INTERACTING RANDOM SYSTEMS


[person]
      wioletta magdalena ruszel

                ph.d. student

      rijksuniversity groningen
      institute of mathematics and computing science
      nijenborg 9
      9747 ag groningen

      the netherlands

      email: w.m.ruszel [rug.nl]
      phone: +31/50/363-3992
      office: nijenborgh 9,
      bernoulliborg , room 4.80
 

[work]
     
  • memoire de maitrise : ... (available in french)
         
  • master thesis : wolfgang doeblin - wegbereiter zum ito kalkuel (available in german)
          english version in preparation

    [research interests]

         
  • gibbsian and non-gibbsian properties of n-vector models
         
  • propagation of the gibbsian property, chaotic temperature dependence
         
  • cluster expansions, pirogov-sinai theory
         
  • probabilistic cellular automata


    [talks]
         
  • on th way towards the ito calculus
          dynamical systems seminar, rug
          15 th may 2006

         
  • chaotic temperature dependence at zero temperature: a bounded spin example
          summer school, prague
          19 th september 2006

         
  • chaotic temperature dependence at zero temperature: a bounded spin example
          workshop: applications in stochastic processes, potsdam
          28 th september 2006

         
  • chaotic temperature dependence at zero temperature
          dynamical systems seminar, rug
          26 th february 2007

         
  • conservation and loss of gibbsiannes of interacting spins moving on circles
          random spatial structure seminar, eurandom, eindhoven
          6 th november 2007

         
  • what it takes to be gibbsian for planar rotors
          dynamical systems seminar, rug
          28 th january 2008

         
  • gibbs vs. non-gibbs and xy models with spin flip transitions
          condensed matter group meeting, rug
          11 th march 2008

         
  • what it takes to be gibbsian for planar rotors
          kansrekening en statistiek seminar, tu delft
          28 th may 2008
         
  • loss of temperature for xy models
          forschungsseminar, universitaet potsdam
          4 th july 2008
         
  • gibbs-non-gibbs properties for lattice and mean-field xy models and beyond:the lattice case
          seminar statistiek, university of groningen
          30 th january 2009
         
  • gibbs-non-gibbs properties for lattice and mean-field xy models and beyond:the lattice case
          mark kac seminar, utrecht
          6 th february 2009


    [publications and preprints]
         
  • A.C.D. van Enter and W.M.Ruszel:
          Chaotic temperature dependence at zero temperature,
          J. Stat. Phys. , 127 , 2007


         
  • A.C.D. van Enter and W.M. Ruszel:
          Gibbsianness versus Non-Gibbsianness of time-evolved planar rotor models,
          online version 2008, to appear in Stoch. Proc. Appl.



         
  • T.L.C. Jansen and W.M. Ruszel:
          Motional narrowing in the time-averaging approximation for simulating two-dimensional non-linear infrared spectra ,
          online version in J.Chem.Phys., 128 , issue 21, 2008



         
  • A.C.D. van Enter and W.M. Ruszel:
          Loss and recovery of gibbsianness for xy spins in a small external field ,
          accepted, J. Math. Phys. 49, 2008



         
  • A.C.D. van Enter, C.Külske, A. A. Opoku , W.M. Ruszel:
          Gibbs-non-Gibbs properties for n-vector lattice and mean-field models
         submitted, arXiv:0812.1751, 2008





    [misc]