Results 31 to 40 of about 1,918,409 (282)

An Effective Corner Increment-Based Algorithm for the Two-Dimensional Strip Packing Problem

open access: yesIEEE Access, 2018
The 2-D strip packing problem is an NP-hard combinatorial optimization problem. Given a strip with fixed width and infinite height, the aim of strip packing is to pack a set of rectangles with known widths and heights into the strip such that the used ...
Zhen Chen, Jianli Chen
doaj   +1 more source

A further analysis of Cuckoo Hashing with a Stash and Random Graphs of Excess r [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2010
Analysis of ...
Reinhard Kutzelnigg
doaj   +1 more source

Discrete mathematics in the high school curriculum

open access: yes, 2004
In this paper we present some topics from the field of discrete mathematics which might be suitable for the high school curriculum. These topics yield both easy to understand challenging problems and important applications of discrete mathematics.
van Lint, J.H.   +2 more
core   +1 more source

Storage sizing for embedding of local gas production in a micro gas grid

open access: yesEPJ Web of Conferences, 2014
In this paper we study the optimal control of a micro grid of biogas producers. The paper considers the possibility to have a local storage device for each producer, who partly consumes his own production, i.e. prosumer.
Alkano D.   +3 more
doaj   +1 more source

On the existence of independent (1,k)-dominating sets for k\in\{1,2\} in two products of graphs [PDF]

open access: yesOpuscula Mathematica
A subset \(J\) of vertices is said to be a \((1,k)\)-dominating set if every vertex \(v\) not belonging to the set \(J\) has a neighbour in \(J\) and there exists also another vertex in \(J\) within the distance at most \(k\) from \(v\).
Paweł Bednarz   +2 more
doaj   +1 more source

Split-critical and uniquely split-colorable graphs [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2010
Graphs and ...
Tınaz Ekim   +2 more
doaj   +1 more source

Discrete mathematics and applications

open access: yes, 2020
Advances in discrete mathematics are presented in this book with applications in theoretical mathematics and interdisciplinary research. Each chapter presents new methods and techniques by leading experts.
Rassias, Michael, Raigorodskii, Andrei
core   +1 more source

Sparse Group Feature Selection by Weighted Thresholding Homotopy Method

open access: yesIEEE Access, 2020
In this paper, we investigate the sparse group feature selection problem, in which covariates posses a grouping structure sparsity at the level of both features and groups simultaneously.
Jinglan Wu, Huating Huang, Wenxing Zhu
doaj   +1 more source

Regularity of nonlinear generalized functions: A counterexample in the nonstandard setting

open access: yesExamples and Counterexamples, 2021
Regularity theory in generalized function algebras of Colombeau type is largely based on the notion of G∞-regularity, which reduces to C∞-regularity when restricted to Schwartz distributions.
H. Vernaeve
doaj   +1 more source

A spotlight on mathematics education in the Netherlands and the central role of Realistic Mathematics Education [PDF]

open access: yes, 2020
In this introductory chapter I give a preview of the landscape of issues concerning mathematics education in the Netherlands and the role of Realistic Mathematics Education (RME) that one can come across in this volume, which contains the reflections of ...
Sub Mathematics Education   +5 more
core   +3 more sources

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