Mixed graph colorings: A historical review

YN Sotskov - Mathematics, 2020 - mdpi.com
This paper presents a historical review and recent developments in mixed graph colorings in
the light of scheduling problems with the makespan criterion. A mixed graph contains both a …

Mixed graph colouring for unit-time scheduling

A Kouider, H Ait Haddadène, S Ourari… - International Journal of …, 2017 - Taylor & Francis
We consider the job shop scheduling problem with unit-time operations and the makespan
criterion. This problem is reduced to finding an optimal colouring of a special class of mixed …

Coloring mixed and directional interval graphs

G Gutowski, F Mittelstädt, I Rutter, J Spoerhase… - … Symposium on Graph …, 2022 - Springer
A has a set of vertices, a set of undirected edges, and a set of directed arcs. A of a mixed
graph G is a function c that assigns to each vertex in G a positive integer such that, for each …

Coloring and recognizing directed interval graphs

G Gutowski, K Junosza-Szaniawski, F Klesen… - arxiv preprint arxiv …, 2023 - arxiv.org
A\emph {mixed interval graph} is an interval graph that has, for every pair of intersecting
intervals, either an arc (directed arbitrarily) or an (undirected) edge. We are particularly …

Mixed integer linear programs and tabu search approach to solve mixed graph coloring for unit-time job shop scheduling

A Kouider, HA Haddadene, S Ourari… - 2015 IEEE …, 2015 - ieeexplore.ieee.org
Graph coloring is one of the most studied combinatorial optimization problems that can be
used to model several practical problems. This paper develops a reduction of job shop …

Solution methods for a scheduling problem with incompatibility and precedence constraints

FX Meuwly, B Ries, N Zufferey - Algorithmic Operations Research, 2010 - erudit.org
Consider a project which consists in a set of operations to be performed, assuming the
processing time of each operation is at most one time period. In this project, precedence and …

[HTML][HTML] Mixed graph edge coloring

H Furmańczyk, A Kosowski, B Ries, P Żyliński - Discrete mathematics, 2009 - Elsevier
We are interested in coloring the edges of a mixed graph, ie, a graph containing unoriented
and oriented edges. This problem is related to a communication problem in job-shop …

[HTML][HTML] Complexity of two coloring problems in cubic planar bipartite mixed graphs

B Ries - Discrete Applied Mathematics, 2010 - Elsevier
In this note we consider two coloring problems in mixed graphs, ie, graphs containing edges
and arcs, which arise from scheduling problems where disjunctive and precedence …

Geometric Representations of Graphs: Theory and Application

F Klesen - 2025 - opus.bibliothek.uni-wuerzburg.de
Graph Drawing is a field of research that has application in any field of science that needs to
visualize binary relations. This thesis covers various problems arising when drawing graphs …

Energy-aware joint scheduling of tasks and messages in wireless sensor networks

B Fateh, G Manimaran - 2010 IEEE International Symposium …, 2010 - ieeexplore.ieee.org
We consider the problem of energy-aware joint scheduling of tasks and messages with real-
time constraints in wireless networked embedded systems specifically wireless sensor …