Results 81 to 90 of about 778,762 (206)
, 2010 The 2-player impartial game of Wythoff Nim is played on two piles of tokens. A move consists in removing any number of tokens from precisely one of the piles or the same number of tokens from both piles.
Larsson, Urban
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Theoretical Computer Science, 1995 We give a survey on modular Nim or Kotzig's Nim is a 2-player perfect information game without chance moves, invented by Anton Kotzig in 1940. A finite move set \(M=\{a_1,\dots,a_m\}\in(\mathbb{Z}^+)^m\) (of distinct elements \(a_i\)) is given, as well as a modulus \(n\in\mathbb{Z}^+\). We imagine the numbers \(0,1,\dots,n-1\) written on equally spaced
Fraenkel, Aviezri S. +3 more
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Nim-Regularity of Graphs [PDF]
The Electronic Journal of Combinatorics, 1999 Ehrenborg and Steingrímsson defined simplicial Nim, and defined Nim-regular complexes to be simplicial complexes for which simplicial Nim has a particular type of winning strategy. We completely characterize the Nim-regular graphs by the exclusion of two vertex-induced subgraphs, the graph on three vertices with one edge and the graph on five ...
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Small, EarlyView.Density functional theory calculations and microkinetic modeling were carried out on 108 dual‐atom catalysts with varied metalmetal distances ranging from 2.2 to 3.5 Å. The results reveal that moderate spacing of around 3.0 Å promotes bridging oxygen adsorption and dissociative reduction pathways, weakens the hydroxylhydroperoxyl scaling relationship ...
Yu Mao +7 more
wiley +1 more source
Engineering Proton Conductive Metal–Organic Glasses Through Secondary Network Formers
Small, EarlyView.Incorporating secondary network formers enables access to metal–organic glass with tunable structures and properties. This strategy allows systematic control over key metrics, including anhydrous proton conductivities up to 2.6 mS cm−1 at 150°C, a linear increase in glass transition temperature from 11.0°C to 57.4°C, and more than a 200‐fold increase ...
Nattapol Ma +3 more
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Small, EarlyView.A chelating coordination strategy using ethylenediamine diacetate (EDDA) is introduced to regulate crystallization and passivate defects in Sn–Pb perovskite solar cells. Interfacial coordination at both buried and top surfaces suppresses Sn2+ oxidation, reduces defects, and enhances charge extraction, enabling over 23% efficiency with improved voltage,
Md. Abdul Karim +9 more
wiley +1 more source
Scientia Agricola, 2000 Estudou-se o efeito tóxico do extrato metanólico da amêndoa da semente de nim, obtido pelo aparelho de Soxhlet, na mortalidade de ovos e lagartas de Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). Para constatação do efeito ovicida, ovos com 24 horas
Roseane Cristina Prédes Trindade +3 more
doaj
Notes on Number Theory and Discrete MathematicsIn this study, we propose a variant of Nim that uses two piles. In the first pile, we have stones with a weight of a, and in the second pile, we have stones with a weight of -2a, where a is a natural number.
Shoei Takahashi +2 more
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Nim is a well-known combinatorial game, in which two players alternately remove stones from distinct piles. A player who removes the last stone wins under the normal play rule, while a player loses under the misère play rule. In this paper, we propose a new variant of Nim with scoring that generalizes both the normal and misère play versions of Nim as ...
Oginuma, Hiromi, Shinoda, Masato
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2D Iron Oxide at the Graphene/SiC(0001) Interface
Small Methods, EarlyView.2D iron oxide was successfully formed via intercalation of Fe and O into the graphene/SiC(0001) interface. Atomic‐resolution electron microscopy revealed that the 2D iron oxide is encapsulated by graphene and sharply interfaced with SiC. This material is suggested to exhibit antiferromagnetic behavior at low temperatures.
Ryotaro Sakakibara +5 more
wiley +1 more source