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15 papers · 1 filter
Extensions of the Charged Riemannian Penrose Inequality
Marcus Khuri, Gilbert Weinstein, Sumio Yamada
In this paper we investigate the extension of the charged Riemannian Penrose inequality to the case where charges are present outside the horizon. We prove a positive result when t…
Well-dominated graphs without cycles of lengths 4 and 5
Vadim E. Levit, David Tankus
Let be a graph. A set of vertices in dominates the graph if every vertex of is either in or a neighbor of a vertex in . Finding a minimal cardinality set whi…
A variant of the Hadwiger-Debrunner (p,q)-problem in the plane
Sathish Govindarajan, Gabriel Nivasch
Let be a convex curve in the plane (say, the unit circle), and let be a family of planar convex bodies, such that every two of them meet at a point of . Then $\…
Probing Properties of Cold Radiofrequency Plasma with Polymer Probe
Edward Bormashenko, Gilad Chaniel, Victor Multanen
The probe intended for the characterization of cold plasma is introduced. The probe allows estimation of the Debye length of the cold plasma. The probe is based on the pronounced m…
Magnetic impurities make superconductivity in 3D Dirac semi-metal triplet
Baruch Rosenstein, B. Ya. Shapiro, Dingping Li +1
Conventional electron-phonon coupling induces either odd (triplet) or even (singlet) pairing states in a time reversal and inversion invariant Dirac semi - metal. In certain range…
Triplet superconductivity in 3D Dirac semimetal due to exchange interaction
Baruch Rosenstein, B. Ya. Shapiro, Dingping Li +1
Conventional phonon-electron interaction induces either triplet or one of two (degenerate) singlet pairing states in time reversal and inversion invariant 3D Dirac semi - metal. In…