The Back and Forth Nudging algorithm for data assimilation problems:
  theoretical results on transport equations
Null controllability of the 1D heat equation using flatness
On the maximum rank of Toeplitz block matrices of blocks of a given
  pattern On the limit cycle for the 1/r^2 potential in momentum space Darboux Transformations of Bispectral Quantum Integrable Systems Shifted Coisotropic Correspondences Federated Learning Meets Fairness and Differential Privacy Using local dynamics to explain analog forecasting of chaotic systems Peaks in the CMBR power spectrum. I. Mathematical analysis of the
  associated real space features Relative family Gromov-Witten invariants and symplectomorphisms Recent searches for solar axions and large extra dimensions OBTAIN: Real-Time Beat Tracking in Audio Signals Quasi-exactly solvable quartic potential Control of Magnetic Order in Spinel ZnFe$_2$O$_4$ Thin Films Through
  Intrinsic Defect Manipulation Logarithmically Improved Criteria for Navier-Stokes Equations In-phase oscillations from the cooperation of cellular and network
  positive feedback in synaptically-coupled oscillators Exploiting Heterogeneity in Robust Federated Best-Arm Identification Fast computation of the principal components of genotype matrices in
  Julia Plancherel formula for Berezin deformation of $L^2$ on Riemannian
  symmetric space Linear superpositions of gap solitons in periodic Kerr media Optimisation of the lowest Robin eigenvalue in the exterior of a compact
  set, II: non-convex domains and higher dimensions Optimizing gravitational-wave searches for a population of coalescing
  binaries: Intrinsic parameters Are both BL Lacs and pulsar wind nebulae the astrophysical counterparts
  of IceCube neutrino events? Impact of Dissipation on Universal Fluctuation Dynamics in Open Quantum
  Systems
math.OC math.AP