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10 papers · 1 filter
LaOFeSe, a Mott insulator on the brink of orbital-selective metalization
Gianluca Giovannetti, Luca de' Medici, Markus Aichhorn +1
LaOFeSe can be explained in terms of Mott localization in sharp contrast with the metallic behavior of FeSe and other parent parent compounds of iron superconductor…
The Next 700 Impossibility Results in Time-Varying Graphs
Nicolas Braud-Santoni, Swan Dubois, Mohamed-Hamza Kaaouachi +1
We address highly dynamic distributed systems modeled by time-varying graphs (TVGs). We interest in proof of impossibility results that often use informal arguments about convergen…
Linearizable special cases of the QAP
Eranda Cela, Vladimir G. Deineko, Gerhard J. Woeginger
We consider special cases of the quadratic assignment problem (QAP) that are linearizable in the sense of Bookhold. We provide combinatorial characterizations of the linearizable i…
On conjectures and problems of Ruzsa concerning difference graphs of S-units
Ante Custic, Lajos Hajdu, Dijana Kreso +1
Given a finite nonempty set of primes S, we build a graph with vertex set by connecting x and y if the prime divisors of both the numerator and denominat…
Recommending Scientific Literature: Comparing Use-Cases and Algorithms
Roman Kern, Kris Jack, Michael Granitzer
An important aspect of a researcher's activities is to find relevant and related publications. The task of a recommender system for scientific publications is to provide a list of…
On -Gons and -Holes in Point Sets
Oswin Aichholzer, Ruy Fabila-Monroy, Hernán González-Aguilar +6
We consider a variation of the classical Erdős-Szekeres problems on the existence and number of convex -gons and -holes (empty -gons) in a set of points in the plane.…