Linking disjoint axis-parallel segments into a simple polygon is hard
  too
Matching Curves to Imprecise Point Sets using Fr\'echet Distance
Ionisation in atmospheres of Brown Dwarfs and extrasolar planets II
  Dust-induced collisional ionization Quantum simulation of clustered photosynthetic light harvesting in a
  superconducting quantum circuit A Jordan-Hoelder Theorem for Differential Algebraic Groups Satellite Constellation Internet Affordability and Need Stellar Accelerations and the Galactic Gravitational Field Stand Up Indulgent Rendezvous Pair supersolid of the extended Bose-Hubbard model with atom-pair
  hopping on the triangular Lattice Quantum Godwin's Law Torques without Rotation: the Right-Angle Lever High-resolution Fourier-transform XUV photoabsorption spectroscopy of
  14N15N Frobenius Manifolds as a Special Class of Submanifolds in
  Pseudo-Euclidean Spaces Opposite Thermodynamic Arrows of Time Measuring the Effects of Artificial Viscosity in SPH Simulations of
  Rotating Fluid Flows Physics-Informed Echo State Networks for Chaotic Systems Forecasting Ginzburg algebras and the Hitchin connection for parabolic G-bundles Displacement convexity of generalized relative entropies Two variants of the MCV3 scheme Quantum Iterative Deepening with an application to the Halting problem
cs.CG cs.CC