Talks | Jamie Walton

2025

8 Sep, 2025 Durham University

Substitutions, cut and projects and both

26 Jul, 2025 MacEwan University

Hierarchy and cut and project sets

24 Jun, 2025 University of Exeter

2024

Cut and project sets: complexity, repetitivity and self-similarity

14 Nov, 2024 Queen Mary University of London

Cut and projects, substitutions and patterns that are both

25 Apr, 2024 University of Bristol

When is a polytopal cut and project set a substitution pattern?

26 Mar, 2024 University of Derby

2023

Aperiodic Order and linear repetitivity of cut and project sets

20 Nov, 2023 University of Manchester

The road to a geometric nonperiodic monotile

31 Aug, 2023 MFO, Oberwolfach

Hexagonal Aperiodic Tilings

21 Jul, 2023 Oxford University

Aperiodic Tilings

26 Apr, 2023 Loughborough University

2022

Substitutions over compact alphabets

8 Sep, 2022 MacEwan University, Edmonton, Canada

Characterising linear repetitivity for polytopal cut and project sets

29 Jun, 2022 The Open University

Substitutions over infinite alphabets and unique ergodicity

15 Jun, 2022 Exeter University

Aperiodic Order and Linear Repetitivity of Polytopal Cut and Project Sets

17 May, 2022 Warwick University

Substitution tilings

16 May, 2022 Warwick University

Substitutions on infinite compact alphabets

26 Apr, 2022 Université de Picardie Jules Verne (online, via Zoom)

Compact substitutions

26 Jan, 2022 Open University, Milton Keynes (online, via Zoom)

2021

Extending the theory of symbolic substitutions to compact alphabets

7 Dec, 2021 Online seminar (via Zoom)

Substitutions on compact alphabets

30 Apr, 2021 Bielefeld University, Germany (via Zoom)

Linear repetitivity for polytopal cut and project sets

17 Apr, 2021 Ritsumeikan University, Japan (via Zoom)

2020

Aperiodic Order: The Mathematics of Systems of Approximate Symmetry

22 Oct, 2020 Cardiff University, United Kingdom (via Zoom)

2019

Aperiodic order: C*-algebras and tiling spaces

5 Nov, 2019 Newcastle University, United Kingdom

Homotopical tools for analysing approximate symmetry

10 Oct, 2019 University of St Andrews, United Kingdom

Topological invariants for aperiodic patterns

16 Sep, 2019 University of Warwick, United Kingdom

Polytopal cut and project sets: complexity and repetitivity

6 Sep, 2019 University of Bielefeld, Germany

Constructing aperiodicity

1 Aug, 2019 University of Vienna, Austria

A homotopical approach to symmetries of aperiodic patterns

8 Apr, 2019 Aix Marseille Université, France

2018

On the topology of rotational tiling spaces

8 Dec, 2018 University of Bielefeld, Germany

Tiling spaces and tiling C*-algebras

18 Oct, 2018 University of Glasgow, United Kingdom

The topology of aperiodic order

16 Oct, 2018 The University of Glasgow, United Kingdom

Tools for investigating recurrence properties of polytopal cut and project schemes

7 Oct, 2018 Korean Institute for Advanced Study (KIAS), Seoul, South Korea

Linear repetitivity for polytopal cut and project sets

5 Oct, 2018 COEX Convention Center, Seoul, South Korea

Resurrecting the space group of an aperiodic pattern

8 Jun, 2018 International Centre for Mathematical Sciences (ICMS), Edinburgh, United Kingdom

2017

Moduli spaces of patterns and their cohomology

2 Oct, 2017 Durham University, United Kingdom

Topological invariants of substitution tilings and rotations

30 Sep, 2017 University of Vienna, Austria

Linear repetitivity of cut-and-project sets

21 Jun, 2017 Lorentz Center, Leiden, The Netherlands

Topological methods in aperiodicity (mini-course)

7 Jun, 2017 University of Vienna, Austria

Aperiodic order, number theory and topology

27 Feb, 2017 Durham University, United Kingdom

Visualising and computing invariants of patterns via pattern-equivariant Poincaré duality

24 Jan, 2017 SDU, Odense, Denmark

2016

Hierarchical tilings and their hulls

22 Jun, 2016 Cal Poly, San Luis Obispo, United States

Aperiodic order and number theory

20 May, 2016 University of York, United Kingdom

2015

Pattern equivariant cohomology (Arbeitsgemeinschaft)

5 Oct, 2015 MFO, Oberwolfach, Germany

Patch frequencies for cut-and-project sets

24 Jun, 2015 NUI, Galway, Ireland

Frequency spectrums of cut-and-project sets

13 Jan, 2015 Henry B. Gonzalez Convention Center, San Antonio, United States

A spectral sequence for the cohomology of rotational tiling spaces

6 Jan, 2015 University of Leicester, United Kingdom

2014

Patch frequencies for cut-and-project sets & Diophantine approximation

9 Dec, 2014 University of Leicester, United Kingdom

Poincaré duality for pattern-equivariant (co)homology

26 Mar, 2014 The Open University, Milton Keynes, United Kingdom

2013

Topological Invariants of Tiling Spaces

16 Dec, 2013 University of Sheffield, United Kingdom