Dimitrios Tsagkarogiannis

Senior Lecturer
Department of Mathematics
University of Sussex,
Pevensey 2 Building, University of Sussex
Falmer Campus, Brighton BN1 9QH, UK

Room: Pevensey 3, 5c14
email: D.Tsagkarogiannis (AT) sussex.ac.uk
Tel: +44 (0)1273 876824
Fax: +44 (0)1273 678097

Seminars and Workshops

  • The MASS (Maths and Applications Sussex Seminar)
  • Cluster expansions: From Combinatorics to Analysis through Probability, Oberwolfach Mini-Workshop, 5-11 February 2017.
  • Mathematical and Computational Modeling of Complex Molecular Systems, University of Crete, 16-18 September, 2015.
  • New Perspectives in Analysis and Probability, University of Sussex, 2-6 March 2015.
  • Intensive research week: Calculus of Variations, Geometric Analysis & PDEs
    Department of Mathematics, University of Sussex, 24 - 28 March 2014.
  • Mini-symposium on ''Phase Transitions'', International Conference on Applied Mathematics,
    September 16 - 20, 2013, Heraklion, Greece.
  • Kinetic Description of Multiscale Phenomena , Heraklion, Crete, June 17 – 28, 2013.

    People

  • Stephen James Tate , Post-doc, University of Sussex (recipient of an LMS postdoctoral mobility grant).
  • Panagiota Birmpa , PhD student, University of Sussex (started Sep. 2014).
  • Elena Pulvirenti , Post-doc, University of Crete (May-September 2013), currently at Bonn.
  • Research topics

    Mathematical statistical mechanics: phase transitions, non-equilibrium systems.
    Coarse-graining methods for stochastic systems, nonlocal PDE's.
    Large Deviations and Scaling Limits for Interacting Particle Systems.

    Short CV

  • Diploma in Electrical and Computer Engineering, National Technical University of Athens, 1999.
  • PhD in Mathematics, University of Massachusetts, Amherst, August 2005.
  • Post-doctoral associate: Max Planck Institute for Mathematics in the Sciences, Leipzig, 2005 - 2008.
  • Marie Curie Researcher, Università degli Studi di Roma "Tor Vergata", 2008 - 2011.
  • Post-doc, Hausdorff Center for Mathematics, University of Bonn, 2011 - 2012.
  • Assistant professor, Department of Applied Mathematics, University of Crete, 2012 - 2013.
  • Lecturer Β, Department of Mathematics, University of Sussex 2013 -2016, Senior Lecturer, since 2016.
  • Teaching

  • Spring semester 2016: Introduction to Statistical Mechanics (level 8, PhD course), syllabus .
  • Spring semester 2015, 2016: Random processes and Numerical Analysis I.
  • Spring semester 2014: Numerical Analysis I.
  • Spring semester 2013: PROBABILITY (TEM161) .
  • Fall semester 2012-2013: LINEAR AND NON LINEAR PROGRAMMING (TEM231).
  • Publications and preprints

  • Parameterization of Coarse-grained Molecular Interactions through Potential of Mean Force Calculations and Cluster Expansions Techniques , (with Anastasios Tsourtis and Vagelis Harmandaris), preprint 2016.
  • Convergence of density expansions of correlation functions and the Ornstein-Zernike equation , (with Tobias Kuna), preprint 2016.
  • Action minimization and macroscopic interface motion under forced displacement , (with Panagiota Birmpa), preprint 2016.
  • Large deviations for the macroscopic motion of an interface , (with Panagiota Birmpa and Nicolas Dirr), J. Stat. Phys. (2017), to appear.
  • Thermodynamics for spatially inhomogeneous magnetization and Young-Gibbs measures, (with Alessandro Montino and Nahuel Soprano-Loto), J. Stat. Phys. 164, 1318-1353 (2016). [preprint]
  • Phase transitions and coarse graining for a system of particles in the continuum, (with Elena Pulvirenti), 2016, P. Gonçalves and A. J. Soares (eds), From Particle Systems to PDEs III, Springer proceedings in Mathematics and Statistics 162.
  • Finite volume corrections and decay of correlations in the canonical ensemble, (with Elena Pulvirenti), J. Stat. Phys. 159, 5, 1017-1039 (2015). [preprint]
  • Multispecies virial expansions, (with Sabine Jansen, Stephen Tate and Daniel Ueltschi), Comm. Math. Phys. 330, 801-817 (2014). [preprint]
  • Exponential rate of convergence in current reservoirs, (with Anna De Masi, Errico Presutti and Maria Eulalia Vares), 2015, Bernoulli 21(3), 1844-1854. [preprint]
  • Extinction time for a random walk in a random environment, (with Anna De Masi, Errico Presutti and Maria Eulalia Vares), 2015, Bernoulli 21(3), 1824-1843. [preprint]
  • Non equilibrium stationary state for the symmetric simple exclusion with births and deaths, (with Anna De Masi, Errico Presutti and Maria Eulalia Vares), J. Stat. Phys., 147 (3) 2012, 519-528. [preprint]
  • Cluster expansion in the canonical ensemble, (with Elena Pulvirenti), Comm. Math. Phys., 2012, Vol. 316, Issue 2, pp 289-306.
  • Truncated correlations in the stirring process with births and deaths, (with Anna De Masi, Errico Presutti and Maria Eulalia Vares), Electron. J. Probab. 17 (2012), no. 6, 1-35, [preprint]
  • Current reservoirs in the simple exclusion process, (with Anna De Masi, Errico Presutti and Maria Eulalia Vares), J. Stat. Phys., 144 (6) 2011, 1151-1170, [preprint]
  • Fourier law, phase transitions and the stationary Stefan problem, (with Anna De Masi and Errico Presutti), Arch. Rat. Mech. Anal. 201 (2011) 681-725, [preprint]
  • Coarse-graining schemes for stochastic lattice systems with short and long range interactions, (with Markos Katsoulakis, Petr Plecháč and Luc Rey-Bellet), Math. Comp., 83 (2014), 1757-1793, [preprint]
  • From mesoscale back to microscale: Reconstruction schemes for coarse-grained stochastic lattice systems, (with José Trashorras), SIAM J. Numer. Anal. (2010), Vol. 48, No. 5, pp. 1647-1677. [preprint]
  • Mathematical strategies in the coarse-graining of extensive systems: Error quantification and adaptivity. Jour. Non-Newtonian Fluid Mech., Vol. 152, 1-3, June 2008, pp. 101-112, (with Markos Katsoulakis, Petr Plecháč and Luc Rey-Bellet).
  • Coarse-graining schemes and a posteriori error estimates for stochastic lattice systems, (with Markos Katsoulakis, Petr Plecháč and Luc Rey-Bellet). ESAIM: Math. Model. and Num. Analysis, Vol. 41, No 3, 2007, pp. 627-660. [preprint]
  • Mesoscopic modeling for continuous spin lattice systems: model problems and micromagnetics applications, (with Markos Katsoulakis and Petr Plecháč). J. Stat. Phys., 119, 1-2 (2005), 347-389.
  • A Tridiagonal canonical form for dynamical systems, (with I. Diamesis), in proceedings of Conference on Information Sciences and Systems (CISS), Princeton, NJ, 2000.