Publikationen von Volkmann

Total vertex-edge domination in trees

H.A. Ahangar, Mustapha Chellali, S.M. Sheikholeslami, Marzieh Soroudi, Lutz Volkmann

Acta Math. Univ. Comenianae 90 (2021), 127--143.

Domination number, Independent domination number and 2-independence number in trees

Hamideh Aram, N. Dehgardi, S.M. Sheikholeslami, Mina Valinavaz, Lutz Volkmann

Discuss. Math. Graph Theory 41 (2021), 39--49.

Bounds on the outer-independent double Italian domination number

F. Azvin, N. Jafari Rad, Lutz Volkmann

Communications in Combinatorics and Optimization 6 (2021), no. 1, 123--136.

Oriented diameter of maximal outerplanar graphs

Yaojun Chen, Peter Dankelmann, Yubao Guo, M. Surmacs, Lutz Volkmann, Xiaolin Wang

J. Graph Theory 98 (2021), 426--444.

Nordhaus-Gaddum type results for connected and total domination

R. Khoeilar, H. Karami, Mustapha Chellali, S.M. Sheikholeslami, Lutz Volkmann

RAIRO -- Operations Research 55 (2021), S853--S862.

An upper bound on the double Roman domination number

Lyes Ouldrabah, Lutz Volkmann

Bull. Iranian Math. Soc. 47 (2021), 1315--1323.

Remarks on the outer-independent double Italian domination number

Lutz Volkmann

Opuscula Math. 41 (2021), 259--268.

Signed total Italian k-domination in graphs

Lutz Volkmann

Communications in Combinatorics and Optimization 6 (2021), 171--183.

Weak signed Roman domination in digraphs

Lutz Volkmann

Tamkang J. Math. 52 (2021), 497--508.

Weak signed Roman k-domination in graphs

Lutz Volkmann

Communications in Combinatorics and Optimization 6 (2021), no. 1, 1--15.

On the signed Roman k-domination in graphs

J. Amjadi, S. Nazari-Moghaddam, S.M. Sheikholeslami, Lutz Volkmann

Quaest. Math. 43 (2020), 1065--1082.

A survey on Roman domination parameters in directed graphs

Mustapha Chellali, N. Jafari Rad, S.M. Sheikholeslami, Lutz Volkmann

J. Combin. Math. Combin. Comput. 115 (2020), 141--171.

Roman domination in graphs

Mustapha Chellali, N. Jafari Rad, S.M. Sheikholeslami, Lutz Volkmann

In Topics in Domination in Graphs, Eds. T.W. Haynes, S.T. Hedetniemi and M.A. Henning, Springer (2020), 365--409.

Varieties of Roman domination II

Mustapha Chellali, N. Jafari Rad, S.M. Sheikholeslami, Lutz Volkmann

AKCE Int. J. Graphs Combin. 17 (2020), 966--984.

Bounds on the co-Roman domination number in graphs

N. Dehgardi, S.M. Sheikholeslami, Marzieh Soroudi, Lutz Volkmann

Asian-Eur. J. Math. 13 (2020), no. 8, 12 pp.

Nonnegative signed total Roman domination in graphs

N. Dehgardi, Lutz Volkmann

Communications in Combinatorics and Optimization 5 (2020), 139--155.

Multiple Domination

Adriana Hansberg, Lutz Volkmann

In: Topics in Domination in Graphs, Eds. T.W Haynes, S.T. Hedetniemi and M.A. Henning, Springer (2020), 151--203.

Total double Roman domination in graphs

Guoliang Hao, Lutz Volkmann, Doost Ali Mojdeh

Communication in Combinatorics and Optimization 5 (2020), 27--39.

Graphs with large Italian domination number

Teresa W. Haynes, Michael Henning, Lutz Volkmann

Bull. Malays. Math. Sci. Soc. 43 (2020), 4273--4287.

A proof of a conjecture on the differential of a subcubic graph

R. Khoeilar, H. Karami, Mustapha Chellali, S.M. Sheikholeslami, Lutz Volkmann

Discrete Appl. Math. 287 (2020), 27--39.