A rigorous path integral for quantum spin using flat-space Wiener regularization
A Rigorous Path Integral for Supersymmetric Quantum Mechanics and the Heat Kernel
A rigorous proof of the Landau-Peierls formula and much more
A Rigorous Real Time Feynman Path Integral
A rigorous real time Feynman Path Integral and Propagator
A rigorous treatment of the perturbation theory for many-electron systems
A Robertson-type Uncertainty Principle and Quantum Fisher Information
A Robust Iterative Unfolding Method for Signal Processing
A Schrödinger singular perturbation problem
A second eigenvalue bound for the Dirichlet Laplacian in hyperbolic space
A second eigenvalue bound for the Dirichlet Schroedinger operator
A second row Parking Paradox
A selection of nonequilibrium issues
A self-similar field theory for 1D linear elastic continua and self-similar diffusion problem
A semi-algorithm to find elementary first order invariants of rational second order ordinary differential equations
A Semi-Algorithmic Search for Lie Symmetries
A semi-analytical finite element method for a class of time-fractional diffusion equations
A Semi-Classical Approach to Gravitation, Mass and Spin
A Semi-classical calculus of correlations
A semi-classical inverse problem I: Taylor expansions