On the concept of mass point in general relativity
Particle Motion and Electromagnetic Fields of Rotating Compact
  Gravitating Objects with Gravitomagnetic Charge
Randomness extraction and asymptotic Hamming distance Interacting electrons and bosons in the doubly screened $G\widetilde{W}$
  approximation: A time-linear scaling method for first-principles simulations A comparison of the Georgescu and Vasy spaces associated to the N-body
  problems and applications Randomized Structural Sparsity via Constrained Block Subsampling for
  Improved Sensitivity of Discriminative Voxel Identification Simplicial Flat Norm with Scale Dynamical system modeling fermionic limit Interaction of streamers in air and other oxygen-nitrogen mixtures Estimates for the spectral radius of a random walk on the modular group Entangled light-matter interactions and spectroscopy Open/Closed String Topology and Moduli Space Actions via Open/Closed
  Hochschild Actions Near Neighbor Search via Efficient Average Distortion Embeddings Logspace computations for Garside groups of spindle type A Reduction for Optimizing Lattice Submodular Functions with Diminishing
  Returns Matrix Bispectrality of Full Rank One Algebras Decentralized Stochastic Gradient Tracking for Non-convex Empirical Risk
  Minimization Bethe Ansatz approach to the pairing fluctuations in the mesoscopic
  regime A criterion of simultaneously symmetrization and spectral finiteness for
  a finite set of real 2-by-2 matrices Deep learning of interface structures from the 4D STEM data: cation
  intermixing vs. roughening Nitrate ions spikes in ice cores are not suitable proxies for solar
  proton events An efficient full wave solver for eddy currents
gr-qc astro-ph