Works matching AU VOLKMANN, LUTZ

Results: 90

Edge-Removal and Edge-Addition in $$\alpha $$ -Domination.

Published in:

Graphs & Combinatorics, 2016, v. 32, n. 3, p. 1155, doi. 10.1007/s00373-015-1614-6

By:

Rad, Nader;
Volkmann, Lutz

Publication type:

Article

Signed Roman k-domination in Digraphs.

Published in:

Graphs & Combinatorics, 2016, v. 32, n. 3, p. 1217, doi. 10.1007/s00373-015-1641-3

By:

Volkmann, Lutz

Publication type:

Article

Signed Roman $$k$$ -Domination in Graphs.

Published in:

Graphs & Combinatorics, 2016, v. 32, n. 1, p. 175, doi. 10.1007/s00373-015-1536-3

By:

Henning, Michael;
Volkmann, Lutz

Publication type:

Article

Roman Domination Dot-critical Graphs.

Published in:

Graphs & Combinatorics, 2013, v. 29, n. 3, p. 527, doi. 10.1007/s00373-012-1139-1

By:

Jafari Rad, Nader;
Volkmann, Lutz

Publication type:

Article

k-Domination and k-Independence in Graphs: A Survey.

Published in:

Graphs & Combinatorics, 2012, v. 28, n. 1, p. 1, doi. 10.1007/s00373-011-1040-3

By:

Chellali, Mustapha;
Favaron, Odile;
Hansberg, Adriana;
Volkmann, Lutz

Publication type:

Article

On the Roman Bondage Number of Planar Graphs.

Published in:

Graphs & Combinatorics, 2011, v. 27, n. 4, p. 531, doi. 10.1007/s00373-010-0978-x

By:

Jafari Rad, Nader;
Volkmann, Lutz

Publication type:

Article

Structural Remarks on Bipartite Graphs with Unique f-Factors.

Published in:

Graphs & Combinatorics, 2005, v. 21, n. 4, p. 421, doi. 10.1007/s00373-005-0631-2

By:

Hoffmann, Arne;
Volkmann, Lutz

Publication type:

Article

Extendable Cycles in Multipartite Tournaments.

Published in:

Graphs & Combinatorics, 2004, v. 20, n. 2, p. 185, doi. 10.1007/s00373-003-0548-6

By:

Guo, Yubao;
Volkmann, Lutz

Publication type:

Article

A remark on degree sequences of multigraphs.

Published in:

Mathematical Methods of Operations Research, 2009, v. 69, n. 2, p. 369, doi. 10.1007/s00186-008-0265-2

By:

Meierling, Dirk;
Volkmann, Lutz

Publication type:

Article

Total restrained bondage in graphs.

Published in:

Acta Mathematica Sinica, 2013, v. 29, n. 6, p. 1033, doi. 10.1007/s10114-013-1085-8

By:

Jafari Rad, Nader;
Hasni, Roslan;
Raczek, Joanna;
Volkmann, Lutz

Publication type:

Article

The Roman k-domatic number of a graph.

Published in:

Acta Mathematica Sinica, 2011, v. 27, n. 10, p. 1899, doi. 10.1007/s10114-011-0385-0

By:

Sheikholeslami, Seyed;
Volkmann, Lutz

Publication type:

Article

Smallest close to regular bipartite graphs without an almost perfect matching.

Published in:

Acta Mathematica Sinica, 2010, v. 26, n. 8, p. 1403, doi. 10.1007/s10114-010-9124-1

By:

Volkmann, Lutz;
Zingsem, Axel

Publication type:

Article

Weak Signed Roman Domination in Digraphs.

Published in:

Tamkang Journal of Mathematics, 2021, v. 52, n. 4, p. 497, doi. 10.5556/j.tkjm.52.2021.3523

By:

Volkmann, Lutz

Publication type:

Article

Edge-connectivity in p-partite graphs.

Published in:

Journal of Graph Theory, 1989, v. 13, n. 1, p. 1, doi. 10.1002/jgt.3190130103

By:

Volkmann, Lutz

Publication type:

Article

Cyclic sums, network sharing, and restricted edge cuts in graphs with long cycles.

Published in:

Networks, 2008, v. 52, n. 4, p. 252, doi. 10.1002/net.20243

By:

Rautenbach, Dieter;
Volkmann, Lutz

Publication type:

Article

Quasi total double Roman domination in trees.

Published in:

Communications in Combinatorics & Optimization, 2024, v. 9, n. 1, p. 159, doi. 10.22049/cco.2023.28186.1469

By:

Akhoundi, Maryam;
Khan, Aysha;
Shafi, Jana;
Volkmann, Lutz

Publication type:

Article

Independent Italian bondage of graphs.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 4, p. 649, doi. 10.22049/CCO.2023.28662.1657

By:

Kosari, Saeed;
Amjadi, Jafar;
Khan, Aysha;
Volkmann, Lutz

Publication type:

Article

Signed total Italian domination in digraphs.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 3, p. 457, doi. 10.22049/CCO.2022.27700.1318

By:

Volkmann, Lutz

Publication type:

Article

Total restrained Roman domination.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 3, p. 575, doi. 10.22049/CCO.2022.27628.1303

By:

Amjadi, Jafar;
Samadi, Babak;
Volkmann, Lutz

Publication type:

Article

Remarks on the restrained Italian domination number in graphs.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 1, p. 183, doi. 10.22049/CCO.2021.27471.1269

By:

Volkmann, Lutz

Publication type:

Article

Signed total Italian κ-domatic number of a graph.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 1, p. 39, doi. 10.22049/CCO.2021.27165.1207

By:

Volkmann, Lutz

Publication type:

Article

Restrained double Italian domination in graphs.

Published in:

Communications in Combinatorics & Optimization, 2023, v. 8, n. 1, p. 1, doi. 10.22049/CCO.2021.27334.1236

By:

Volkmann, Lutz

Publication type:

Article

Weak signed Roman k-domatic number of a graph.

Published in:

Communications in Combinatorics & Optimization, 2022, v. 7, n. 1, p. 17, doi. 10.22049/cc0.2021.26998.1178

By:

Volkmann, Lutz

Publication type:

Article

On connectivity in graphs with given clique number.

Published in:

Journal of Graph Theory, 2006, v. 52, n. 1, p. 7

By:

Angelika Hellwig;
Lutz Volkmann

Publication type:

Article

Proof of a conjecture on irredundance perfect graphs.

Published in:

Journal of Graph Theory, 2002, v. 41, n. 4, p. 292, doi. 10.1002/jgt.10068

By:

Volkmann, Lutz;
Zverovich, Vadim E.

Publication type:

Article

How local irregularity gets global in a graph.

Published in:

Journal of Graph Theory, 2002, v. 41, n. 1, p. 18, doi. 10.1002/jgt.10043

By:

Rautenbach, Dieter;
Volkmann, Lutz

Publication type:

Article

Vertex pancyclic in-tournaments.

Published in:

Journal of Graph Theory, 2001, v. 36, n. 2, p. 84, doi. 10.1002/1097-0118(200102)36:2<84::AID-JGT4>3.0.CO;2-D

By:

Tewes, Meike;
Volkmann, Lutz

Publication type:

Article

Degree sequence conditions for maximally edge-connected graphs and digraphs.

Published in:

Journal of Graph Theory, 1997, v. 26, n. 1, p. 27, doi. 10.1002/(SICI)1097-0118(199709)26:1<27::AID-JGT4>3.0.CO;2-J

By:

Dankelmann, Peter;
Volkmann, Lutz

Publication type:

Article

Locally semicomplete digraphs that are complementary m-pancyclic.

Published in:

Journal of Graph Theory, 1996, v. 21, n. 2, p. 121, doi. 10.1002/(SICI)1097-0118(199602)21:2<121::AID-JGT2>3.0.CO;2-T

By:

Guo, Yubao;
Volkmann, Lutz

Publication type:

Article

Weakly Hamiltonian-connected locally semicomplete digraphs.

Published in:

Journal of Graph Theory, 1996, v. 21, n. 2, p. 163, doi. 10.1002/(SICI)1097-0118(199602)21:2<163::AID-JGT5>3.0.CO;2-P

By:

Bang-Jensen, Jørgen;
Guo, Yubao;
Volkmann, Lutz

Publication type:

Article

Connectivity properties of locally semicomplete digraphs.

Published in:

Journal of Graph Theory, 1994, v. 18, n. 3, p. 269, doi. 10.1002/jgt.3190180306

By:

Guo, Yubao;
Volkmann, Lutz

Publication type:

Article

Sufficient conditions for equality of connectivity and minimum degree of a graph.

Published in:

Journal of Graph Theory, 1993, v. 17, n. 6, p. 695, doi. 10.1002/jgt.3190170606

By:

Topp, Jerzy;
Volkmann, Lutz

Publication type:

Article

A new domination conception.

Published in:

Journal of Graph Theory, 1993, v. 17, n. 3, p. 315, doi. 10.1002/jgt.3190170306

By:

Stracke, Christoph;
Volkmann, Lutz

Publication type:

Article

Class 1 conditions depending on the minimum degree and the number of vertices of maximum degree.

Published in:

Journal of Graph Theory, 1990, v. 14, n. 2, p. 225, doi. 10.1002/jgt.3190140211

By:

Niessen, Thomas;
Volkmann, Lutz

Publication type:

Article

Factors of Locally almost Regular Graphs.

Published in:

Bulletin of the London Mathematical Society, 1991, v. 23, n. 2, p. 121

By:

Joentgen, Arno;
Volkmann, Lutz

Publication type:

Article

MAXIMALLY AND SUPER CONNECTED MULTISPLIT GRAPHS AND DIGRAPHS.

Published in:

Applicable Analysis & Discrete Mathematics, 2019, v. 13, n. 1, p. 224, doi. 10.2298/AADM170716024G

By:

Litao Guo;
Guifu Su;
Volkmann, Lutz;
Xingke Zhao

Publication type:

Article

The signed (k; k)-domatic number of digraphs.

Published in:

Mathematical Communications, 2012, v. 17, n. 2, p. 537

By:

SHEIKHOLESLAMI, SEYED MAHMOUD;
VOLKMANN, LUTZ

Publication type:

Article

The k-Rainbow Domination and Domatic Numbers of Di-graphs.

Published in:

Kyungpook Mathematical Journal, 2016, v. 56, n. 1, p. 69, doi. 10.5666/KMJ.2016.56.1.69

By:

SHEIKHOLESLAMI, S. M.;
VOLKMANN, LUTZ

Publication type:

Article

Weakly Complementary Cycles in 3-Connected Multipartite Tournaments.

Published in:

Kyungpook Mathematical Journal, 2008, v. 48, n. 2, p. 287, doi. 10.5666/KMJ.2008.48.2.287

By:

Volkmann, Lutz;
Winzen, Stefan

Publication type:

Article

Lower bounds on the signed total k-domination number of graphs.

Published in:

Aequationes Mathematicae, 2016, v. 90, n. 2, p. 271, doi. 10.1007/s00010-015-0375-x

By:

Volkmann, Lutz

Publication type:

Article

Nordhaus–Gaddum type inequalities on the total Italian domination number in graphs.

Published in:

RAIRO: Operations Research (2804-7303), 2022, v. 56, n. 4, p. 2235, doi. 10.1051/ro/2022108

By:

Sheikholeslami, Seyed Mahmoud;
Volkmann, Lutz

Publication type:

Article

Restrained double Roman domination of a graph.

Published in:

RAIRO: Operations Research (2804-7303), 2022, v. 56, n. 4, p. 2293, doi. 10.1051/ro/2022089

By:

Mojdeh, Doost Ali;
Masoumi, Iman;
Volkmann, Lutz

Publication type:

Article

Independence and k-domination in graphs.

Published in:

International Journal of Computer Mathematics, 2011, v. 88, n. 5, p. 905, doi. 10.1080/00207160.2010.482664

By:

Hansberg, Adriana;
Meierling, Dirk;
Volkmann, Lutz

Publication type:

Article

A general method in the theory of domination in graphs.

Published in:

International Journal of Computer Mathematics, 2010, v. 87, n. 13, p. 2915, doi. 10.1080/00207160903137167

By:

Hansberg, Adriana;
Meierling, Dirk;
Volkmann, Lutz

Publication type:

Article

Oriented diameter of maximal outerplanar graphs.

Published in:

Journal of Graph Theory, 2021, v. 98, n. 3, p. 426, doi. 10.1002/jgt.22707

By:

Wang, Xiaolin;
Chen, Yaojun;
Dankelmann, Peter;
Guo, Yubao;
Surmacs, Michel;
Volkmann, Lutz

Publication type:

Article

Disprove of a Conjecture on the Doubly Connected Domination Subdivision Number.

Published in:

Bulletin of the Iranian Mathematical Society, 2022, v. 48, n. 4, p. 1351, doi. 10.1007/s41980-021-00586-8

By:

Kosari, Saeed;
Shao, Zehui;
Sheikholeslami, Seyed Mahmoud;
Karami, Hossein;
Volkmann, Lutz

Publication type:

Article

An Upper Bound on the Double Roman Domination Number.

Published in:

Bulletin of the Iranian Mathematical Society, 2021, v. 47, n. 5, p. 1315, doi. 10.1007/s41980-020-00442-1

By:

Ouldrabah, Lyes;
Volkmann, Lutz

Publication type:

Article

Sufficient Conditions for Maximally Edge-connected and Super-edge-connected Digraphs Depending on the Size.

Published in:

Acta Mathematica Sinica, 2019, v. 35, n. 12, p. 1861, doi. 10.1007/s10114-019-8448-8

By:

Milz, Sebastian;
Volkmann, Lutz

Publication type:

Article

Sufficient Conditions for Graphs to Be k-Connected, Maximally Connected, and Super-Connected.

Published in:

Complexity, 2021, p. 1, doi. 10.1155/2021/5588146

By:

Hong, Zhen-Mu;
Xia, Zheng-Jiang;
Chen, Fuyuan;
Volkmann, Lutz

Publication type:

Article

Sufficient Conditions for Graphs to Be k-Connected, Maximally Connected, and Super-Connected.

Published in:

Complexity, 2021, p. 1, doi. 10.1155/2021/5588146

By:

Hong, Zhen-Mu;
Xia, Zheng-Jiang;
Chen, Fuyuan;
Volkmann, Lutz

Publication type:

Article