### A representation theorem for operators on a space of interval functions.

Chatfield, J.A. (1978)

International Journal of Mathematics and Mathematical Sciences

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Chatfield, J.A. (1978)

International Journal of Mathematics and Mathematical Sciences

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Ivanka Tr. Angelova, Lubin G. Vulkov (2007)

Kragujevac Journal of Mathematics

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Demetrovics, Janos, Thi, Vu Duc, Giang, Nguyen Long (2013)

Serdica Journal of Computing

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There are limitations in recent research undertaken on attribute reduction in incomplete decision systems. In this paper, we propose a distance-based method for attribute reduction in an incomplete decision system. In addition, we prove theoretically that our method is more effective than some other methods.

Wang, Liang-Cheng, Ma, Xiu-Fen, Liu, Li-Hong (2009)

JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]

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Xin, Guoce (2011)

The Electronic Journal of Combinatorics [electronic only]

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Kapitonov, Boris V., Perla Menzala, G. (2003)

Portugaliae Mathematica. Nova Série

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Xue, Qingying, Zhang, Juyang (2009)

Journal of Inequalities and Applications [electronic only]

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Zaslavski, Alexander J. (2006)

Journal of Inequalities and Applications [electronic only]

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Ishikawa, Masao, Kawamuko, Hiroyuki, Okada, Soichi (2005)

The Electronic Journal of Combinatorics [electronic only]

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Neammanee, K. (2005)

International Journal of Mathematics and Mathematical Sciences

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Zhongxue, Lü, Hongzheng, Xie (2002)

International Journal of Mathematics and Mathematical Sciences

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Jean-Charles Régin, Michel Rueher (2005)

RAIRO - Operations Research - Recherche Opérationnelle

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This paper introduces a new method to prune the domains of the variables in constrained optimization problems where the objective function is defined by a sum $y=\Sigma {x}_{i}$, and where the integer variables ${x}_{i}$ are subject to difference constraints of the form ${x}_{j}-{x}_{i}\le c$. An important application area where such problems occur is deterministic scheduling with the mean flow time as optimality criteria. This new constraint is also more general than a sum constraint defined on a set of ordered variables. Classical...