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MARCH 2010 |
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Department Colloquium |
Topic: |
Adding a list of numbers (and other determinantal processes)
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Presenter: |
Persi Diaconis, Stanford University |
Date: |
Wednesday, March 3, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
Abstract: |
Adding a list of digits produces 'carries along the way. The distribution theory of carries involves the emerging theory of determinantal point processes (explanations provided). Thinking of carries as cocycles, the story extends to central extensions. There are also nice connections to Koszul algebras. This is joint work with Alexei Borodin and Jason Fulman. |
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SPECIAL SEMINAR |
Topic: |
From Magic to Mathematics and Back |
Presenter: |
Persi Diaconis, Stanford University |
Date: |
Thursday, March 4, 2010, Time: 11:00 a.m., Location: McCosh 10 |
Abstract: |
The way that a magic trick works is sometimes as amazing as the trick itself. I will illustrate with a trick that fools magicians. The mathematics behind the trick, which has its origins in Sanskrit poetry, now has applications to cryptography, robot vision (and smart pens), breaking and entering and elsewhere. Varying the trick in natural ways leads to problems beyond modern mathematics. This lecture will be accessible to a general audience. |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
On the limit curlicue process for theta sums |
Presenter: |
Francesco Cellarosi, Princeton University |
Date: |
Thursday, March 4, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
Abstract: |
I shall discuss a random process achieved as the limit for the ensemble of curves generated by interpolating the values of theta sums. The existence and the properties of this process are established by means of purely dynamical tools and rely on generalizations of a result by Marklof and Jurkat and van Horne. (joint work with Jens Marklof). |
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Discrete Mathematics Seminar |
Topic: |
Algorithmic metatheorems for sparse classes of combinatorial structures |
Presenter: |
Daniel Kral, Charles University, Prague |
Date: |
Thursday, March 4, 2010, Time: 2:15 p.m., Location: Fine Hall 224 |
Abstract: |
A classic result of Courcelle asserts that every monadic second order logic (MSOL) formula can be decided in linear time for graphs with bounded tree-width. This result unified most of algorithmic results for graphs with bounded tree-width and was followed by many results of the same favor.
In the beginning of the talk, we focus on classes of graphs with bounded expansion and classes of nowhere dense-graphs which have recently been introduced by Nesetril and Ossona de Mendez. These classes of graphs include and generalize proper minor-closed classes of graphs, classes of graphs with locally bounded tree-width or locally excluding a minor. We will then present a joint result with Dvorak and Thomas that every first order logic (FOL) formula can be decided in linear time for graphs with bounded expansion and in almost linear time for nowhere-dense graphs. The presented results translate to classes of relational structures with Gaifman graphs from such classes of graphs.
At the end of the talk, we consider classes of graphs with bounded clique-width. We consider an extension of MSOL_1 formulas where a polynomially bounded number of quantifiers over vertex sets can be added, which we call F-MSOL_1 formulas. The problem whether an input graph is hamiltonian can be expressed by an F-MSOL_1 formula, but not by an MSOL_1 formula. We will next present a joint result with Hlineny and Obdrzalek that every F-MSOL_1 formula can be decided in polynomial time for graphs with bounded clique-width. |
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Joint Princeton University and Institute for Advanced Study Number Theory Seminar |
Topic: |
Geometric Overconvergent Modular Forms |
Presenter: |
Vincent Pilloni, Columbia University |
Date: |
Thursday, March 4, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
Abstract: |
We will give a geometric definition of the notion of overconvergent modular form of any p-adic weight. As a consequence, we re-obtain Coleman's theory of p-adic families of eigenforms and the eigencurve of Coleman and Mazur without using the Eisenstein family. Similar results have just been obtained independantly by Andreatta, Iovita and Stevens. We will then explain how a similar construction can be applied to construct p-adic families of Hilbert and Siegel eigenforms (over the total weight space). This last part is a work in progress with Andreatta and Iovita. |
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Topology Seminar |
Topic: |
Cosmetic Surgery Conjecture on S^3 |
Presenter: |
Zhongtao Wu, Princeton University |
Date: |
Thursday, March 4, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
Abstract: |
It has been known over 40 years that every closed orientable 3-manifold is obtained by surgery on a link in S3. However, a complete classification has remained elusive due to the lack of uniqueness of this surgery description. In this talk, we discuss the following uniqueness theorem for Dehn surgey on a nontrivial knot in S3. Let K be a knot in S3, and let r and r' be two distinct rational numbers of same sign, allowing r to be infinite; then there is no orientation preserving homeomophism between the manifolds obtained by performing Dehn surgery of type r and r', respectively. In particular, this result implies the Knot Complement Theorem of Gordon and Luecke. |
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Ergodic Theory and Statistical Mechanics Seminar ***Please note special day and time |
Topic: |
The dimension of self-affine sets: past, present and future. |
Presenter: |
Pablo Shmerkin, Manchester |
Date: |
Friday, March 5, 2010, Time: 2:30 p.m., Location: Fine Hall 401 |
Abstract: |
Calculating the dimension of sets invariant under non-conformal dynamics is a formidable problem. My talk will be a survey on what is known and expected for self-affine sets, i.e. sets invariant under piece-wise affine expanding maps on Euclidean space. Some emphasis will be given to my joint work with A. Käenmäki on self-affine sets of Kakeya type, and the thermodynamic formalism for the singular value function. |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
The new Intrinsic flat distance between oriented Riemannian manifolds |
Presenter: |
Christina Sormani, CUNY |
Date: |
Friday, March 5, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
Abstract: |
We define a new distance between oriented Riemannian manifolds that we call the "intrinsic flat distance" based upon Ambrosio-Kirchheim's theory of integral currents on metric spaces. Limits of sequence of manifolds with a uniform upper bound on their volume and diameter are countably H^m rectifiable metric spaces with an orientation and multiplicity that we call "integral current spaces". In general the Gromov-Hausdorff and intrinsic flat limits do not agree. Intrinsic flat convergence is a weaker notion. We show that they do agree when the sequence of manifolds has nonnegative Ricci curvature and a uniform lower bound on volume and also when the sequence of manifolds has a uniform linear local geometric contractibility function. These results are proven using work of Greene-Petersen, Gromov, Cheeger-Colding and Perelman.This is joint work with S. Wenger. |
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Analysis Seminar |
Topic: |
Complex variables are not dead |
Presenter: |
Leon Ehrenpreis, Temple University, Philadelphia |
Date: |
Monday, March 8, 2010, Time: 4:00 p.m., Location: Fine Hall 110 |
Abstract: |
Our lecture will focus on two problems in pde which are solvable by ideas in holomorphic functions of complex variables. The first problem is called the strip theorem. Let f be a function defined in the strip in the complex plane l Im z l <= 1. Suppose f agrees on the boundary of each unit circle centered on the real axis, radius 1, with the solution (depending on the circle) of a suitable elliptic pde, the agreement being to order one greater than the order of the Dirichlet data. Then f satisfies this pde. If the equation is the Cauchy-Riemann equation then equality suffices. The second type of problems we discuss are the Phragmen-Lindelof theorem for pde and a form of the Heisenberg uncertainty for pde. These were introduced in Kenig's lecture at Fefferman's birthday bash. We shall put them in a general framework. |
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Geometry, Representation Theory, and Moduli Seminar |
Topic: |
Mathematical structures in N=2 gauge theory |
Presenter: |
D. Gaiotto, IAS |
Date: |
Monday, March 8, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
Abstract: |
The theory of Hitchin systems and their moduli spaces of solutions has important connections to N=2 gauge theory in four dimensions. Exploring this connection, we have conjectured the existence of certain integral invariants which encode the hyperkahler metric on the moduli spaces, and satisfy a wall-crossing formula akin to the one identified by Kontsevich and Soibelman for motivic Donaldson-Thomas invariants. We have computed such invariants for SU(2) Hitchin systems. The talk will review these results, starting from the definition of the invariants in Hitchin systems, and then exploring the relation to four dimension gauge theories and its consequences. |
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Group Actions Seminar |
Topic: |
Counting Rational Matrices of a given Characteristic Polynomial |
Presenter: |
Tomasz Zamojski, University of Chicago |
Date: |
Tuesday, March 9, 2010, Time: 12:30 p.m., Location: Fine Hall 322 |
Abstract: |
Under the assumption that the polynomial is rational and irreducible, we compute the asymptotic number of rational matrices of the given characteristic polynomial, thus solving a new case of Manin's Conjecture. The method of proof is inspired by the counting lattice point theorem of Eskin-Mozes-Shah. Here, the above rational matrices are a single orbit under the rational points of $PGL_n$, which is a lattice in the adelic points of $PGL_n$. However, we do not make use of unipotent flows and Ratner's theorems. Instead, we will prove an equidistribution theorem for an average over periodic torus orbits, relying on the measure rigidity theorem of Einsiedler-Katok-Lindenstrauss. |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Aaron Bertram, University of Utah |
Date: |
Tuesday, March 9, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
Random polygons in plane convex sets |
Presenter: |
John Pardon, Princeton University |
Date: |
Thursday, March 11, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
Abstract: |
Consider picking N random points in a convex set K and forming their convex hull K_N. Recently, there have been a number of results concerning the asymptotic behavior of random variables such as the area and number of vertices of K_N. These are, however, all limited to two special cases: 1) K is a polygon and 2) K is "smooth". I will discuss work which obtains uniform bounds over the family of all convex sets K. These results include central limit theorems for the area and number of vertices of K_N. |
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Discrete Mathematics Seminar |
Topic: |
TBA |
Presenter: |
Jan Hladky, University of Warwick |
Date: |
Thursday, March 11, 2010, Time: 2:15 p.m., Location: Fine Hall 224 |
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Algebraic Topology Seminar |
Topic: |
On the equivariant K-theory of toric varieties |
Presenter: |
Gareth Williams, Open University, UK |
Date: |
Thursday, March 11, 2010, Time: 2:30 p.m., Location: Fine Hall 314 |
Abstract: |
A recent computation of Bahri, Franz and Ray identified the equivariant cohomology of weighted projective space with a ring of piecewise polynomials. This talk will report on joint work of Ray and the speaker, on recent developments regarding the equivariant topological K-theory of toric varieties. In particular, we relate the zeroth equivariant K-theory to an appropriate ring of Laurent polynomials, and consider extensions to the odd equivariant K-groups for a restricted class of varieties. |
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Joint Princeton University and Institute for Advanced Study Number Theory Seminar |
Topic: |
The average rank of elliptic curves |
Presenter: |
Manjul Bhargava, Princeton University |
Date: |
Thursday, March 11, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
Abstract: |
A {\it rational elliptic curve} may be viewed as the set of solutions to an equation of the form $y2=x3+Ax+B$, where $A$ and $B$ are rational numbers. It is known that the rational points on this curve possess a natural abelian group structure, and the Mordell-Weil theorem states that this group is always finitely generated. The {\it rank} of a rational elliptic curve measures {\it how many} rational points are needed to generate all the rational points on the curve.
There is a standard conjecture---originating in work of Goldfeld and Katz-Sarnak---that states that the {\it average} rank of all elliptic curves should be 1/2; however, it has not previously been known that the average rank is even finite! In this lecture, we describe recent work that shows that the average rank is finite (in fact, we show that the average rank is bounded by 1.5).
This is joint work with Arul Shankar. |
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Topology Seminar |
Topic: |
The structure of groups with a quasiconvex hierarchy |
Presenter: |
Daniel Wise, McGill |
Date: |
Thursday, March 11, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
Abstract: |
We prove that hyperbolic groups with a quasiconvex hierarchy are virtually subgroups of graph groups. Our focus is on "special cube complexes" which are nonpositively curved cube complexes that behave like "high dimensional graphs" and are closely related to graph groups. The main result illuminates the structure of a group by showing that it is "virtually special", and this yields the separability of the quasiconvex subgroups of the groups we study.
As an application, we resolve Baumslag's conjecture on the residual finiteness of one-relator groups with torsion. Another application shows that generic haken hyperbolic 3-manifolds have "virtually special" fundamental group. Since graph groups are residually finite rational solvable, combined with Agol's virtual fibering criterion, this proves that finite volume haken hyperbolic 3-manifolds are virtually fibered. |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
A Codazzi-like equation and the singular set for surfaces in the Heisenberg group |
Presenter: |
Jih-Hsin Cheng, Academia Sinica, Taiwan |
Date: |
Friday, March 12, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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Analysis Seminar |
Topic: |
TBA |
Presenter: |
Michael Weinstein, Columbia University |
Date: |
Monday, March 22, 2010, Time: 4:00 p.m., Location: Fine Hall 110 |
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Geometry, Representation Theory, and Moduli Seminar |
Topic: |
TBA |
Presenter: |
Y. Berest, Cornell University |
Date: |
Monday, March 22, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
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Group Actions Seminar |
Topic: |
Non-nonpositive curvature of some non-cocompact arithmetic groups |
Presenter: |
Kevin Wortman, University of Utah |
Date: |
Tuesday, March 23, 2010, Time: 12:30 p.m., Location: Fine Hall 322 |
Abstract: |
I'll explain why arithmetic subgroups of semisimple groups of relative Q-type A_n, B_n, C_n, D_n, E_6, or E_7 have an exponential lower bound to their isoperimetric inequality in the dimension that is 1 less than the real rank of the semisimple group. |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Sándor Kovács, University of Washington |
Date: |
Tuesday, March 23, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
TBA |
Presenter: |
Ilya Vinogrodov, Princeton University |
Date: |
Thursday, March 25, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
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Discrete Mathematics Seminar |
Topic: |
TBA |
Presenter: |
Jason Morton, Penn State |
Date: |
Thursday, March 25, 2010, Time: 2:15 p.m., Location: Fine Hall 224 |
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Topology Seminar |
Topic: |
Quasi-isometric classification of 3-manifold groups |
Presenter: |
Jason Behrstock, Columbia University |
Date: |
Thursday, March 25, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
Abstract: |
Any finitely generated group can be endowed with a natural metric which is unique up to maps of bounded distortion (quasi-isometries). A fundamental question is to classify finitely generated groups up to quasi-isometry. Considered from this point of view, fundamental groups of 3-manifolds provide a rich source of examples. Surprisingly, a concise way to describe the quasi-isometric classification of 3-manifolds is in terms of a concept in computer science called "bisimulation." We will focus on describing this classification and a geometric interpretation of bisimulation. Finally, time permitting, we will provide applications to the study of Artin groups. (Joint work with Walter Neumann.) |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
Mario Bonk, Michigan |
Date: |
Friday, March 26, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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Analysis Seminar |
Topic: |
Global Classical Solutions of the Boltzmann Equation with Long-Range Interactions |
Presenter: |
Robert Strain, University of Pennsylvania |
Date: |
Monday, March 29, 2010, Time: 4:00 p.m., Location: Fine Hall 110 |
Abstract: |
In this talk we explain our recent proof of global stability for the Boltzmann equation (1872) with the physically important collision kernels derived by Maxwell 1867 for the full range of inverse power intermolecular potentials, $r^{-(p-1)}$ with $p > 2$ and more generally. Our solutions are perturbations of the Maxwellian equilibrium states, and they decay rapidly in time to equilibrium as predicted by Boltzmann's celebrated H-Theorem.
This equation provides a basic example where a wide range of geometric fractional derivatives occur in a physical model of the natural world. We are able to characterize these non-isotropic fractional differentiation effects precisely using in part the ``geometric Littlewood-Paley'' theory of Stein and Klainerman-Rodnianski. This is joint work with P. Gressman. |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Mingmin Shen, Columbia University |
Date: |
Tuesday, March 30, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Mathematical Physics Seminar |
Topic: |
On the formation of black holes |
Presenter: |
Sergiu Klainerman, Princeton University |
Date: |
Tuesday, March 30, 2010, Time: 4:30 p.m., Location: Jadwin 343 |
Abstract: |
I will discuss some recent results obtained in collaboration with I. Rodnianski on the dynamic formation of black holes for the Vacuum Einstein equations. These results simplify and extend considerably the recent well known result of D. Christodoulou. |
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APRIL 2010 |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
TBA |
Presenter: |
Vitaly Bergelson, Ohio State University |
Date: |
Thursday, April 1, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
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Discrete Mathematics Seminar *** Please note special day |
Topic: |
TBA |
Presenter: |
Assaf Naor, Courant Institute, NYU |
Date: |
Friday, April 2, 2010, Time: 2:15 p.m., Location: Fine Hall 224 |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
CJ Anna Sung, Tsing-Hwa University, Taiwan |
Date: |
Friday, April 2, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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Analysis Seminar |
Topic: |
TBA |
Presenter: |
Jalal Shatah, Courant Institute |
Date: |
Monday, April 5, 2010, Time: 4:00 p.m., Location: Fine Hall 110 |
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Geometry, Representation Theory, and Moduli Seminar |
Topic: |
TBA |
Presenter: |
Y. Ruan, Michigan |
Date: |
Monday, April 5, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
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PACM Colloquium |
Topic: |
TBA |
Presenter: |
Peter Winkler, AT&T Labs Research, Florham Park NJ |
Date: |
Monday, April 5, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
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Group Actions Seminar |
Topic: |
Compact forms of homogeneous spaces and group actions |
Presenter: |
David Constantine, University of Chicago |
Date: |
Tuesday, April 6, 2010, Time: 12:30 p.m., Location: Fine Hall 322 |
Abstract: |
Given a homogeneous space J\H, does there exist a discrete subgroup \Gamma in H such that J\H/Gamma is a compact manifold? These compact forms of homogeneous spaces turn out to be rare outside of a few natural cases. Their existence has been studied by a very wide range of techniques, one of which is via the action of the centralizer of J in H. In this talk I'll show that no compact form exists when H is a simple Lie group, J is reductive and the acting group is higher-rank and semisimple. The proof uses cocycle superrigidity, Ratner's theorem and techniques from partially hyperbolic dynamics. |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
James McKernan, MIT |
Date: |
Tuesday, April 6, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
Concentration inequalities for dynamical systems |
Presenter: |
Jean-René Chazottes, CNRS and École-Polytechnique |
Date: |
Thursday, April 8, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
Abstract: |
Concentration inequalities are a powerful tool to estimate the fluctuations of observables more general than ergodic sums: one can consider any observable F(x,...,T^n x) provided it is separately Lipschitz. Such inequalities can be established for non-uniformly hyperbolic systems and we shall present some applications. |
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Discrete Mathematics Seminar |
Topic: |
TBA |
Presenter: |
Alexandra Kolla, IAS |
Date: |
Thursday, April 8, 2010, Time: 2:15 p.m., Location: Fine Hall 224 |
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Joint Princeton University and Institute for Advanced Study Number Theory Seminar |
Topic: |
Proof, via smooth homology, of the existence of rational families of H-invariant linear forms on G-induced representations, when G/H is a symetric, reductive, p-adic space, via smooth homology |
Presenter: |
Philippe Blanc, Institut de Mathématiques de Luminy |
Date: |
Thursday, April 8, 2010, Time: 4:30 p.m., Location: IAS S-101 |
Abstract: |
We fix F a local non archmedean field of characteristic zero, G the points over F of an algebraic reductive group defined over F and s a rational involution of G defined over F. We note H the group of fixed points of G under the action of s and X(G,s) the connected component on the neutral element of the set of complex characters of G antiinvariant under the action of s. Let P be a s-parabolic subgroup of G, id est the intersection M of P with s(P) is a s-stable Levi subgroup, we construct from a irreducible, smooth representation r of M, a rational family of distributions above the algebraic variety X(G,s), which are H-invariant linear forms on tne smooth induced representation ind(P,G; r ). Our main trick is the use of homology of groups. |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
Pierre Albin, Courant |
Date: |
Friday, April 9, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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PACM Colloquium |
Topic: |
Internet Traffic Matrices and Compressive Sensing |
Presenter: |
Walter Willinger, Mathematics and Computer Science, Darthmouth College |
Date: |
Monday, April 12, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
Abstract: |
Internet traffic matrices (TMs) specify the traffic volumes between origins and destinations in a network over some time period. For example, origins and destinations can be individual IP addresses, prefixes, routers, points-of-presence (PoPs), or entire networks or Autonomous Systems (ASes). Past work on TMs has almost exclusively focused on large ASes such as AS7018 (AT&T) and their router- or PoP-level TMs, mainly because the latter are critical inputs to many basic network engineering tasks, and the thrust of much of this work has been on measurement and inference of TMs. A key remaining challenge in this area is how to cope with missing values that frequently arise in real-world TMs. This problem brings TM research into the realm of compressive sensing, a generic technique for dealing with missing observations that exploits the presence of structure or redundancy in data from many real-world systems. In particular, since real-world TMs have been found to be of low rank, the concept of compressive sensing is directly applicable, at least in theory. In this talk, I will report on novel applications of compressive sensing to TM interpolation and inference and discuss how the resulting techniques work in practice. I will end by describing some challenging open problems concerning measuring and inferring the completely unknown Internet-wide AS-level TM. (This is joint work with Y. Zhang and L. Qiu (Univ. of Texas) and M. Roughan (Univ. od Adelaide).) |
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Geometry, Representation Theory, and Moduli Seminar |
Topic: |
TBA |
Presenter: |
Y. Tachikawa, IAS |
Date: |
Monday, April 12, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
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Group Actions Seminar |
Topic: |
TBA |
Presenter: |
Daryl Cooper, University of California, Santa Barbara |
Date: |
Tuesday, April 13, 2010, Time: 12:30 p.m., Location: Fine Hall 322 |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Shin-Yao Jow, University of Pennsylvania |
Date: |
Tuesday, April 13, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Ergodic Theory and Statistical Mechanics Seminar |
Topic: |
TBA |
Presenter: |
Alex Kontorovich, Brown University and IAS |
Date: |
Thursday, April 15, 2010, Time: 2:00 p.m., Location: Fine Hall 401 |
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Topology Seminar |
Topic: |
TBA |
Presenter: |
Ciprian Manolescu, UCLA |
Date: |
Thursday, April 15, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
Julie Rowlett, Bonn |
Date: |
Friday, April 16, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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Geometry, Representation Theory, and Moduli Seminar |
Topic: |
TBA |
Presenter: |
G. Bellamy, Edinburgh |
Date: |
Monday, April 19, 2010, Time: 4:30 p.m., Location: Fine Hall 314 |
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Group Actions Seminar |
Topic: |
TBA |
Presenter: |
Nir Avni, Harvard University |
Date: |
Tuesday, April 20, 2010, Time: 12:30 p.m., Location: Fine Hall 322 |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Dragos Oprea, UCSD |
Date: |
Tuesday, April 20, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Analysis Seminar |
Topic: |
TBA |
Presenter: |
Justin Holmer, Brown University |
Date: |
Monday, April 26, 2010, Time: 4:00 p.m., Location: Fine Hall 110 |
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PACM Colloquium |
Topic: |
TBA |
Presenter: |
Jonathan Weare, Courant Institute for Mathematics, NYC |
Date: |
Monday, April 26, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
Valentino Tosatti, Columbia University |
Date: |
Friday, April 30, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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MAY 2010 |
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PACM Colloquium |
Topic: |
TBA |
Presenter: |
Stephen Howard, University of Melbourne, Australia |
Date: |
Monday, May 3, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
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Algebraic Geometry Seminar |
Topic: |
TBA |
Presenter: |
Yves Cornulier, CNRS, Université de Rennes 1 |
Date: |
Tuesday, May 4, 2010, Time: 4:30 p.m., Location: Fine Hall 322 |
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Differential Geometry and Geometric Analysis Seminar |
Topic: |
TBA |
Presenter: |
Xavier Cabre, Universitat Politècnica de Catalunya |
Date: |
Friday, May 7, 2010, Time: 3:00 p.m., Location: Fine Hall 314 |
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PACM Colloquium |
Topic: |
TBA |
Presenter: |
Anthony Peirce, University of British Columbia |
Date: |
Monday, May 17, 2010, Time: 4:30 p.m., Location: Fine Hall 214 |
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