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5 papers · 1 filter
A Random-Key Optimizer for Combinatorial Optimization
Antonio A. Chaves, Mauricio G. C. Resende, Martin J. A. Schuetz +4
This paper introduces the Random-Key Optimizer (RKO), a versatile and efficient stochastic local search method tailored for combinatorial optimization problems. Using the random-ke…
A Mean Value Theorem for general Dirichlet Series
Frederik Broucke, Titus Hilberdink
In this paper we obtain a mean value theorem for a general Dirichlet series with positive coefficients for which the counting function $A(x)…
Integer Linear-Exponential Programming in NP by Quantifier Elimination
Dmitry Chistikov, Alessio Mansutti, Mikhail R. Starchak
This paper provides an NP procedure that decides whether a linear-exponential system of constraints has an integer solution. Linear-exponential systems extend standard integer line…
Breakdown of order-fractionalization in the CPT model
Aaditya Panigrahi, Alexei Tsvelik, Piers Coleman
We present an analysis of the half-filled CPT model, an analytically tractable Kondo lattice model with Yao-Lee spin-spin interactions on a 3D hyperoctagon lattice, proposed by Col…
Bijections between Variants of Dyck Paths and Integer Compositions
Manosij Ghosh Dastidar, Michael Wallner
We give bijective results between several variants of lattice paths of length (or ) and integer compositions of n, all enumerated by the seemingly innocuous formula $4^{…