Publikationen des Lehrstuhl II für Mathematik

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Publications 2012
The signed (k, k)-domatic number of digraphs  
Lutz Volkmann, S.M. Sheikholeslami
Math. Commun. 17 (2012), no. 1-2, 537-546.
 
Publications 2011
Signed total k-domatic numbers of digraphs  
M. Atapour, S.M. Sheikholeslami, Lutz Volkmann
Kragujevac J. Math. 35 (2011), 359-368.
Treewidth Computations II. Lower Bounds  
Hans L. Bodlaender, Arie M.C.A. Koster
Information and Computation 209 (2011), no. 7, 1103--1119.
Recoverable Robust Knapsacks: the Discrete Scenario Case  
Christina Büsing, Arie M.C.A. Koster, Manuel Kutschka
Optimization Letters 5 (2011), no. 3, 379--392.
Line planning, path constrained network flow and inapproximability  
Christina Büsing, Sebastian Stiller
Networks 57 (2011), no. 1, 106 -- 113.
Characterization of trees with equal 2-domination number and domination number plus two  
Mustapha Chellali, Lutz Volkmann
Discuss. Math. Graph Theory 31 (2011), 687-697.
On coordinated cutting plane generation and mixed integer programs with nonconvex 2-norm constraints  
Stefano Coniglio
PhD thesis from Dipartimento di Elettronica e Informazione, Politecnico di Milano (2011).
On coordinated cutting plane generation and mixed integer programs with nonconvex 2-norm constraints  
Stefano Coniglio
PhD thesis from Dipartimento di Elettronica e Informazione, Politecnico di Milano (2011).
On the Roman k-bondage number of a graph  
N. Dehgardi, S.M. Sheikholeslami, Lutz Volkmann
AKCE Int. J. Graphs Combin. 8 (2011), 169-180.
Unique response Roman domination in graphs  
E. Ebrahimi Targhi, N. Jafari Rad, Lutz Volkmann
Discrete Appl. Math. 159 (2011), 1110--1117.
Geodetic domination in graphs  
R. Escuadro, N. Gera, Adriana Hansberg, N. Jafari Rad, Lutz Volkmann
J. Combin. Math. Combin. Comput. 77 (2011), 89--101.
Characterization of Roman domination critical unicyclic graphs  
Adriana Hansberg, N. Jafari Rad, Lutz Volkmann
Util. Math. 86 (2011), 129-146.
Independence and k-domination in graphs  
Adriana Hansberg, Dirk Meierling, Lutz Volkmann
Int. J. Comput. Math. 88 (2011), no. 5, 905--915.
2-domination in bipartite graphs with odd independence number  
Adriana Hansberg, Lutz Volkmann
Australas. J. Combin. 51 (2011), 115-124.
On 2-domination and independence domination numbers of graphs  
Adriana Hansberg, Lutz Volkmann
Ars Combin. 101 (2011), 405--415.
On local connectivity of K(2,p)-free graphs  
A. Holtkamp, Lutz Volkmann
Australas. J. Combin. 51 (2011), 29-40.
On the Roman bondage number of planar graphs  
N. Jafari Rad, Lutz Volkmann
Graphs Combin. 27 (2011), 531--538.
Roman bondage in graphs  
N. Jafari Rad, Lutz Volkmann
Discuss. Math. Graph Theory 31 (2011), 763-773.
Roman domination dot-critical trees  
N. Jafari Rad, Lutz Volkmann
AKCE Int. J. Graphs Combin. 8 (2011), 75-83.
Roman domination perfect graphs  
N. Jafari Rad, Lutz Volkmann
An. Stiint. Univ. ``Ovidius' Constanta Ser. Mat. 19 (2011), 167-174.

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