Ortrud R. Oellermann : rechercher sur Z-Library

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1

An Eulerian exposition

Linda Lesniak, Ortrud R. Oellermann

Journal:

Journal of Graph Theory

Année:

1986

Langue:

english

Fichier:

PDF, 984 KB

english, 1986

2

Steiner centers in graphs

Ortrud R. Oellermann, Songlin Tian

Journal:

Journal of Graph Theory

Année:

1990

Langue:

english

Fichier:

PDF, 515 KB

english, 1990

3

Bipartite Ramsey numbers and Zarankiewicz numbers

Wayne Goddard, Michael A. Henning, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2000

Langue:

english

Fichier:

PDF, 133 KB

english, 2000

4

Resolvability in graphs and the metric dimension of a graph

Gary Chartrand, Linda Eroh, Mark A. Johnson, Ortrud R. Oellermann

Journal:

Discrete Applied Mathematics

Année:

2000

Langue:

english

Fichier:

PDF, 185 KB

english, 2000

5

Traceability of -traceable oriented graphs

Susan A. van Aardt, Jean E. Dunbar, Marietjie Frick, Peter Katrenič, Morten H. Nielsen, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2010

Langue:

english

Fichier:

PDF, 588 KB

english, 2010

6

Helly theorems for 3-Steiner and 3-monophonic convexity in graphs

Morten H. Nielsen, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2011

Langue:

english

Fichier:

PDF, 277 KB

english, 2011

7

On maximum matchings in cubic graphs with a bounded number of bridge-covering paths

Chartrand, Gary, Kapoor, S.F., Oellermann, Ortrud R., Ruiz, Sergio

Journal:

Bulletin of the Australian Mathematical Society

Année:

1987

Langue:

english

Fichier:

PDF, 216 KB

english, 1987

8

On Saito’s Conjecture and the Oberly–Sumner Conjectures

van Aardt, Susan A., Dunbar, Jean E., Frick, Marietjie, Oellermann, Ortrud R., de Wet, Johan P.

Journal:

Graphs and Combinatorics

Année:

2017

Langue:

english

Fichier:

PDF, 740 KB

english, 2017

9

How to Define an Irregular Graph

Chartrand, Gary, Erdös, Paul, Oellermann, Ortrud R.

Journal:

College Mathematics Journal

Année:

1988

Langue:

english

Fichier:

PDF, 955 KB

english, 1988

10

A characterization of 3-Steiner distance hereditary graphs

Day, D. P., Oellermann, Ortrud R., Swart, Henda C.

Journal:

Année:

1997

Langue:

english

Fichier:

PDF, 174 KB

english, 1997

11

On Steiner centers and Steiner medians of graphs

Oellermann, Ortrud R.

Journal:

Année:

1999

Langue:

english

Fichier:

PDF, 143 KB

english, 1999

12

The average Steiner distance of a graph

Dankelmann, Peter, Oellermann, Ortrud R., Swart, Henda C.

Journal:

Journal of Graph Theory

Année:

1996

Langue:

english

Fichier:

PDF, 384 KB

english, 1996

13

Highly irregular graphs

Yousef Alavi, Gary Chartrand, F. R. K. Chung, Paul Erdös, R. L. Graham, Ortrud R. Oellermann

Journal:

Journal of Graph Theory

Année:

1987

Langue:

english

Fichier:

PDF, 531 KB

english, 1987

14

From steiner centers to steiner medians

Ortrud R. Oellermann

Journal:

Journal of Graph Theory

Année:

1995

Langue:

english

Fichier:

PDF, 457 KB

english, 1995

15

Conditional graph connectivity relative to hereditary properties

Ortrud R. Oellermann

Journal:

Année:

1991

Langue:

english

Fichier:

PDF, 553 KB

english, 1991

16

Bipartite regulation numbers

Yousef Alavi, Gary Chartrand, Ortrud R Oellermann, Linda Lesniak

Journal:

Discrete Mathematics

Année:

1986

Langue:

english

Fichier:

PDF, 371 KB

english, 1986

17

The connected cutset connectivity of a graph

Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

1988

Langue:

english

Fichier:

PDF, 1.10 MB

english, 1988

18

On the l-connectivity of a diagraph

D.P. Day, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Mathematics

Année:

1994

Langue:

english

Fichier:

PDF, 661 KB

english, 1994

19

Steiner distance stable graphs

Wayne Goddard, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Mathematics

Année:

1994

Langue:

english

Fichier:

PDF, 673 KB

english, 1994

20

The diversity of domination

Michael A. Henning, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Mathematics

Année:

1996

Langue:

english

Fichier:

PDF, 706 KB

english, 1996

21

Local edge domination critical graphs

Michael A. Henning, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Mathematics

Année:

1996

Langue:

english

Fichier:

PDF, 521 KB

english, 1996

22

A polynomial algorithm for testing whether a graph is 3-Steiner distance hereditary

Ortrud Oellermann, Jeremy P. Spinrad

Journal:

Information Processing Letters

Année:

1995

Langue:

english

Fichier:

PDF, 553 KB

english, 1995

23

On multipartite tournaments

Wayne D Goddard, Grzegorz Kubicki, Ortrud R Oellermann, Songlin Tian

Journal:

Journal of Combinatorial Theory, Series B

Année:

1991

Langue:

english

Fichier:

PDF, 1.09 MB

english, 1991

24

An algorithm to find two distance domination parameters in a graph

Gerd H. Fricke, Michael A. Henning, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Applied Mathematics

Année:

1996

Langue:

english

Fichier:

PDF, 467 KB

english, 1996

25

On the Steiner median of a tree

Lowell W. Beineke, Ortrud R. Oellermann, Raymond E. Pippert

Journal:

Discrete Applied Mathematics

Année:

1996

Langue:

english

Fichier:

PDF, 639 KB

english, 1996

26

The irregularity cost or sum of a graph

Frank Harary, Michael S. Jacobson, Ewa Kubicka, Grzegorz Kubicki, Ortrud R. Oellermann

Journal:

Applied Mathematics Letters

Année:

1993

Langue:

english

Fichier:

PDF, 169 KB

english, 1993

27

The average connectivity of a digraph

Michael A. Henning, Ortrud R. Oellermann

Journal:

Discrete Applied Mathematics

Année:

2004

Langue:

english

Fichier:

PDF, 225 KB

english, 2004

28

Minimum average distance of strong orientations of graphs

Peter Dankelmann, Ortrud R. Oellermann, Jian-Liang Wu

Journal:

Discrete Applied Mathematics

Année:

2004

Langue:

english

Fichier:

PDF, 253 KB

english, 2004

29

The strong metric dimension of graphs and digraphs

Ortrud R. Oellermann, Joel Peters-Fransen

Journal:

Discrete Applied Mathematics

Année:

2007

Langue:

english

Fichier:

PDF, 185 KB

english, 2007

30

Rebuilding convex sets in graphs

José Cáceres, Alberto Márquez, Ortrud R. Oellermann, María Luz Puertas

Journal:

Discrete Mathematics

Année:

2005

Langue:

english

Fichier:

PDF, 211 KB

english, 2005

31

Steiner intervals and Steiner geodetic numbers in distance-hereditary graphs

Ortrud R. Oellermann, María Luz Puertas

Journal:

Discrete Mathematics

Année:

2007

Langue:

english

Fichier:

PDF, 181 KB

english, 2007

32

Geodetic and Steiner geodetic sets in 3-Steiner distance hereditary graphs

Linda Eroh, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2008

Langue:

english

Fichier:

PDF, 270 KB

english, 2008

33

Local Steiner convexity

Michael A. Henning, Morten H. Nielsen, Ortrud R. Oellermann

Journal:

European Journal of Combinatorics

Année:

2009

Langue:

english

Fichier:

PDF, 577 KB

english, 2009

34

The upper domination Ramsey number u(3,3,3)

Michael A. Henning, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2002

Langue:

english

Fichier:

PDF, 120 KB

english, 2002

35

The average connectivity of a graph

Lowell W. Beineke, Ortrud R. Oellermann, Raymond E. Pippert

Journal:

Discrete Mathematics

Année:

2002

Langue:

english

Fichier:

PDF, 214 KB

english, 2002

36

Bipartite rainbow Ramsey numbers

Linda Eroh, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2004

Langue:

english

Fichier:

PDF, 265 KB

english, 2004

37

Bounds on the size of graphs of given order and l-connectivity

D.P. Day, Ortrud R. Oellermann, Henda C. Swart

Journal:

Discrete Mathematics

Année:

1999

Langue:

english

Fichier:

PDF, 296 KB

english, 1999

38

Augmenting trees so that every three vertices lie on a cycle

Peter Dankelmann, Wayne Goddard, Ortrud R Oellermann, Henda C Swart

Journal:

Discrete Applied Mathematics

Année:

2002

Langue:

english

Fichier:

PDF, 140 KB

english, 2002

39

Bounds on the average connectivity of a graph

Peter Dankelmann, Ortrud R. Oellermann

Journal:

Discrete Applied Mathematics

Année:

2003

Langue:

english

Fichier:

PDF, 235 KB

english, 2003

40

On the average Steiner distance of graphs with prescribed properties

Peter Dankelmann, Henda C. Swart, Ortrud R. Oellermann

Journal:

Discrete Applied Mathematics

Année:

1997

Langue:

english

Fichier:

PDF, 703 KB

english, 1997

41

Steiner intervals in graphs

Ewa Kubicka, Grzegorz Kubicki, Ortrud R. Oellermann

Journal:

Discrete Applied Mathematics

Année:

1998

Langue:

english

Fichier:

PDF, 664 KB

english, 1998

42

On thel-connectivity of a graph

Ortrud R. Oellermann

Journal:

Graphs and Combinatorics

Année:

1987

Langue:

english

Fichier:

PDF, 363 KB

english, 1987

43

Greatest common subgraphs with specified properties

Gary Chartrand, Ortrud R. Oellermann, Farrokh Saba, Hung Bin Zou

Journal:

Graphs and Combinatorics

Année:

1989

Langue:

english

Fichier:

PDF, 870 KB

english, 1989

44

Connected graphs containing a given connected graph as a unique greatest common subgraph

Gary Chartrand, Mark Johnson, Ortrud R. Oellermann

Journal:

Aequationes Mathematicae

Année:

1986

Langue:

english

Fichier:

PDF, 609 KB

english, 1986

45

Randomlyn-cyclic digraphs

Gary Chartrand, Ortrud R. Oellermann, Sergio Ruiz

Journal:

Graphs and Combinatorics

Année:

1985

Langue:

english

Fichier:

PDF, 537 KB

english, 1985

46

On the regulation number of a multigraph

Gary Chartrand, Frank Harary, Ortrud R. Oellermann

Journal:

Graphs and Combinatorics

Année:

1985

Langue:

english

Fichier:

PDF, 438 KB

english, 1985

47

The partition dimension of Cayley digraphs

Melodie Fehr, Shonda Gosselin, Ortrud R. Oellermann

Journal:

Aequationes Mathematicae

Année:

2006

Langue:

english

Fichier:

PDF, 432 KB

english, 2006

48

The metric dimension of Cayley digraphs

Melodie Fehr, Shonda Gosselin, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2006

Langue:

english

Fichier:

PDF, 228 KB

english, 2006

49

On 3-Steiner simplicial orderings

Jóse Cáceres, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2009

Langue:

english

Fichier:

PDF, 574 KB

english, 2009

50

On upper domination Ramsey numbers for graphs

Michael A. Henning, Ortrud R. Oellermann

Journal:

Discrete Mathematics

Année:

2004

Langue:

english

Fichier:

PDF, 241 KB

english, 2004