Results 11 to 20 of about 1,365,580 (287)

Strategic Competence of Pre-Service Mathematics Teachers in Solving Environment and Culture-Based Combinatorial Problems [PDF]

open access: yesBIO Web of Conferences, 2023
Strategy is a very important part in solving mathematical problems. Pre-service mathematics teachers must master a variety of problem solving strategies.
Ramadhona Rezky   +2 more
doaj   +1 more source

The strong 3-rainbow index of some certain graphs and its amalgamation [PDF]

open access: yesOpuscula Mathematica, 2022
We introduce a strong \(k\)-rainbow index of graphs as modification of well-known \(k\)-rainbow index of graphs. A tree in an edge-colored connected graph \(G\), where adjacent edge may be colored the same, is a rainbow tree if all of its edges have ...
Zata Yumni Awanis, A.N.M. Salman
doaj   +1 more source

On locating-dominating number of comb product graphs

open access: yesIndonesian Journal of Combinatorics, 2020
We consider a set D ⊆ V(G) which dominate G and for every two distinct vertices x, y ∈ V(G) \ D, the open neighborhood of x and y in D are different. The minimum cardinality of D is called the locating-dominating number of G.
Aswan Anggun Pribadi   +1 more
doaj   +1 more source

Locating-chromatic number of the edge-amalgamation of trees

open access: yesIndonesian Journal of Combinatorics, 2020
The investigation on the locating-chromatic number of a graph was initiated by Char- trand et al. (2002). This concept is in fact a special case of the partition dimension of a graph. This topic has received much attention. However, the results are still
Dian Kastika Syofyan   +2 more
doaj   +1 more source

New techniques for cost sharing in combinatorial optimization games [PDF]

open access: yes, 2010
Combinatorial optimization games form an important subclass of cooperative games. In recent years, increased attention has been given to the issue of finding good cost shares for such games.
Caprara, A, Letchford, A N
core   +3 more sources

Shape theory and mathematical design of a general geometric kernel through regular stratified objects [PDF]

open access: yes, 2000
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This dissertation focuses on the mathematical design of a unified shape kernel for geometric computing, with possible applications to computer aided design (
Gomes, Abel Joao Padrao
core   +7 more sources

The rainbow 2-connectivity of Cartesian products of 2-connected graphs and paths

open access: yesElectronic Journal of Graph Theory and Applications, 2020
An edge-colored graph G is rainbow k-connected, if there are k-internally disjoint rainbow paths connecting every pair of vertices of G. The rainbow k-connection number of G, denoted by rck(G), is the minimum number of colors needed for which there ...
Bety Hayat Susanti   +2 more
doaj   +1 more source

The connected size Ramsey number for matchings versus small disconnected graphs

open access: yesElectronic Journal of Graph Theory and Applications, 2019
Let F, G,  and H be simple graphs. The notation F → (G, H) means that if all the edges of F are arbitrarily colored by red or blue, then there always exists either a red subgraph G or a blue subgraph H.
Hilda Assiyatun   +2 more
doaj   +1 more source

Combinatorial representations [PDF]

open access: yes, 2011
23pp. Submitted to J. Combinatorial Theory (Series A)arXiv:1109.1216v1 [math.CO]23pp. Submitted to J. Combinatorial Theory (Series A)23pp. Submitted to J.
Maximilien Gadouleau   +10 more
core   +1 more source

Total vertex irregularity strength of trees with maximum degree five

open access: yesElectronic Journal of Graph Theory and Applications, 2018
In 2010, Nurdin, Baskoro, Salman and Gaos conjectured that the total vertex irregularity strength of any tree T is determined only by the number of vertices of degrees 1, 2 and 3 in T. This paper will confirm this conjecture by considering all trees with
S. Susilawati   +2 more
doaj   +1 more source

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