"The universal meaning of the quantum of action", by Jun Ishiwara
(Never) Mind your p's and q's: Von Neumann versus Jordan on the
  Foundations of Quantum Theory
Photon-photon scattering at the high-intensity frontier Breather induced quantized superfluid vortex filaments and their
  characterization On quaternionic complexes over unimodular quaternionic manifolds Radio signatures from encounters between Neutron Stars and QCD-Axion
  Minihalos around Primordial Black Holes Multistability, local pattern formation, and global collective firing in
  a small-world network of non-leaky integrate-and-fire neurons Bayesian Inference of Social Norms as Shared Constraints on Behavior The Variational Gaussian Process An upper bound on the volume of the symmetric difference of a body and a
  congruent copy Twisted index theory on good orbifolds, I: noncommutative Bloch theory Plasma code for astrophysical charge exchange emission at X-ray
  wavelengths Perturbative Analysis of Spectral Singularities and Their Optical
  Realizations The Anti-FPU Problem On a spectral problem in magnetohydrodynamics and its relevance for the
  geodynamo HEP data analysis using jHepWork and Java The Present and Future of Searching for Dark Matter with LUX and LZ Improving brain computer interface performance by data augmentation with
  conditional Deep Convolutional Generative Adversarial Networks Looking backward: From Euler to Riemann On the zeros of L-functions The MeerKAT Telescope as a Pulsar Facility: System verification and
  early science results from MeerTime Two Algorithms for Finding $k$ Shortest Paths of a Weighted Pushdown
  Automaton
physics.hist-ph quant-ph