Analysis, Geometry and Applications

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Laboratory of Mathematics and its Applications of PAU (LMAP)
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Analysis, geometry and applications

The “Analysis, geometry and applications” team works on two main lines of research.

  1. Analysis of PDE and optimization
  2. Algebraic geometry of projective spaces and low-dimensional topology

Analysis of PDE and optimization

  • Mathematical analysis of nonlinear degenerate elliptic or parabolic equation problems, hyperbolic conservation law problems with possible parabolic/hyperbolic coupled systems along an interface, deterministic versions of pseudo-parabolic equation problems. Study of singular solutions and qualitative behavior of the solutions to quasi-linear elliptic problems.
  • Mathematical analysis of certain equations resulting from fluid mechanics (Navier Stokes, Stokes, Oseen).
  • Problems related to dynamic systems in biomathematics, applied to medicine in particular: study of new mathematical models of leukemia.
  • Optimization - Calculus of variations: nonsmooth analysis, calculus of variations. Problems related to nonsmooth analysis (optimality conditions, sub-gradients, generalized Hessian). Existence of and at extremal properties in the case of singularity functions. A second theme concerns problems posed by generalized calculus of variations (stochastic, fractional, non-differentiable, singular).

 

Algebraic geometry of projective spaces and low-dimensional topology

  • Arrangement of hyperplanes.
  • Complex plane algebraic curves, topological invariants of their embedding potential (fundamental group, characteristic varieties, Alexander modules).
  • Logarithmic bundles and derivation modules associated with an arrangement.
  • Derived categories and their uses in moduli spaces of bundles.
  • Knot theory, braid groups and their representations.
  • Determinantal varieties, Cohen-Macaulay and Ulrich modules.