Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Mark W. Lewis"'
Autor:
Haibo Wang, Gary A. Kochenberger, Yu Du, Mark W. Lewis, Takeshi Tsuyuguchi, Weihong Xie, Fred Glover
Publikováno v:
International Journal of Information Technology & Decision Making. 21:59-81
Finding good solutions to clique partitioning problems remains a computational challenge. With rare exceptions, finding optimal solutions for all but small instances is not practically possible. However, choosing the most appropriate modeling structu
Publikováno v:
Journal of Heuristics. 27:695-717
Ribonucleic acid (RNA) molecules play informational, structural, and metabolic roles in all living cells. RNAs are chains of nucleotides containing bases {A, C, G, U} that interact via base pairings to determine higher order structure and functionali
Autor:
Mark W. Lewis, Amit Verma
Publikováno v:
Optimization Letters. 14:1557-1569
Pseudo-Boolean functions (PBF) are closed algebraic representations of set functions that are closely related to nonlinear binary optimizations and have numerous applications. Algorithms for PBF of degree two (quadratic) are NP-Hard and third and fou
Autor:
Mark W. Lewis, Amit Verma
Publikováno v:
Discrete Optimization. 44:100594
Quadratic Unconstrained Binary Optimization (QUBO) modeling has become a unifying framework for solving a wide variety of both unconstrained as well as constrained optimization problems. More recently, QUBO (or equivalent − 1 ∕ + 1 Ising Spin) mo
Publikováno v:
European Journal of Operational Research. 265:829-842
The quadratic unconstrained binary optimization (QUBO) problem arises in diverse optimization applications ranging from Ising spin problems to classical problems in graph theory and binary discrete optimization. The use of preprocessing to transform
Autor:
Fred Glover, Mark W. Lewis
Publikováno v:
Networks. 70:79-97
The Quadratic Unconstrained Binary Optimization problem QUBO has become a unifying model for representing a wide range of combinatorial optimization problems, and for linking a variety of disciplines that face these problems. A new class of quantum a
Publikováno v:
Brain Injury. 31:639-648
To develop an ecologically valid measure of executive functioning (i.e. Planning and Organization, Executive Memory, Initiation, Cognitive Shifting, Impulsivity, Sustained and Directed Attention, Error Detection, Error Correction and Time Management)
Publikováno v:
Optimization Letters. 9:1331-1339
The generalized vertex cover problem (GVCP) was recently introduced in the literature and modeled as a binary linear program. GVCP extends classic vertex cover problems to include both node and edge weights in the objective function. Due to reported
Publikováno v:
Annals of Data Science. 1:15-23
In this paper, we investigate a natural nonlinear alternative to a standard linear model for CCP and compare the two models on a set of test problems. Our results show that moderate sized instances of CCP can in fact be solved optimally with modern e
Publikováno v:
International Journal of Operational Research. 36:441
In this paper we focus on the unconstrained binary quadratic optimisation model, maximise xtQx, x binary, and consider the problem of identifying optimal solutions that are robust with respect to perturbations in the Q matrix. We are motivated to fin