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72 papers · 1 filter
SINR Diagrams: Towards Algorithmically Usable SINR Models of Wireless Networks
Chen Avin, Yuval Emek, Erez Kantor +3
The rules governing the availability and quality of connections in a wireless network are described by physical models such as the signal-to-interference & noise ratio (SINR) model…
On The Structure and Automorphism Group of Finite Alexander Quandles
Amiel Ferman, Tahl Nowik, Mina Teicher
We prove that an Alexander quandle of prime order is generated by any pair of distinct elements. Furthermore, we prove for such a quandle that any ordered pair of distinct elements…
Theory of Single File Diffusion in a Force Field
E. Barkai, R. Silbey
The dynamics of hard-core interacting Brownian particles in an external potential field is studied in one dimension. Using the Jepsen line we find a very general and simple formula…
Large thermomagnetic effects in weakly disordered Heisenberg chains
E. Shimshoni, D. Rasch, P. Jung +2
The interplay of different scattering mechanisms can lead to novel effects in transport. We show theoretically that the interplay of weak impurity and Umklapp scattering in spin-1/…
The quiver of an algebra associated to the Mantaci-Reutenauer descent algebra and the homology of regular semigroups
Stuart Margolis, Benjamin Steinberg
We develop the homology theory of the algebra of a regular semigroup, which is a particularly nice case of a quasi-hereditary algebra in good characteristic. Directedness is charac…
Partition relations for Hurewicz-type selection hypotheses
Nadav Samet, Marion Scheepers, Boaz Tsaban
We give a general method to reduce Hurewicz-type selection hypotheses into standard ones. The method covers the known results of this kind and gives some new ones. Building on that…