Search Results - "Borozan, Valentin"
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1
Proper connection of graphs
Published in Discrete mathematics (06-09-2012)“…An edge-colored graph G is k-proper connected if every pair of vertices is connected by k internally pairwise vertex-disjoint proper colored paths. The…”
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2
Minimal Valid Inequalities for Integer Constraints
Published in Mathematics of operations research (01-08-2009)“…In this paper, we consider a semi-infinite relaxation of mixed-integer linear programs. We show that minimal valid inequalities for this relaxation correspond…”
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3
Proper Hamiltonian cycles in edge-colored multigraphs
Published in Discrete mathematics (01-08-2017)“…A c-edge-colored multigraph has each edge colored with one of the c available colors and no two parallel edges have the same color. A proper Hamiltonian cycle…”
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4
Proper Hamiltonian Paths in Edge-Coloured Multigraphs
Published in Graphs and combinatorics (01-07-2017)“…Given a c -edge-coloured multigraph, where c is a positive integer, a proper Hamiltonian path is a path that contains all the vertices of the multigraph such…”
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5
Partitioning a Graph into Highly Connected Subgraphs
Published in Journal of graph theory (01-07-2016)“…Given k≥1, a k‐proper partition of a graph G is a partition P of V(G) such that each part P of P induces a k‐connected subgraph of G. We prove that if G is a…”
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From Edge-Coloring to Strong Edge-Coloring
Published in The Electronic journal of combinatorics (21-04-2015)“…In this paper we study a generalization of both proper edge-coloring and strong edge-coloring: $k$-intersection edge-coloring, introduced by Muthu, Narayanan…”
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Proper Hamiltonian Paths in Edge-Colored Multigraphs
Published in Electronic notes in discrete mathematics (01-12-2011)“…A c-edge-colored multigraph has each edge colored with one of the c available colors and no two parallel edges have the same color. A proper hamiltonian path…”
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Further results on strong edge-colourings in outerplanar graphs
Published 19-12-2013“…An edge-colouring is {\em strong} if every colour class is an induced matching. In this work we give a formulae that determines either the optimal or the…”
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9
Proper Hamiltonian Cycles in Edge-Colored Multigraphs
Published 19-11-2014“…A $c$-edge-colored multigraph has each edge colored with one of the $c$ available colors and no two parallel edges have the same color. A proper Hamiltonian…”
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10
Proper Hamiltonian Paths in Edge-Coloured Multigraphs
Published 20-06-2014“…Given a $c$-edge-coloured multigraph, a proper Hamiltonian path is a path that contains all the vertices of the multigraph such that no two adjacent edges have…”
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11
Partitioning a graph into highly connected subgraphs
Published 12-01-2014“…Given $k\ge 1$, a $k$-proper partition of a graph $G$ is a partition ${\mathcal P}$ of $V(G)$ such that each part $P$ of ${\mathcal P}$ induces a $k$-connected…”
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