- Matthew Tointon

Phase transition for percolation on finite vertex-transitive graphs

Tuesday 29th September 2020, 11:00 am – 12:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar and Bristol Probability Seminar mailing lists, the week before the seminar. - Olof Sisask

Breaking the logarithmic barrier in Roth's theorem

Tuesday 6th October 2020, 11:00 am – 12:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar and Heilbronn Number Theory Seminar mailing lists, the week before the seminar. - Angelica Pachon

On preferential attachment models and continuous time Markov processes

Tuesday 13th October 2020, 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. - Alexey Pokrovskiy

Rota's Basis Conjecture holds asymptotically

Tuesday 20th October 2020, 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. - David Hume

Tuesday 27th October 2020, 11:00 am – 12:00 pm

Virtual (online) Zoom seminar; a link will be sent to the Bristol Combinatorics Seminar and Bristol Algebra & Geometry Seminar mailing lists, the week before the seminar. - Hassan Izanloo

The volume and the Ehrhart polynomial of the alternating sign matrix polytope

Tuesday 3rd November 2020, 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. - Noam Lifshitz

Tuesday 10th November 2020, 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:

- Hassan Izanloo

[Postponed until further notice due to COVID-19 outbreak.] The volume and the Ehrhart polynomial of the alternating sign matrix polytope

Tuesday 5th May 2020 - Angelica Pachon

[Postponed until further notice due to COVID-19 outbreak.]

Tuesday 28th April 2020 - James Aaronson

CANCELLED

Tuesday 21st April 2020 - George Shakan

[POSTPONED UNTIL FURTHER NOTICE] (An analytic approach to Sumsets)

Tuesday 24th March 2020 - Candida Bowtell

[POSTPONED UNTIL FURTHER NOTICE] (Matchings in $k$-partite $k$-graphs)

Tuesday 17th March 2020 - Ehud Friedgut

Five and a half proofs of one theorem

Tuesday 10th March 2020 - Julian Sahasrabudhe

On Combinatorial discrepancy and an old problem of J.E. Littlewood

Tuesday 3rd March 2020 - Imre Leader

Decomposing the Complete r-Graph

Friday 28th February 2020 - Audie Warren

Affine group energy

Tuesday 25th February 2020 - Carla Groenland

Reconstruction from a partial deck of cards

Tuesday 18th February 2020 - Sarah Peluse

Bounds in the polynomial Szemer\'edi theorem

Tuesday 11th February 2020 - Eoin Long

Distinct degrees in induced subgraphs

Tuesday 4th February 2020 - Steven Noble

Counting delta-matroids

Tuesday 28th January 2020 - Laura Eslava

Branching processes with merges and locality of hypercube’s critical percolation

Tuesday 21st January 2020 - Nick Gill

Some interesting statistics concerning finite primitive permutation groups

Tuesday 17th December 2019 - Ben Barber

Stable isoperimetry in lattice-like graphs

Tuesday 10th December 2019 - Nóra Frankl

On the number of discrete chains in the plane

Tuesday 3rd December 2019 - David Ellis

Families of permutations with a forbidden intersection

Tuesday 26th November 2019 - Alex Fink

Tutte characters for combinatorial coalgebras

Tuesday 19th November 2019 - Iain Moffatt

From graph duals to matrix pivots: a tour through delta-matorids

Tuesday 12th November 2019 - Nick Brettell

On excluded-minor characterisations of representable matroids

Tuesday 5th November 2019 - Ben Smith

Staircases and tropical polyhedra

Tuesday 29th October 2019 - Thomas Johnston

Lipschitz bijections between boolean functions

Tuesday 22nd October 2019 - Borys Kuca

Polynomial Szemeredi theorem

Tuesday 15th October 2019 - Maura Paterson

Authentication codes and related structures

Tuesday 8th October 2019 - Maryam Sharifzadeh

Asymptotic Structure for the Clique Density Theorem

Tuesday 1st October 2019 - Anthony Nixon

Global rigidity of linearly constrained frameworks

Tuesday 24th September 2019 - Thomas Bloom

Tuesday 18th June 2019 - Thomas Bloom

Thursday 13th June 2019 - Robert Fraser

Large Sets Avoiding Polynomial Configurations

Tuesday 30th April 2019 - Alberto Espuny Díaz

Resilient degree sequences with respect to Hamiltonicity in random graphs

Tuesday 2nd April 2019 - Rachel Kirsch

Many cliques with no large stars

Tuesday 26th March 2019 - Matthew Coulson

Rainbow Hamilton Cycles in Dirac Graphs

Tuesday 19th March 2019 - Akos Magyar

Geometric Ramsey theory on the integer lattice

Tuesday 12th March 2019 - William Raynaud

Smallest cyclically covering subspaces of F_q^n

Tuesday 5th March 2019 - Natalie Behague

Semi-perfect 1-Factorizations of the Hypercube

Tuesday 26th February 2019 - Mykhaylo Tyomkyn

The Brown-Erdős-Sós conjecture in groups

Tuesday 19th February 2019 - Johannes Carmesin

Embedding simply connected 2-complexes in 3-space

Tuesday 5th February 2019 - Yani Pehova

Decomposing graphs into edges and triangles

Tuesday 29th January 2019 - Katherine Staden

The bandwidth theorem for locally dense graphs

Tuesday 18th December 2018 - Matthew Aldridge

Group testing in the linear regime

Tuesday 11th December 2018 - David Conlon

Tuesday 27th November 2018 - Aled Walker

Kneser's theorem and primes in arithmetic progressions, or 'A little combinatorics goes a long way'

Tuesday 20th November 2018 - Viktor Zamaraev

On forbidden induced subgraphs for unit disk graphs

Tuesday 6th November 2018 - Kevin Grace

Templates for Representable Matroids

Tuesday 9th October 2018 - Christian Konrad

Streaming Algorithms for Matchings

Tuesday 2nd October 2018 - Joshua Erde

Bounding the cop number of a graph by its genus

Tuesday 18th September 2018 - George Shakan

On new sum-product inequalities for small sets

Tuesday 4th September 2018 - Taísa Martins

Step Sidorenko property and non-norming edge-transitive graphs

Tuesday 29th May 2018 - Andrey Kupavskii

The Erdos Matching Conjecture and related questions.

Tuesday 1st May 2018 - Konrad Swanepoel

Ordinary hyperplanes and space curves

Tuesday 17th April 2018 - Gabriel Conant

VC-dimension, pseudofinite groups, and arithmetic regularity

Friday 13th April 2018 - Andrew Treglown

Some results on sums in the integers

Tuesday 27th March 2018 - Michelle Delcourt

On the List Coloring Version of Reed's Conjecture

Friday 9th March 2018 - Ilya Shkredov

Tuesday 6th March 2018 - Jonathan Noel

Reconfiguring Graph Colourings and Homomorphisms

Tuesday 6th February 2018 - Ben Barber

Isoperimetry in integer lattices

Tuesday 30th January 2018 - Misha Rudnev

Tuesday 12th December 2017 - Julia Wolf

Tuesday 5th December 2017 - Maryam Sharifzadeh

On the maximum number of integer colourings with forbidden monochromatic sums

Tuesday 28th November 2017 - Jonathan Bennett

The Kakeya-Brascamp-Lieb inequality

Tuesday 21st November 2017 - Sean Prendiville

Rado's criterion over higher powers.

Tuesday 7th November 2017 - Dmitry Zhelezov

Tuesday 31st October 2017 - Brendan Murphy

Solymosi's conjecture for rich lines in general position

Tuesday 24th October 2017 - Laura Mancinska

Relaxations of Graph Isomorphism

Tuesday 30th May 2017