# Prof. Alexander Ritter

Associate Professor in Geometry

The Roger Penrose Fellow and Tutor in Mathematics, Wadham College

2022-2023 on sabbatical leave at Stanford

- Geometry
- Geometry and Representation Theory
- Homological Mirror Symmetry

**Address**

Mathematical Institute

University of Oxford

Andrew Wiles Building

Radcliffe Observatory Quarter

Woodstock Road

Oxford

OX2 6GG

*Benedetti, G*

*Ritter, A*

*International Journal of Mathematics*

*volume 31*

*issue 9*

*(30 Jul 2020)*

*Ritter, A*

*Geometry and Topology*

*volume 20*

*issue 4*

*1941-2052*

*(15 Sep 2016)*

*Ritter, A*

*Smith, I*

*Selecta Mathematica*

*volume 23*

*issue 1*

*533-642*

*(09 Aug 2016)*

*Ritter, A*

*Advances in Mathematics*

*volume 262*

*1035-1106*

*(10 Sep 2014)*

*Ritter, A*

*Journal of Topology*

*volume 6*

*issue 2*

*391-489*

*(17 Jan 2013)*

*Ritter, A*

*Geometric and Functional Analysis*

*volume 20*

*issue 3*

*779-816*

*(01 Sep 2010)*

*Ritter, A*

*Geometry and Topology*

*volume 13*

*issue 2*

*943-978*

*(08 Jan 2009)*

*McLean, M*

*Ritter, A*

*Journal of Differential Geometry*

Symplectic topology, Homological Mirror Symmetry, Floer theory, Gromov-Witten theory.

Novikov-symplectic cohomology and exact Lagrangian embeddings, Geometry & Topology 2009.

Deformations of symplectic cohomology and exact Lagrangians in ALE spaces, GAFA 2010.

Topological quantum field theory structure on symplectic cohomology, Journal of Topology 2013.

Floer theory for negative line bundles via Gromov-Witten invariants, Advances in Mathematics 2014.

Circle-actions, quantum cohomology, and the Fukaya category of Fano toric varieties, Geometry and Topology 2016.

The monotone wrapped Fukaya category and the open-closed string map, Selecta Mathematica 2017 (joint work with Ivan Smith).

Invariance of symplectic cohomology and twisted cotangent bundles over surfaces, International Journal of Mathematics, 2020 (joint work with Gabriele Benedetti)

The McKay correspondence for isolated singularities via Floer theory, Journal of Differential Geometry, to appear 2023 (joint work with Mark McLean)

Symplectic C*-manifolds I: Filtration on Quantum Cohomology, 2023 (joint work with Filip Živanović)

Symplectic C*-manifolds II: Morse-Bott-Floer Spectral Sequences, 2023 (joint work with Filip Živanović)

Wadham College, Parks Road, Oxford OX1 3PN, England.

2009-2013 Junior Research Fellow, Trinity College, Cambridge.

2019 Co-Investigator on the EPSRC standard grant EP/T012749/1: 3-year grant, £643K, PI: Dominic Joyce, Co-Investigator: Jason Lotay.

2022-2023 Visiting Associate Professor of Mathematics, Stanford University

HT2022: C2.6 Introduction to Schemes

MT2021: C3.1 Algebraic Topology

HT2021: C2.6 Introduction to Schemes

MT2020: C3.1 Algebraic Topology

HT2020: C2.6 Introduction to Schemes

MT2019: C3.1 Algebraic Topology

MT2018: C3.4 Algebraic Geometry

MT2018: B3.2 Geometry of Surfaces

MT2017: C3.4 Algebraic Geometry

MT2017: B3.2 Geometry of Surfaces

MT2016: C3.4 Algebraic Geometry

MT2016: B3a Geometry of Surfaces

MT2015: C3.4 Algebraic Geometry

MT2015: B3a Geometry of Surfaces

HT2015: C3.4b Lie Groups

MT2014: B3a Geometry of Surfaces

Summer 2014: Lectures on Geometry, Topology, and Penrose Tilings (Oxford Masterclasses)

HT2014: C3.4b Lie Groups

MT2013: Graduate Course, Morse Homology

HT2013: C3.4b Lie Groups