Results 21 to 30 of about 8,696,392 (355)
Sufficient Conditions of 6-Cycles Make Planar Graphs DP-4-Colorable
Mathematics, 2022 In simple graphs, DP-coloring is a generalization of list coloring and thus many results of DP-coloring generalize those of list coloring. Xu and Wu proved that every planar graph without 5-cycles adjacent simultaneously to 3-cycles and 4-cycles is 4 ...
Kittikorn Nakprasit +2 more
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LIFE CYCLE OF PRODUCTS AND CYCLES [PDF]
Macroeconomic Dynamics, 2010 The aim of this paper is to examine whether the development of waste recycling activities can be a source of economic fluctuations. We assume that the recycling sector has four fundamental characteristics. (i) The production factors are restricted by the production of the last period.
de Beir, Jean +2 more
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Life cycle analysis of road construction and use [PDF]
, 2019 Both the construction and use of roads have a range of environmental impacts; therefore, it is important to assess the sources of their burdens to adopt correct mitigation policies.
D'Andrea, Antonio +2 more
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Nauka ta progres transportu, 2014 Purpose. Most of the freight traffic in Ukraine is made by railway transport. Government statistics of annual railway freight traffic (January-November) records the following data: 2011 - 468 million tons (108.2% to 2010); 2012 – 421.5 million tons (98.
А. R. Мilianych
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Odd Harmonious Labeling of Pn ⊵ C4 and Pn ⊵ D2(C4)
Indonesian Journal of Combinatorics, 2021 A graph G with q edges is said to be odd harmonious if there exists an injection f:V(G) → ℤ2q so that the induced function f*:E(G)→ {1,3,...,2q-1} defined by f*(uv)=f(u)+f(v) is a bijection.Here we show that graphs constructed by edge comb product of ...
Sabrina Shena Sarasvati +2 more
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Journal of Institutional and Theoretical Economics, 2013 Evidence supports the notion that those who grow up to be patient do better than those who do not. Parents can inculcate the virtue of delayed gratification in their children by taking the right actions. We study a model in which parents, for selfish reasons, invest resources to raise patient children.
Barnett, Richard +2 more
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The Electronic Journal of Combinatorics, 2022 Noting that cycle diagrams of permutations visually resemble grid diagrams used to depict knots and links in topology, we consider the knot (or link) obtained from the cycle diagram of a permutation. We show that the permutations which correspond in this way to an unknot are enumerated by the Schröder numbers, and also enumerate the permutations ...
Cornwell, Christopher, McNew, Nathan
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Frontiers in Energy Research, 2022 The fast and reliable detection of subsynchronous oscillations (SSOs) in wind farms is important for maintaining the stable operation of a power system.
Lei Wang +5 more
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К вопросу о двойном финале в Квартете № 13 Бетховена
Вестник музыкальной науки, 2014 Поздние квартеты Бетховена, в частности Большая фуга ор. 133, неоднократно привлекали внимание музыковедов. В статье они исследуются в аспекте исторической преемственности с принципами циклообразования, характерными для эпохи барокко.
Гончаренко, С. С.
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On Local Antimagic Chromatic Number of Cycle-Related Join Graphs
Discussiones Mathematicae Graph Theory, 2021 An edge labeling of a connected graph G = (V, E) is said to be local antimagic if it is a bijection f : E → {1, . . ., |E|} such that for any pair of adjacent vertices x and y, f+(x) ≠ f+(y), where the induced vertex label f+(x) = Σf(e), with e ranging ...
Lau Gee-Choon, Shiu Wai-Chee, Ng Ho-Kuen
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