Christoforos Neofytidis

   About

    Academic Positions

• The Ohio State University, Columbus, United States
  Visiting Assistant Professor, since Jan 2020
• University of Geneva, Switzerland
  Swiss NSF Research Fellow, Sep 2017-Dec 2019
• State University of New York (SUNY) at Binghamton, United States
  Robert Riley Assistant Professor, Sep 2014-Aug 2017

• IHES, France, May-July 2023
• University of Geneva, Switzerland, July 2021 & June 2022
• MPIM Bonn, Germany, May-June 2021
• IHES, France, Sep 2019
• CUNY Graduate Center, United States, Feb 2019
• IHES, France, Sep/Oct 2018
• Peking University, China, June 2016
• IHES, France, June/July 2015

    Education

• Ludwig Maximilians University of Munich, Germany
  Ph.D. in Mathematics, 2014
• University of Bonn & Hausdorff Research Institute for Mathematics, Germany
  Visiting Graduate Student, Sep 2008-July 2009
• University of Cyprus, Nicosia, Cyprus
  B.Sc. in Mathematics & M.Sc. in Pure Mathematics, 2007 & 2010

   Publications and Preprints

• On the realisation problem for mapping degree sets
  (with H. Sun, Y. Tian, S. Wang and Z. Wang), Proc. Amer. Math. Soc. (to appear).

• Topological complexity, asphericity and connected sums
  Preprint: arXiv:2212.08962.

• Geometric structures in Topology, Geometry, Global Analysis and Dynamics
  Preprint: arXiv:2211.06803.

• Realising sets of integers as mapping degree sets
  (with S. Wang and Z. Wang), Bull. Lond. Math. Soc. (to appear).
  Published version

• Endomorphisms of mapping tori
  Preprint: arXiv:2010.12490.

• Geometric structures, the Gromov order, Kodaira dimensions and simplicial volume
  (with W. Zhang), Pacific J. Math. 315 (2021), 209--233.
  Published version

• Anosov diffeomorphisms on Thurston geometric 4-manifolds
  Geom. Dedicata 213 (2021), 325--337.
  Published version

• The simplicial volume of mapping tori of 3-manifolds
  (with M. Bucher), Math. Ann. 376 (2020), 1429--1447.
  Published version

• Virtual Betti numbers of mapping tori of 3-manifolds
  Math. Z. 296 (2020), 1691--1700.
  Published version

• Steenrod problem and the domination relation
  (with J.-F. Lafont), Topology Appl. 255 (2019), 32--40.
  Published version

• Anosov diffeomorphisms of products II. Aspherical manifolds
  J. Pure Appl. Algebra 224 (2020), 1102--1114.
  Published version

• On a problem of Hopf for circle bundles over aspherical manifolds with hyperbolic fundamental groups
  Algebr. Geom. Topol. (to appear).

• Sets of degrees of maps between SU(2)-bundles over the 5-sphere
  (with J.-F. Lafont), Transform. Groups 24 (2019), 1147--1155.
  Published version

• Anosov diffeomorphisms of products I. Negative curvature and rational homology spheres
  Ergodic Theory Dynam. Systems 41 (2021), 553--569.
  Published version

• Domination between different products and finiteness of associated semi-norms
  Publ. Mat. 64 (2020), 653--660.
  Published version

• Invariant incompressible surfaces in reducible 3-manifolds
  (with S. Wang), Ergodic Theory Dynam. Systems 39 (2019), 3136--3143.
  Published version

• Ordering Thurston's geometries by maps of non-zero degree
  J. Topol. Anal. 10 (2018), 853--872.
  Published version

• Degrees of self-maps of products
  Int. Math. Res. Not. IMRN 22 (2017), 6977--6989.
  Published version

• Fundamental groups of aspherical manifolds and maps of non-zero degree
  Groups Geom. Dyn. 12 (2018), 637--677.
  Published version

• On stability of non-domination under taking products
  (with D. Kotschick and C. Löh), Proc. Amer. Math. Soc. 144 (2016), 2705--2710.
  Published version

• Branched coverings of simply connected manifolds
  Topology Appl. 178 (2014), 360--371.
  Published version

• On three-manifolds dominated by circle bundles
  (with D. Kotschick), Math. Z. 274 (2013), 21--32.
  Published version

   Recent and Forthcoming Invited talks

• University of Siegen, Algebra seminar, Sep 2022
  
• Second Congress of Greek Mathematicians, Athens, July 2022
  
• University of Geneva, Groups and Geometry seminar, June 2022
  
• Durham University, Colloquium (online), May 2022
  
• University of Halle-Wittenberg, Analysis seminar, May 2022
  
• University of Munich, Geometry seminar, April 2022
  
• Topics in Algebraic and Geometric Topology, AMS Central Meeting, Purdue University (online), Mar 2022
  
• CUNY Graduate Center, Differential Geometry, Topology, and special structures seminar, Mar 2022
  
• University of Glasgow, Colloquium (online), Jan 2022
  
• Aegean-Athens-Crete-Cyprus-Ioannina-Patras-Thessaloniki online Mathematical seminar, Jan 2022
  
  

• University of Southampton, Colloquium (online), Nov 2021
  
• University of Geneva, Groups and Geometry seminar, July 2021
  
• Lyon-Regensburg online seminar on Bounded cohomology and Simplicial volume, June 2021
  
• 54th Spring Topology and Dynamics conference (online), Murray, Kentucky, May 2021
  
• University of Dayton, Colloquium (online), Apr 2021
  
• Ohio State University, Topology seminar (online), Jan 2021
  
  

• University of Marburg, Differential Geometry and Analysis seminar (online), Dec 2020
  
• University of Zurich, Colloquium (online), Nov 2020
  
• CUNY Graduate Center, Geometry and Topology seminar, Mar 2020
  
• Ohio State University, Geometric Group Theory seminar, Jan 2020
  
  

• CUNY Bronx Community College, Colloquium, May 2019
  
• University of Minnesota, Differential Geometry and Symplectic Topology seminar, Apr 2019
  
• Workshop on Riemannian and Simplicial Volume, Karlsruhe, Apr 2019
  
• ETH Zurich, Geometry seminar, Mar 2019
  
• Ohio State University, Topology seminar, Feb 2019
  
• Einstein Chair Mathematics Seminar, CUNY Graduate Center, Feb 2019
  
• Cornell University, Topology and Geometric Group Theory seminar, Jan 2019
  
  

• University of Geneva, Topology and Geometry seminar, Nov 2018
  
• IHES, Mathematics seminar, Sep 2018
  
• University of Cyprus, Colloquium, Aug 2018
  
• University of Fribourg, Geometry seminar, May 2018
  
• Cornell University, Topology and Geometric Group Theory seminar, Feb 2018
  
• Ohio State University, Geometric Group Theory seminar, Feb 2018
  
  

• University of Warwick, Symposium seminar on Geometry, Topology and Dynamics in Low Dimensions, Nov 2017
  
• University of Geneva, Groups and Geometry seminar, Nov 2017
  
• University of Minnesota, Differential Geometry and Symplectic Topology seminar, May 2017
  
• National University of Ireland at Maynooth, Colloquium, Apr 2017
  
• 51st Spring Topology and Dynamics conference, Jersey City, New Jersey, Mar 2017
  
  

• Peking University, Topology seminar, June 2016
  
• SUNY Binghamton, Geometry and Topology seminar, Apr 2016
  
• 50th Spring Topology and Dynamics conference, Waco, Texas, Mar 2016
  
• University of Geneva, Groups and Geometry seminar, Jan 2016
  
  

• University of Athens, Geometry seminar, June 2015
  
• University of Cyprus, Colloquium, May 2015
  
• University of Chicago, Geometry/Topology seminar, May 2015
  
• Ohio State University, Geometric Group Theory seminar, May 2015
  
• Caltech, Geometry and Topology seminar, Apr 2015
  
• Geometric Topology workshop, Oberwolfach, Jan 2015
  
  

• SUNY Binghamton, Geometry and Topology seminar, Nov 2014
  
• Cornell University, Topology and Geometric Group Theory seminar, Sep 2014
  
• Geometric Topology conference, Bilbao, July 2014
  
• University of Pisa, Geometry seminar, Jan 2014
  
  

• University of Fribourg, Colloquium, Nov 2013
  
• Marseille University, Algebra, Dynamics and Topology seminar, Oct 2013
  
• University of Cyprus, Colloquium, Sep 2013
  
• University of Munich, Geometry seminar, July 2013
  
• University of Regensburg, Geometry and Global Analysis seminar, May 2013

   Teaching Spring 2023

• Linear Algebra and Differential Equations for Engineers (Math 2174); see CARMEN