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  • Corso di Studi in Ingegneria Matematica, nuovo progetto di doppia laurea con EPFL
    Double degree Master Program between Politecnico di Milano and EPFL


MOX
Laboratorio di Modellistica
e
Calcolo Scientifico

EFFEDIESSE
Laboratorio di Formazione
Matematica e di
Sperimentazione Didattica

differential equations
at polimi

Laboratorio di
Finanza Quantitativa

Game Theory And Computation
(Group)

Prossimi Eventi

  • giu
    03
    mer
    2015
    Seminario
    03-06-2015, ore 12:15 Missione rosetta: come raggiungere ed esplorare una cometa
    Franco Bernelli

    • SEMINARIO
    • Missione rosetta: come raggiungere ed esplorare una cometa
    • Franco Bernelli, Politecnico di Milano
    • Mercoledì 3 giugno 2015 alle ore 12:15, aula B21, edificio 14, Campus Bonardi

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    08
    lun
    2015
    Seminario
    08-06-2015, ore 16:30 precise T.b.a.
    Andrei Okounkov

    • SEMINARIO
    • T.b.a.
    • Andrei Okounkov, Columbia University
    • Lunedì 8 giugno 2015 alle ore 16:30 precise, Dipartimento di Matematica, Via Saldini, Aula Chisini

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    10
    mer
    2015
    Seminario
    10-06-2015, ore 12:30 Approximating irregular sdes via iterative skorokhod embeddings
    Thomas Kruse

    • SEMINARIO
    • Approximating irregular sdes via iterative skorokhod embeddings
    • Thomas Kruse, University of Duisburg-Essen, Faculty of Mathematics
    • Mercoledì 10 giugno 2015 alle ore 12:30, Aula Consiglio – VII piano
    • Abstract
      The Bachelier Finance Society, and the Dipartimento di Matematica – Politecnico di Milano, in cooperation with Springer, are proud to announce the Nicola Bruti Liberati Prize 2014 winner Thomas Kruse, who is currently a Post-doctoral researcher at the Laboratoire de Mathematiques et Modelisation d’Evry. Thomas studied for his PhD at the University of Bonn under the supervision of Prof. Stefan Ankirchner.
      Thomas’s thesis covered inverse optimal stopping problems, and control problems motivated by issues in illiquidity. The prize committee was very impressed with both the financial and mathematical contributions of the thesis. We would like to congratulate the winner warmly for his achievement.

      On June 10, 2015, the prize winner will deliver a lecture on

      Approximating irregular SDEs via iterative Skorokhod embeddings

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    15
    lun
    2015
    Seminario
    15-06-2015, ore 17:00 precise Gruppo di rinormalizzaione, effetto kondo e modelli gerarchici
    Giovanni Gallavotti

    • SEMINARIO
    • Gruppo di rinormalizzaione, effetto kondo e modelli gerarchici
    • Giovanni Gallavotti, Universita’ di Roma
    • Lunedì 15 giugno 2015 alle ore 17:00 precise, Sala di Rappresentanza, Dipartimento di Matematica, Via Saldini
    • Abstract
      L’effetto Kondo si manifesta con la non divergenza a temperatura 0 della suscettivita` magnetica di una impurita` in un gas di fermioni: la non divergenza avviene solo in presenza di una interazione antiferromagnetica e non nel caso ferromagnetico.
      E` un effetto quantistico, non deducibile da una teoria perturbativa: la sua teoria, in un modello unidimensionale, fu risolta da Wilson attraverso il gruppo di rinormalizzazione. Fu uno dei primi casi in cui si pote` capire un fenomeno multiscala controllato da un punto fisso non banale: in questo seminario illustrero` il problema in un modello che pur mantiene la caratteristica di essere un problema non perturbativo a molte scale e che sembra richiedere il metodo del gruppo di rinormalizzazione per la sua soluzione.

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    17
    mer
    2015
    Seminario
    17-06-2015, ore 11:00 precise Learning variational regularization models for image denoising by pde constrained optimization
    Carola Bibiane Schoenlieb

    • SEMINARIO
    • Learning variational regularization models for image denoising by pde constrained optimization
    • Carola Bibiane Schoenlieb, DAMTP University of Cambridge
    • Mercoledì 17 giugno 2015 alle ore 11:00 precise, Dipartimento di Matematica del Politecnico – Aula Consiglio 7° piano
    • Abstract
      We review some recent learning approaches in variational image regularisation — in particular for variational image denoising — based on PDE constrained (also called bilevel) optimisation. Optimal solutions are typically parameters determining the type of regularisation and data discrepancy. A general type of regulariser is considered, which encompasses total variation (TV), total generalized variation (TGV) and infimal-convolution total variation (ICTV), as well as general data discrepancies encoding different noise distributions. We analyse those models for existence and structure of minimisers, as well as optimality conditions for their characterisation. Based on this information, Newton type methods are employed to solve the models numerically. The computational verification of the developed techniques will be discussed, covering instances with different type of regularisers, several noise models, spatially dependent weights and large image databases.
      This is joint work with Luca Calatroni, Chung Cao, Juan Carlos De los Reyes, and Tuomo Valkonen.

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    18
    gio
    2015
    Seminario
    18-06-2015, ore 14:00 Some inverse boundary value problems in two dimensions: theory and applications
    Matteo Santacesaria

    • SEMINARIO
    • Some inverse boundary value problems in two dimensions: theory and applications
    • Matteo Santacesaria , University of Helsinki
    • Giovedì 18 giugno 2015 alle ore 14:00, Aula Saleri VI Piano Dipartimento di Matematica -MOX politecnico di Milano
    • Abstract
      In this talk we will focus on two inverse boundary value problems, the Calderón problem and the Gelfand-Calderon problem. The first concerns the reconstruction of an electrical conductivity from voltage and current measurements on the boundary of an object; its related imaging method is called Electrical Impedance Tomography and has applications from medical imaging to non destructive testing. In the Gelfand-Calderon problem one wants to reconstruct a potential in the Schrödinger equation from some information of its solutions at the boundary of a domain (Dirichlet to Neumann map). This problem can be seen as a model for acoustic tomography, namely with applications in geophysical prospecting.
      We will first discuss theoretical properties of these problems, in particular their ill-posedness and stability estimates. Then we will present some recent numerical reconstruction results. First a numerical implementation for the reconstruction of a potential in the Schrödinger equation from high energy data; this new algorithm clearly shows how the resolution increases with the energy. Then we will present a new imaging technique based on electrical measurements which allows the reconstruction of inclusions inside a body. Its main feature is the ability to identify inclusions inside inclusions and the main application is a new method for early detection of brain strokes

      contact:

      – elena.beretta@polimi.it
      – christian.vergara@polimi.it


    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    19
    ven
    2015
    Seminario
    19-06-2015, ore 14:00 precise Pointwise convergence of fourier series and a calderon-zygmund decomposition for modulation invariant singular integrals
    Francesco Di Plinio

    • SEMINARIO
    • Pointwise convergence of fourier series and a calderon-zygmund decomposition for modulation invariant singular integrals
    • Francesco Di Plinio, Brown University Mathematics Department
    • Venerdì 19 giugno 2015 alle ore 14:00 precise, Aula seminari III piano
    • Abstract
      The Calderon-Zygmund decomposition is a fundamental tool in
      the analysis of singular integral operators, prime examples of which are
      the Hilbert and Riesz transforms occurring, for instance, in elliptic
      PDEs. Its prime purpose is the extension of L^2 boundedness results for
      operators of this type to (all) other L^p spaces. The exploited
      mechanism is the extra cancellation occurring when the singular integral
      operator is applied to functions with mean zero.

      On the other hand, pointwise convergence of Fourier series of L^p
      functions is governed by L^p bounds for maximally modulated versions of
      singular integrals, for which the single zero frequency of f plays no
      particular role. In this talk, we describe a novel Calderon-Zygmund
      decomposition adapted to the maximally modulated setting and its
      applications to both pointwise convergence of Fourier series of
      functions near L^1 and sharp bounds for the bilinear Hilbert transform
      near the critical exponent L^{2/3}. The presentation will be
      non-technical and suitable for an advanced undergraduate audience.

      Partly joint work with Ciprian Demeter (IU), Christoph Thiele (Bonn),
      Andrei Lerner (Bar-Ilan U, Israel) and Yumeng Ou (Brown U).

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    19
    ven
    2015
    Seminario
    19-06-2015, ore 15:00 precise D-modules and local cohomology
    Robin Hartshorne

    • SEMINARIO
    • D-modules and local cohomology
    • Robin Hartshorne, U.C. Berkeley
    • Venerdì 19 giugno 2015 alle ore 15:00 precise, Aula Seminari Mox del sesto piano
    • Abstract
      The concept of modules over a ring with differential operators is an old one, but its relevance to commutative algebra dates from 1993, when Lyubeznik discovered that the local cohomology module of a polynomial ring with supports in any ideal is a finitely generated D-module, even though it is rarely finitely generated over the polynomial ring. In fact these modules are what is called holonomic, i.e. of finite length over the ring of differential operators. I will explain the ideas behind this discovery, and tell how it has helped to prove new finiteness theorems about these mysterious modules.


    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    29
    lun
    2015
    lug
    01
    mer
    2015
    Convegno
    29-06-2015 – 01-07-2015 Quantum markov semigroups: decoherence and empirical estimates

    • CONVEGNO
    • QMS2015
      quantum markov semigroups: decoherence and empirical estimates

      (http://www.dima.unige.it/~sasso/QMS2015/index2.html)

    • Our aim is to open the discussion of the state of the art and open problems on decoherence and quantum tomography in particular for quantum Markov semigroups.
    • organizzatori Raffaella Carbone, Matteo Gregoratti, Emanuela Sasso, Alessandro Toigo, Veronica Umanità.
    • Lunedì 29 giugno 2015 – Mercoledì 1 luglio 2015
    • Genova, Dipartimento di Matematica
    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • giu
    30
    mar
    2015
    Seminario
    30-06-2015, ore 16:30 Billiards and moduli spaces
    Curtis T.mcmullen

    • SEMINARIO
    • Billiards and moduli spaces
    • Curtis T.mcmullen, Harvard University
    • Martedì 30 giugno 2015 alle ore 16:30, Dipartimento di Matematica, Via Saldini, Aula Chisini

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • ott
    05
    lun
    2015
    Seminario
    05-10-2015, ore 16:30 precise Taming infinities
    Martin Hairer

    • SEMINARIO
    • Taming infinities
    • Martin Hairer, University of Warwick
    • Lunedì 5 ottobre 2015 alle ore 16:30 precise, Dipartimento di Matematica, Via Saldini, Aula Chisini

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • ott
    19
    lun
    2015
    Seminario
    19-10-2015, ore 11:00 Discrete geometric structures motivated by applications in architecture
    Helmut Pottmann

    • SEMINARIO
    • Discrete geometric structures motivated by applications in architecture
    • Helmut Pottmann , TU Wien e KAUST
    • Lunedì 19 ottobre 2015 alle ore 11:00, Aula Saleri VI PIANO Dipartimento di Matematica MOX
    • Abstract

      N.A.


      contact:franca.calio@polimi.it

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • ott
    19
    lun
    2015
    Seminario
    19-10-2015, ore 17:00 precise T.b.a.
    Emilio Acerbi

    • SEMINARIO
    • T.b.a.
    • Emilio Acerbi , Università di Parma
    • Lunedì 19 ottobre 2015 alle ore 17:00 precise, Dipartimento di Matematica del Politecnico, Aula Consiglio 7° piano

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568
  • nov
    23
    lun
    2015
    Seminario
    23-11-2015, ore 16:30 precise Singularity formation in elliptic and parabolic problems
    Manuel Del Pino

    • SEMINARIO
    • Singularity formation in elliptic and parabolic problems
    • Manuel Del Pino, Universidad de Chile
    • Lunedì 23 novembre 2015 alle ore 16:30 precise, Dipartimento di Matematica, Via Saldini, Aula Chisini

    Politecnico di Milano, Dipartimento di Matematica via Bonardi 9, 20133 Milano – Telefono: +39 02 2399 4505 – Fax: +39 02 2399 4568