Calendar
Dissertations are listed in DiVA.
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–11:15
DNA seminar: Zero-one laws for uniform shrinking target systems
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–12:00
The PDEs and Applications seminar: Central Limit Theorem for linear statistics for orthogonal polynomial ensembles on the unit circle
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–15:00
Geometry and Topology: Legendrian surgery formula and Chekanov-Eliashberg algebras for singular Legendrian
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–15:00
Stochastic Analysis and Applications: Optimal switching problems: solution techniques and applications
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–12:00
Doctoral thesis defence: 7D supersymmetric Yang-Mills theory on toric and hypertoric manifolds
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–12:00
The PDEs and Applications seminar: Homogenisation with error estimates of attractors for damped semi-linear anisotropic wave equations
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–16:00
Stochastic Analysis and Applications: Optimal dividends with partial information and stopping of a degenerate reflecting diffusion
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–17:00
CAPA: Beltrami fields with hyperbolic periodic orbits enclosed by knotted invariant tori
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–12:00
The PDEs and Applications seminar: Boundedness of Schrödinger Integral Operators in Sobolev Spaces
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–10:00
Stochastic Analysis and Applications: Playing stopping games against a ghost
Abstract: We study a class of optimal stopping games (Dynkin games) with uncertainty about the existence of competitors. We show that there exists a Nash equilibrium in randomized stopping times which is described explicitly in terms of the corresponding one-player game.
This is joint work with Tiziano De Angelis.
Welcome! -
–15:00
Geometry and Topology: Legendrian surgery formula and Chekanov-Eliashberg algebras for singular Legendrian, part II
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–11:15
Probability, Statistics and Combinatorics: Strictly weak consensus in the uniform compass model on Z
Abstract: We investigate a model for opinion dynamics, in which individuals are modeled by vertices of a graph. As time progresses, neighboring individuals interact, which results in a realignment of their opinions closer towards each other and as a result triggers formation of a consensus. Our main focus is on strong consensus (i.e. global agreement of all individuals) versus weak consensus (i.e.
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–16:15
CAPA: Global instability for `complete' families of perturbations with two or three independent harmonics
We prove that for any non-trivial perturbation depending
on any two independent harmonics of a pendulum and a rotor
there is global instability, also called Arnold diffusion.
The proof is based on the geometrical method and relies on
the concrete computation of several scattering maps.
A complete description of the different kinds of scattering maps
taking place as well as the existence of piecewi -
–11:15
The PDEs and Applications seminar: Wave equations close to Cauchy and event horizons and applications in general relativity
Abstract: The fundamental equations in Einstein's theory of general relativity are wave equations on curved spaces. The behavior of waves becomes particularly interesting close to event horizons of black holes or close to so called Cauchy horizons. I will explain new results on this topic and relate them to the following classical open questions:
Is there a general mathematical obstruction to time -
–11:00
Stochastic Analysis and Applications: Moment constrained optimal dividends: precommitment & consistent planning
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–14:15
DNA-semainariet: Diophantine approximation in number fields
Abstract: Classical Diophantine approximation, roughly speaking, seeks to quantify the statement "the rationals are dense in the reals".
In this seminar, I will explain how analogues of results from this area can be proven in number fields: as an example, I will discuss a classical result, namely Gallagher's zero-one law, give a statement of this in number fields, and sketch a proof, outlining th -
–11:15
Simple homotopy type of the Hamiltonian Floer complex
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–15:15
Geometry and topology: Legendrian surgery formula and Chekanov-Eliashberg algebras for singular Legendrian III
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–11:15
Probability, Statistics and Combinatorics: A path wise approach to branching processes with pairwise interactions
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–14:15
CAPA: A computer-assisted proof for H(4)≥24 in Hilbert’s sixteenth problem
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–11:15
PDE and applications: Mathematical methods for uncertainty and exclusion in quantum mechanics
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–11:15
PDE and Applications: Mathematical methods for uncertainty and exclusion in quantum mechanics
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–15:15
Geometry and topology: Legendrian surgery formula and Chekanov-Eliashberg algebras for singular Legendrian IV
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–15:00
Selected Topics in Continuum Percolation: Phase Transitions, Cover Times and Random Fractals
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–11:15
PDE:s and applications: On the existence and uniqueness of vectorial absolute minimisers in Calculus of Variations in L-infinity
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–11:15
Stochastic Analysis and Applications: The value of a liability cash flow in discrete time subject to capital requirements
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–11:15
PDEs and applications: Smart and Sustainable – the Universal Scaling Laws of Organisms and Cities.
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–16:15
CAPA: Physical measures and measure rigidity for partially hyperbolic systems with two dimensional center
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–11:15
Stochastic Analysis and Applications: Stochastic differential situations on non-smooth time-dependent domains
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–15:15
Geometry and topology: Obstructions to planarity in higher-dimensional contact manifolds
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Colloquium (Kathryn Hess): Topological adventures in neuroscience
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–11:00
The PDEs and Applications seminar: Interior estimates for elliptic operators associated with low regularity Riemannian metrics
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–12:00
The PDEs and Applications seminar: The minimal regularity Dirichlet problem for degenerate elliptic PDEs beyond symmetric coefficients
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–15:00
Geometry and Topology: Non-displaceable Lagrangian links in four-manifolds
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–15:00
Docent lecture (Thomas Kragh)
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–14:00
Presentation av examensarbete E i matematik: Bayesian sequential testing of the drift of a multi-dimensional Brownian motion
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–11:15
PDEs and Applications seminar: Elliptic Boundary Problems in Infinitesimally Flat Uniformly Rectifiable Domains
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–12:15
PDEs and Applications seminar: Neural networks for quantum many-body physics
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–11:15
Probability and statistics seminar: On 1-independent random graphs
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–16:30
Colloquium (Irina Mitrea): The Art of Integrating by Parts
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–11:15
The PDEs and Applications seminar: Scaling limits in conformal Laplacian random growth model
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–16:15
CAPA: A negative result in the spectral determination of triangles
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–11:15
Probability and Statistics Seminar: Voronoï percolation in the hyperbolic plane
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–11:15
PDEs and Applications seminar: Anisotropic elliptic problems
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–12:15
PDEs and Applications seminar: The surface diffusion flow with elasticity
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–15:15
Geometry and topology: Invariants of codimension 2 contact submanifolds
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–16:30
Colloquium (Fredrik Viklund):
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–11:15
PDE and applications: Of Lorenz Butterflies and other animals: atmospheric predictability from dynamical systems and machine learning perspectives
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–11:15
Probability and Statistics Seminar: Branching processes with merges and locality of hypercube’s critical percolation
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–11:15
The PDEs and Applications seminar: Strong maximum principle and boundary estimates for nonlinear nonhomogeneous elliptic PDEs
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–11:15
Probability and Statistics Seminar: On stability of traveling wave solutions for integro-differential equations related to branching Markov processes
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–11:15
The PDEs and Applications seminar: Stability Within Expanding Cosmological Spacetimes
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–12:15
Probability and Statistics Seminar: Scaling of 3d uniform spanning trees
We prove existence of a scaling limit (in various topologies) for uniform spanning trees of Z^3. Based on work with David Croydon, Sarai Hernandez-Torres and Daisuke Shiraishi.
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–11:15
The PDEs and Applications seminar: Energy estimates for non-linear maximal functions
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–11:15
The PDEs and Applications seminar: Energy estimates for non-linear maximal functions
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–12:15
The PDEs and Applications: Gaussian analytic functions and operator symbols of Dirichlet type
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–11:15
Probability and Statistics Seminar: Bijective proofs of skew Schur polynomial factorizations
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–11:15
The PDEs and Applications seminar: Non-chiral intermediate long wave equation
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–16:15
Algebra and geometry: A crystal structure for stable Grothendieck polynomials
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–15:15
Geometry and topology: Polynomial hulls, knots, and holomorphic motions
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–11:15
Probability and statistics seminar: Central limit theorems for additive functionals and fringe trees in tries
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–11:15
PDEs and applications seminar: Concave power solutions of the Dominative p-Laplace equation
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–13:00
Teaching Lunch
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–15:00
Geometry and Topology: Hodge-Gromov-Witten theory
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–12:15
Probability and statistics seminar: On the Collection of Fringe Subtrees in Random Binary Trees
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–11:15
PDEs and applications: Machine Learning and Algorithmic Trading
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–16:15
Algebra and geometry: Cyclic sieving on circular Dyck paths
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–15:15
Geometry och topology: Del Pezzo surfaces and rational curves
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–11:15
Probability and statistics seminar: Sampling Contingency Tables
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–19:00
Uppsala Ph.D. Mathematics Conference
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–11:15
PDEs and applications seminar: Anyons on networks from a geometric perspective
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–15:00
Geometry and Topology: Using co-algebras, co-modules, injective resolutions and Serre fibrations to compute SWF-bar
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–16:30
Information about PhD studies
Information about PhD studies at our department.
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–16:15
Algebra and geometry: Cancelled
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–16:15
Algebra and geometry: Probably cancelled due to the Corona virus
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–14:00
Ergodic theory and applications to combinatorial problems
Presentation av kandidatuppsats.
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–16:15
Algebra and geometry: TBA
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–17:00
Self-injective cores and (non-)cell 2-representations
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–16:15
Algebra and geometry: New date: May 19
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–11:15
Presentation of master project
Conditional mean variables: A method for estimating latent linear relationships with discretized observations
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–17:00
Algebra and geometry: Quivers for semigroup algebras of binary relations of small rank
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–16:15
Algebra and geometry: Global dimension of (higher) Nakayama algebras
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–14:15
PhD defense
Constructions of n-cluster tilting subcategories using representation-directed algebras. Opponent: prof. Øyvind Solberg (NTNU).
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–16:15
Presentation of licentiate thesis
Cells and 2-representations of bimodules over Nakayama algebras