausdorff dimension under Hölder equivalence

Thursday 21st February 2019 - Davoud Cheraghi

Quasi-periodic dynamics in complex dimension one

Thursday 14th February 2019 - Jose Rodrigo

Results motivated by the the study of the evolution of isolated vortex lines for 3D Euler.

Thursday 7th February 2019 - Jose Rodrigo

*POSTPONED* Results motivated by the the study of the evolution of isolated vortex lines for 3D Euler

Thursday 7th February 2019 - Gerasim Kokarev

Conformal volume and eigenvalue bounds: the Korevaar method revisited

Thursday 31st January 2019 - Brian Cook

Equidistribution results for integral points on affine homogenous algebraic varieties.

Thursday 17th January 2019 - Bram Petri

Counting covers and subgroup growth

Thursday 20th December 2018 - Zane Li

A short proof of l^2 decoupling for the parabola

Tuesday 4th December 2018 - Maxime Fortier Bourque

Low index singularities of the systole function - Note Thursday!

Thursday 29th November 2018 - Sebastino Golo

Metric Lie groups and their dilations

Thursday 22nd November 2018 - Silouanos Brazitikos

Quantitative versions of Helly's theorem

Tuesday 13th November 2018 - Andrew Morris

The minimal regularity Dirichlet problem for elliptic PDEs beyond symmetric coefficients - Note Thursday!

Thursday 8th November 2018 - Alexander Girouard

The Steklov and Laplacian spectra of Riemannian manifolds with boundary

Tuesday 30th October 2018 - Frank den Hollander

Exploration on Dynamic Networks - Joint PAD seminar

Tuesday 23rd October 2018 - Francesco Della Pietra

Optimizing the first eigenvalue of some quasilinear operators with respect to boundary conditions

Tuesday 16th October 2018 - Sofia Ortega Castillo

Strong pseudoconvexity in Banach spaces

Tuesday 9th October 2018 - Guido Sweers

On a formula for sets of constant width in 2d

Tuesday 2nd October 2018 - Ana Vargas

The restriction of the Fourier transform to surfaces: the hyperbolic case

Tuesday 12th June 2018 - Dominik Gruber

The (non-)hyperbolic geometry of Gromov's monsters

Tuesday 5th June 2018 - Caroline Terry

A stable arithmetic regularity lemma in finite abelian groups

Tuesday 29th May 2018 - Masato Mimura

The space of marked groups and markings of finite groups

Tuesday 22nd May 2018 - Ken Stephenson

Conformal Tilings of the Plane: Foundations, Theory, and Practice

Tuesday 8th May 2018 - Ben Jaye

Reflectionless measures for singular integral operators - Note unusual time & date

Thursday 3rd May 2018 - Lucia Scardia

Equilibrium measures for nonlocal energies: The effect of anisotropy

Tuesday 1st May 2018 - Andrea Mondino

Some smooth applications of non-smooth Ricci curvature lower bounds

Tuesday 24th April 2018 - Marissa Loving Yu

Least dilatation of pure surface braids (NB: Unusual day & time!)

Thursday 19th April 2018 - Kajal Das

Invariance of conformal dimension under L^{p}-OE for some hyperbolic Coxeter groups

Tuesday 17th April 2018 - Arick Shao

On Geometric Carleman Estimates and Controllability of Waves

Monday 19th March 2018 - Hiroaki Aikawa

Capacitary width and its applications to parabolic and elliptic boundary behavior

Tuesday 13th March 2018 - Suresh Eswarathasan

$L^p$ restriction of eigenfunctions to random Cantor-type sets

Tuesday 6th March 2018 - Jonas Azzam

Absolute continuity and rectifiability of measures via Wasserstein distance

Tuesday 27th February 2018 - Dorin Bucur

Maximization of Neumann eigenvalues

Tuesday 20th February 2018 - Bruno Colbois

Geometrical aspects of the Steklov problem

Tuesday 30th January 2018 - Antoine Choffrut

Outlook on Lambda-convexity

Tuesday 23rd January 2018 - Stefan Steinerberger

Universal Limitations of Generalized Spherical Designs

Thursday 11th January 2018 - Jingyin Huang

The asymptotic geometry of 2-dimensional Artin groups

Tuesday 12th December 2017 - Andrea Mondino

*cancelled* Some smooth applications of non-smooth Ricci curvature lower bounds

Monday 11th December 2017 - Romain Tessera

A quantitative version of Gromov's theorem

Tuesday 5th December 2017 - Matías Carrasco Piaggio

Dimension drop of the harmonic measure for some hyperbolic random walks

Tuesday 28th November 2017 - Anna Siffert

Existence of metrics maximizing the first eigenvalue on closed surfaces

Tuesday 21st November 2017 - Veronique Fischer

Local and global symbols for operators on the torus and any compact Lie group

Tuesday 14th November 2017 - Juan Souto

Harmonic extensions of quasi-regular maps

Tuesday 7th November 2017 - Matteo Perugini

Rigidity of equality cases in perimeter inequality for spherical symmetrization

Tuesday 31st October 2017 - Viveka Erlandsson

Geodesic currents and counting curves

Tuesday 24th October 2017 - Bernd Kawohl

On buttons and balls that cannot run away

Monday 16th October 2017 - Stefan Buschenhenke

Non-linear Brascamp-Lieb inequalities

Tuesday 10th October 2017 - Nunzia Gavitone

On functionals involving the torsional rigidity related to some classes of nonlinear operators

Tuesday 3rd October 2017 - Holly Krieger

Height functions in complex dynamics

Monday 22nd May 2017