Výsledky vyhľadávania - combinatorics) Keywords
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4-tangrams are 4-avoidable
ISSN: 1365-8050, 1462-7264, 1365-8050Vydavateľské údaje: Nancy DMTCS 01.10.2025Vydané v Discrete Mathematics and Theoretical Computer Science (01.10.2025)“…A tangram is a word in which every letter occurs an even number of times. Thus it can be cut into parts that can be arranged into two identical words. The…”
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Watson-Crick conjugates of words and languages
ISSN: 1365-8050, 1462-7264, 1365-8050Vydavateľské údaje: Nancy DMTCS 01.10.2025Vydané v Discrete Mathematics and Theoretical Computer Science (01.10.2025)“…In this work, we explore the concept of Watson-Crick conjugates, also known as $θ$-conjugates (where $θ$ is an antimorphic involution), of words and languages…”
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Words avoiding the morphic images of most of their factors
ISSN: 1365-8050, 1462-7264, 1365-8050Vydavateľské údaje: DMTCS 01.10.2025Vydané v Discrete Mathematics and Theoretical Computer Science (01.10.2025)“…We say that a finite factor $f$ of a word $w$ is \emph{imaged} if there exists a non-erasing morphism $m$, distinct from the identity, such that $w$ contains…”
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Combinatorics of nondeterministic walks
ISSN: 2331-8422Vydavateľské údaje: Ithaca Cornell University Library, arXiv.org 06.11.2023Vydané v arXiv.org (06.11.2023)“…This paper introduces nondeterministic walks, a new variant of one-dimensional discrete walks. The main difference to classical walks is that its…”
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Analysis of Students' Combinatorial Thinking Model in Solving Combinatorics Problems
ISSN: 2518-668X, 2518-668XVydavateľské údaje: 26.04.2024Vydané v KnE Social Sciences (26.04.2024)“…The purpose of this study was to analyze students’ combinatorial thinking in solving combinatorics problems…”
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A logical limit law for $231$-avoiding permutations
ISSN: 1365-8050, 1462-7264, 1365-8050Vydavateľské údaje: Nancy DMTCS 01.01.2024Vydané v Discrete Mathematics and Theoretical Computer Science (01.01.2024)“… in $[0,1]$. Our tools come mainly from analytic combinatorics and singularity analysis…”
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Efficient Enumeration of Non-isomorphic Interval Graphs
ISSN: 1462-7264, 1365-8050Vydavateľské údaje: Nancy DMTCS 01.01.2021Vydané v Discrete Mathematics and Theoretical Computer Science (01.01.2021)“… In this paper, we improve their algorithm and achieve O([n.sup.3] logn) time delay. We also extend the catalog of these graphs providing a list of all non-isomorphic interval graphs for all n up to 15. Keyword…”
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The Fractal Nature of Combinatorial Sets and Finding Formulas for Combinatorial Numbers
ISSN: 1060-0396, 1573-8337Vydavateľské údaje: New York Springer US 01.01.2020Vydané v Cybernetics and systems analysis (01.01.2020)“… Using the fractal properties of the sets, an approach to solving enumeration problems in combinatorics is developed…”
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Extended formulations in combinatorial optimization
ISSN: 0254-5330, 1572-9338Vydavateľské údaje: Boston Springer US 01.04.2013Vydané v Annals of operations research (01.04.2013)“…This survey is concerned with the size of perfect formulations for combinatorial optimization problems. By “perfect formulation”, we mean a system of linear…”
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Humanitarian supply chain: a bibliometric analysis and future research directions
ISSN: 0254-5330, 1572-9338Vydavateľské údaje: New York Springer US 01.12.2022Vydané v Annals of operations research (01.12.2022)“…Humanitarian supply chain (HSC) has attracted enormous interest from both practitioners and academics lately, mainly because of its essential role in curbing…”
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A remark on Kashin’s discrepancy argument and partial coloring in the Komlós conjecture
ISSN: 0032-5155, 1662-2758Vydavateľské údaje: European Mathematical Society Publishing House 01.01.2022Vydané v Portugaliae mathematica (01.01.2022)“…In this expository note, we discuss an early partial coloring result of B. Kashin (1985). Although this result only implies Spencer’s six standard deviations…”
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Combinatorics, groups, algorithms, and complexity: conference in honor of Laci Babai's 60th birthday
ISSN: 1462-7264Vydavateľské údaje: DMTCS 01.12.2011Vydané v Discrete Mathematics and Theoretical Computer Science (01.12.2011)“…This special issue of Discrete Mathematics & Theoretical Computer Science is dedicated to the conference Combinatorics, Groups, Algorithms, and Complexity held at The Ohio State University between March 21-25, 2010. Honoring Laszlo (Laci…”
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An efficient approach for searching optimal multi-keywords coverage routes
ISSN: 1382-6905, 1573-2886Vydavateľské údaje: New York Springer US 01.09.2022Vydané v Journal of combinatorial optimization (01.09.2022)“…Keyword-aware optimal route queries are a combinatorial optimization problem with three factors, namely keyword coverage, route budget constraint and route popularity, which is NP-hard…”
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On Colorings of 3-Homogeneous Hypergraphs in 3 Colors
ISSN: 1072-3374, 1573-8795Vydavateľské údaje: New York Springer US 16.10.2020Vydané v Journal of mathematical sciences (New York, N.Y.) (16.10.2020)“…In this paper, we examine the value m(n, r) in the Erdős–Hajnal problem. Using various methods, we obtain the estimate 27 ≤ m(3) ≤ 35…”
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Statistical Mechanics, Integrability and Combinatorics
ISSN: 2281-7727, 2281-9711Vydavateľské údaje: Firenze Firenze University Press 01.06.2016Vydané v Colle di Galileo (01.06.2016)“… Keywords. Statistical mechanics, lattice models, quantum integrability, exact results, combinatorics, tilings, dimers, growth processes, limit shape phenomena, random matrices, random surfaces, determinantal…”
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Two-stage stochastic lot-sizing problem under cost uncertainty
ISSN: 0254-5330, 1572-9338Vydavateľské údaje: Boston Springer US 01.10.2013Vydané v Annals of operations research (01.10.2013)“…For production planning problems, cost parameters can be uncertain due to marketing activities and interest rate fluctuation. In this paper, we consider a…”
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Development of collaboration matrix using co-occurrence and combinatoric system as scientometrics analysis
ISSN: 0973-7766, 2168-930XVydavateľské údaje: New Delhi Routledge 03.07.2019Vydané v Collnet journal of scientometrics and information management (03.07.2019)“… Design/methodology/approach - This study takes metadata of the author's name, author's affiliate, and keyword from National Scientific Repository (RIN…”
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The Methodology of Teaching Algorithms of Combinatorics: Permutations, Combinations, Arrangements
ISSN: 2298-0032, 2346-8270Vydavateľské údaje: 15.12.2018Vydané v Journal of Technical Science and Technologies (15.12.2018)“…In this article we have described the methodology for teaching the algorithms of combinatorics which are often used when solving tasks of informatics…”
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On Transfinite Levels of the Ershov Hierarchy
ISSN: 1079-8986, 1943-5894Vydavateľské údaje: New York Cambridge University Press 01.06.2021Vydané v The bulletin of symbolic logic (01.06.2021)“…In this thesis, we study Turing degrees in the context of classical recursion theory. What we are interested in is the partially ordered structures $\mathcal…”
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Classifying human promoters by occupancy patterns identifies recurring sequence elements, combinatorial binding, and spatial interactions
ISSN: 1741-7007, 1741-7007Vydavateľské údaje: London BioMed Central 15.11.2018Vydané v BMC biology (15.11.2018)“…Background Characterizing recurring sequence patterns in human promoters has been a challenging undertaking even nowadays where a near-complete overview of…”
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