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5 papers · 1 filter
Green function theory of orbital magnetic moment of interacting electrons in solids
F. Aryasetiawan, K. Karlsson, T. Miyake
A general formula for the orbital magnetic moment of interacting electrons in solids is derived using the many-electron Green function method. The formula factorizes into two parts…
A mass-flow MILP formulation for energy-efficient supplying in assembly lines
Maria Muguerza, Cyril Briand, Nicolas Jozefowiez +3
This paper focuses on the problem of supplying the workstations of assembly lines with components during the production process. For that specific problem, this paper presents a Mi…
Isometric point-circle configurations on surfaces from uniform maps
Milagros Izquierdo, Klara Stokes
We embed neighborhood geometries of graphs on surfaces as point-circle configurations. We give examples coming from regular maps on surfaces with maximum number of automorphisms fo…
Patterns of ideals of numerical semigroups
Klara Stokes
This article introduces patterns of ideals of numerical semigroups, thereby unifying previous definitions of patterns of numerical semigroups. Several results of general interest a…
Irreducibility of configurations
Klara Stokes
In a paper from 1886, Martinetti enumerated small -configurations. One of his tools was a construction that permits to produce a -configuration from a -configura…