Sibylle Schroll

I'm a Professor of Mathematics at the University of Cologne. 

Former editorial activities: 

• Managing Editor for Bulletin of the LMS

Current postdocs and PhD students

Dr Severin Barmeier (postdoc 2021 - 2026)

Dr Kyoungmo Kim (postdoc 2024-2027)

Dr Calvin Pfeifer (postdoc 2024-2027)

Xiaofa Chen (postdoc 2025-2028)

Xiuli Bian (visiting PhD student 2024-2026 - supervisor Guodong Zhou)

Can Wen (visiting PhD student 2024-2026 - supervisor Yuming Liu)

Xiaochuang Wang (visiting PhD student 2025-2026 - supervisor Xiao-Wu Chen)

Max Kaipel (PhD started in 2022)

Former Postdocs: 

Dr Erlend Borve (postdoc 2024 now postdoc in Graz)

Dr Lang Mou (postdoc 2023-2024) 

Dr Haibo Jin (postdoc 2021-2023 now assitant professor at ECNU, Shangay, China) 

Dr Jose Vivero (postdoc 2022)

Dr Karin Jacobsen (project IDUN 2020-2022)

Dr Yadira Valdivieso-Diaz (Royal Society Newton Fellow and Marie Curie Fellow  2019-2022, now at Puebla, Mexico)

Dr Hipolito Treffinger (postdoc 2017-2020, now assistant  professor at the University of Buenos Aires)

Dr Ilke Canakci (postdoc 2013-2015, now associate professor at VU Amsterdam)

Johanne Haugland (project IDUN 2020-2022, now postdoc at NTNU, Norway) 

Harvard Terland (2022, PhD Student, NTNU, Norway)

Former PhD students:

Nick Williams (PhD completed in 2022, now postdoc at Lancaster, UK)

Aran Tattar (PhD completed in 2022)

Drew Duffield (PhD completed in 2017, now postdoc at Durham, UK)

Alex Sierra (PhD completed in 2017, now at Universidade Federal do Pará -UFPA, Brazil)

Yiyu Li (2022-2023, PhD Student, Sichuan, China)

Visitors:  (from 2025)

Kyungmin Rho (March-April 2025)

Odysseas Giatagantzidis (March 2025) 

Yuki Kanakubo (March 2025)

Kai Meng Tan (May 2025) 

Fan Li (May 2025) 

Conferences and workshops I'm organising: 

• Advances in Representation Theory of Algebras, ARTA, 1-5 September 2025, Cologne, Germany. 

• Flashtalks in Representation Theory V, 10 January 2025, Trondheim, Norway.

• Cologne Representation Theory Day 2, 1 October 2024, Cologne, Germany 

• Flashtalks in Representation Theory IV, 5 January 2024, Trondheim, Norway.

• Representation Theory in Cologne, 8-9 December 2023, Cologne, Germany.

•  Cologne Representation Theory Day, 17 October 2023, Cologne, Germany.  

• τ-Research School, 5-8 September 2023, Cologne, Germany. 

• Combinatorial Aspects of Representation Theory, Institute for Advanced Studies,  27-31 March 2023, Oslo, Norway. 

• Crossroads of geometry, representation theory and higher structures, CIMPA Research School, 13-24 March 2023, Puerto Madryn, Argentina. 

• ARTIG, Algebras and Representation Theory in Germany Meeting, 27-28 January 2023, Cologne, Germany. 

• Flashtalks in Representation Theory III, 6 January 2023, Trondheim, Norway.

• Quivers, representation theory and physics, 7-9 September 2022, Cologne, Germany. 

• Flashtalks in Representation Theory II, 4 January 2022, Trondheim, Trondheim, Norway.

• Summer Research School: Topological Fukaya categories of surfaces with stops via gentle algebras, 25-27 August 2021, Cologne - online. 

• Cluster Algebras and Representation Theory, Semester-Programme at the Isaac Newton Institute, Sept-Dec 2021, Cambridge, UK.

• Hochschild (Co)homology in Algebra, Geometry and Topology - in honour of Andrea Solotar, 14-18 June 2021, Mittag-Leffler Institute, Stockholm, Sweden - cancelled. 

• Flashtalks in Representation Theory I, 8 January 2021, Trondheim , Norway.

• LMS Autumn Algebra School 2020  online 21-25 September 2020 and 5-9 October 2020 organised by David Jordan (Edinburgh), Nadia Mazza (Lancaster) and Sibylle Schroll (Leicester) with support from ICMS. Recordings of all talks are here. 

• Hochschild cohomology as a Lie algebra, workshop, 1-4 September 2020, Leicester.  Postponed due to COVID. 

• Interactions between Representation Theory and Homological Mirror Symmetry, 7-10 May 2019, Leicester, UK. 

• LMS Regional Meeting and workshop, Galois covers, Grothendieck-Teichmüller theory and dessins d'enfants, 4-7 June 2018, Leicester, UK.

• EMSG East Midlands Seminar in Geometry, 14 December 2017, Leicester, UK. 

• LMS/CMI research school: "New trends in representation theory: the impact of cluster theory on representation theory" 19-23 June 2017 at the University of Leicester, UK.

• Workshop on Cluster Algebras and Finite Dimensional Algebras, 3 - 5 June 2015 at the University of Leicester, UK.

• Special 63rd BLOC Meeting: Oxford, 17-18 October 2013. This meeting is on the occasion of Karin Erdmann's 65th birthday.

• 62th BLOC/REPNET meeting, 10 July 2013, Leicester, UK.

• 60th BLOC/ARTIN meeting, satellite meeting to BMC 2013, 25 March 2013, Sheffield, UK.

• Workshop on geometry, representation theory and clusters, 21-23 June 2012, Leicester, UK.

• 50th BLOC/REPNET meeting, 9-10 September 2010, Leicester, UK.

• 46th BLO/REPNET meeting, 1-2 July 2009, Leicester, UK.

Upcoming and recent talks I have given:

• 6 hour lecture course on gentle algebras and wrapped Fukaya categories of surfaces, research school, Norway. 

• Oberwolfach, January 2023, Oberwolfach, Germany. 

• ARTA, September 2022, Torun, Poland.

• Geometric and Combinatorial Methods in Homological Algebra, 20-22 July 2022, Aarhus, Danemark. 

• Colloquium Talk, April 2022, Montreal, Canada, Online.

• Colloquium Talk, April 2022, Syracuse, USA, Online. 

• XXVIII Encuentro Rioplatense de Álgebra y Geometría, 1-3 December 2021, La Plata, Argentina.

• A conference in celebration of the work of Bill Crawley-Boevey, 1-10 September 2021, Online. 

• Braids, mutations and twists in algebra and geometry, 31 May-4 June 2021, Uppsala, Sweden. 

• Advances in Representation Theory of Algebras, Conference in Honor of Andrzej Skowroński, 17-28 May 2021, Online. 

• AMS Spring Western Sectional Meeting, Categorical and Combinatorial Methods in Representation Theory, 1-2 May 2021, Online. 

• XIX International Conference on Representations of Algebras (ICRA 2020), (3 workshop lectures), 9-27 November 2020, Trieste, Italy (now online). 

• Fourth International Colloquium on Representations of Algebras and Its Applications; Alexander Zavadskij, 4-6 November 2020, Bogota, Colombia (now online) Slides

• Connections between Representation Theory and Geometry Winter School (3 lectures), Hausdorff Institute Trimester Programme, 12-16 October 2020, Bonn, Germany. (ONLINE: videos of the lectures)

• Dimers in algebraic combinatorics and cluster algebras 2020, 3-14 August 2020, Michigan, USA. (ONLINE: video of the talk) 

• McKay Correspondence, mutation and related topics, Fridays 17 July - 14 August 2020, IPMU Kavli, Japan. (ONLINE: video of the talk)

• Combinatorics of Moduli Spaces, Cluster Algebras and Topological Recursion, 1-6 June 2020, Moscow, Russia.Postponed due to COVID. 

• Minicourse on 'Surfaces in Representation Theory' in the Program on Representations of Lie Algebras, 4-11 January 2020, Chengdu, China. 

• Integrable Systems Days, 29 November 2019, Loughborough.  

• Algebraic Representation Theory and related topics, 7-11 October 2019, Sanya, China.  

• Representation Theory in Bielefeld – Past and Future, 24-26 September 2019, Bielefeld, Germany. 

• Journeés du GDR: algebraic and geometric Lie theory, 29-30 August, 2019, Tours, France. 

• XXIII Coloquio Latinoamericano de Algebra,  5-9 August, 2019, Mexico City 

• Cluster Algebras and Mirror Symmetry, 15-18 July 2019, Cambridge 

• SIAM Cluster Algebra, 11-12 July 2019, Bern  

• Hochschild Cohomology, 27-31 May 2019, Dublin 

• LMS Regional Meeting, 28 May 2019, Newcastle 

• Loughborough, 27-30 March 2019

• LMS COW network, 20 March 2019, Birmingham

• Montpellier, 21 January 2019

• Glasgow, 13-14 December 2018

• Stability Conditions, 29 October - 2 November 2018, Oaxaca, Mexico

• London Algebra Colloquium, 11 October 2018

• North Carolina State, Raleigh, NC, USA, 7 August 2018

• LMS Postgraduate Meeting at the General Annual LMS Meeting, London, UK, 29 June 2018

• Lecture Series on Multiserial Algebras, CIMPA research school, Medellin, Columbia, 18-27 June 2018

• Stuttgart, 30 May 2018 

• Colloquium Birmingham, 16 May 2018

• Auslander Conference, Woods Hole, USA, 25 - 30 April 2018

• Kent, 2 February 2018

• Ada Lovelace Day, Warwick, 18 October 2017

• Royal Holloway, London, 11 October 2017

• ARTA, Luminy, France, 4-8 September 2017

• 20 year Anniversary BLOC Meeting, Oxford, 23-24 August 2017

• LMS summer school, Manchester, 20 July 2017

• LMS Women in Mathematics Day 2017, Warwick, 27 June 2017

• Auslander Conference, Woods Hole, USA, 26 April - 1 May 2017

• Bristol, Seminar, 29 March 2017

• Conference in Representation Theory of the Americas, Vitoria do Espirito Santo, Brazil, March 13-17 2017

• Mathematics Colloquium, Auburn University, USA, November 2016

• Mathematics Colloquium, University of Kent, October 2016

• Algebra Seminar, Trondheim, Norway, September 2016

• Graz Algebra Seminar, Austria, 16 June 2016 

• Bonn, Germany, 3 June 2016 

• Oxford Algebra Seminar, 26 April 2016

• East Anglia Pure Mathematics Research Seminar, 18 April 2016

• Cardiff Pure Maths Colloquium, 14 April 2016 

• Workshop on Brauer Graph Algebras, 20-24 March 2016, University of Stuttgart, Germany. 

• CIMPA School, Homological Methods, Representation Theory and Cluster Algebras, 7-18 March 2016, Mar del Plata, Argentina

Miscellaneous:

• Cologne Algebra and Representation Theory Seminar

• Longitudinal Algebra and Geometry Open ONline Seminar - LAGOON

• Working Seminar in Algebra and Geometry

• Exhibition 'Women of Mathematics' in Leicester from 8-14 March 2017, exhibition opening with talks on 8 March. 

• BLOC Meetings

Need a letter of recommendation? Please read this.

Miscellaneous

Appearances on BBC Radio Leicester:

• Interview 'At what age should we start learning mathematics', 20 February 2017 - Listen in starting at 2:21:15

• Talk Show 'All about π', September 2013

• Talk Show 'Women in Mathematics', May 2013

Women in Mathematics

• International Women in Science Day: project IDUN is promoting women mathematics through research: Click here for our 2021 International Women in Science Day Video. 

• Why are there so few women professors in mathematics? BBC radio 4 Women's Hour 

• Why are there so few women in mathematics (The Atlantic) 

• The guardian on the subject: Helen Powell and Lucy Ward

• Why women leave academia (The Guardian)

• Why don’t females compete in international math olympiads at the same rate as their male classmates? (The Atlantic)

• Detexify: finding Latex symbols

• Gentle Algebras App by Jan Geuenich

• Quiver Mutation App by Bernhard Keller 

• Tikz App https://q.uiver.app/

• https://kerodon.net/

See here for my NTNU Trondheim webpage.  

• • URL: http://tinyurl.com/Schroll

  • http://tinyurl.com/blocmeetings

Publications and Preprints

If you are intending to ask me for a letter of recommendation, read this

Site views https://clustrmaps.com/site/1b4in

https://www.editpad.org/tool/poem-generator

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