Visiting addressUllevål Stadion Sognsveien 77B
Please note that participation is by invitation only. Note also that there is an official homepage of the Abel Symposium 2015.
The Abel Symposium is administrated by the Norwegian Mathematical Society.
M.Sci Franziska Weber ved Matematisk institutt vil forsvare sin avhandling for graden ph.d.:
Convergent Numerical Methods for Nonlinear Partial Differential Equations
M.Sci Franziska Weber ved Matematisk institutt avholder prøveforelesning over oppgitt emne: "Numerical solution of stochastic differential equations".
Klaus Thomsen, Aarhus Universitet, Denmark, will give a talk with title "KMS states and ground states for generalized gauge actions on graph C*-algebras"
Siv.ing. Magnus Dahler Norling ved Matematisk institutt vil forsvare sin avhandling for graden ph.d.:
Semigroups, inverse semigroups and C*-algebras
Siv. ing. Magnus Dahler Norling ved Matematisk institutt avholder prøveforelesning over oppgitt emne: "L2-cohomology of groups, groupoids and algebras".
John Quigg, Arizona State University at Tempe, USA, will give a talk with title: Landstad duality and a theorem of Pedersen
Abstract:In joint work with Steve Kaliszewski and Tron Omland, we show how a theorem of Pedersen characterizing exterior equivalent actions on a C*-algebra can be parlayed into an equivalence between two equivariant categories of C*-algebras. In one category, isomorphisms correspond to outer conjugacies of actions, while isomorphisms in the other category are equivariant isomorphisms of the crossed products that respect the generalized fixed point algebras. This category equivalence is a variation of Landstad's original characterization of actions up to equivariant isomorphism, where we now allow more morphisms. Time permitting, we will compare our "outer duality" with Landstad duality and also with Imai-Takai crossed-product duality.
Alfons van Daele (University of Leuven, Belgium) will give a talk with title: Constructing locally compact quantum groups from pairs of *-algebras
Abstract: Let (A,\Delta) be a finite-dimensional Hopf *-algebra. The dual B of A is again a finite-dimensional Hopf *-algebra. The entire structure of these two Hopf *-algebras is encoded in the *-algebras A and B and the pairing between the two. We will explain how this works. This is in fact true in many more, and more general situations. In particular, we give an example constructed from a pair of subroups H,K of a group G with the property that the map (h,k)-> hk is a bijection from HxK to G. This method is used in a joined paper with Magnus Landstad where we construct a pair of locally compact quantum groups from such pairs of subgroups of a locally compact group G.
The statistics groups at the University of Oslo and the Norwegian University of Life Sciences invite all PhD-students and postdocs within statistics in the Oslo-region as well as their teachers and supervisors to a 2-days workshop.
Computable error estimates for Monte Carlo finite element approximation of elliptic PDE with lognormal diffusion coefficients
Adam Sørensen (UiO) will give a talk with title "Leavitt path algebras - a connection between pure algebra and operator algebras"
Abstract: We will discuss Leavitt path algebras, the purely algebraic cousins of the analytic graph C*-algebras. We will discuss similarities and differences, in particular recent work with Brownlowe on a purely algebraic version of Kirchberg's theorem that all exact C*-algebras embed into O_2.
Stein Andreas Bethuelsen (Universiteit Leiden) gives a lecture with the title: Random walks in (dynamic) random environment
Marco Matassa (UiO) will give a talk with title The Dolbeault-Dirac operator on quantized projective spaces, revisited
Abstract: In this talk I will present a new construction for the Dolbeault-Dirac operator on quantum projective spaces, the main result being the computation of its square. This clarifies and generalizes some results of D'Andrea-Dąbrowski. Moreover it gives a class of explicit examples of the general construction of Krähmer-Tucker Simmons, which deals with such operators on irreducible generalized flag manifolds.
Fourteenth International Workshop
Carsten Lütken, UiO, gives the Seminar in Algebra and Algebraic Geometry:
Modular curves VIII
The Skolem Lecture is an annual event in honor of the Norwegian mathematician and logician Thoralf Skolem.
This years Skolem Lecturer will be
Michael Rathjen, The University of Leeds:
"On relating strong type theories and set theories"
Roberto Conti (La Sapienza, Rome) will give a talk with title "C*-algebras and Fourier theory"
Robert Yuncken (Univ. Clermont-Ferrand II, France) will give a talk with title: A groupoid approach to pseudodifferential operators
Abstract: Connes introduced the "tangent groupoid" of a manifold as a geometric device for linking a classical pseudodifferential operator to its symbol, yielding a novel proof of the Atiyah-Singer index theorem. Since then, numerous variations on the tangent groupoid have been produced, each adapted to a different class of pseudodifferential operators. In this talk we will consider the reverse problem: associating to a given tangent groupoid a pseudodifferential calculus. We shall show that the kernels of classical pseudodifferential operators are precisely the essentially homogeneous fibrewise distributions on Connes' tangent groupoid. This leads to a natural pseudodifferential calculus of subelliptic type on a manifold with a filtration on its Lie algebra of vector fields.
Fredrik Meyer, UiO, gives the Seminar in Algebra and Algebraic Geometry:
Modular curves VII
M.Sc. Anis Awal Ayati ved Matematisk institutt vil forsvare sin avhandling for graden ph.d.:
Dynamics of stratified gas/liquid pipe flow
Comments on the Galilean limits of Maxwell's equations
M.Sc. Anis Awal Ayati ved Matematisk institutt avholder prøveforelesning over oppgitt emne: "Air/sea interactions - modelling and experiments".
Convex relaxation, graph cut and continuous max-flow algorithms for image processing and computer vision.