University of Calgary
Jump to Headline
Jump to Navigation
Jump to Content
Jump to Footer
RSS
Facebook
Twitter
Home
Prospective Students
Current Students
Alumni
Community
Faculty & Staff
Search UofC:
IT
HR
My U of C
Contacts
Mathematics and Statistics
Department of Mathematics and Statistics at the Faculty of Science
Site Navigation
Home
Undergraduate
Graduate
Research
Community
News & Events
Contact
Contact
» Karen Seyffarth
Karen Seyffarth
Associate Professor
Pure Mathematics
+1 (403) 220-6311
Mathematical Sciences 414
kseyffar@math.ucalgary.ca
Research Interests
Small cycle double covers of line graphs and small cycle double covers of products of graphs
Upper bounds on domination numbers of certain classes of graphs
Improving lower bounds on the maximum number of vertices in planar networks with given diameter and maximum degree
Currently Teaching
Not currently teaching any courses.
view past courses
Publications
Journal Article
Laflamme, Claude
and
Seyffarth, Karen
.
"
Chromatic Distinguishing Number of Bipartite Graph
"
. Elec. Journal of Combinatorics
16.1 (2009). Print.
MacGillivray, G. and
Seyffarth, Karen
.
"
Bounds for the independent domination number of graphs and planar graphs
"
. Journal of Combinatorial Mathematics and Combinatorial Computing
49. (2004): 33-55. Print.
Lutscher, Frithjof, McNulty, Jenny, Morris, Joy and
Seyffarth, Karen
.
"
Stitching images back together
"
. Congressus Numerantium. A Conference Journal on Numerical Themes
165. (2003): 161-168. Print.
Fish, J. M., Klimmek, R. and
Seyffarth, Karen
.
"
Line graphs of complete multipartite graphs have small cycle double covers
"
. Discrete Math.
257.1 (2002): 39-61. Print.
MacGillivray, G. and
Seyffarth, Karen
.
"
Classes of line graphs with small cycle double covers
"
. The Australasian Journal of Combinatorics
24. (2001): 91-114. Print.
Hell, P. and
Seyffarth, Karen
.
"
Broadcasting in planar graphs
"
. The Australasian Journal of Combinatorics
17. (1998): 309-318. Print.
Fellows, M., Hell, P. and
Seyffarth, Karen
.
"
Constructions of large planar networks with given degree and diameter
"
. Networks. An International Journal
32.4 (1998): 275-281. Print.
MacGillivray, G. and
Seyffarth, Karen
.
"
Domination numbers of planar graphs
"
. Journal of Graph Theory
22.3 (1996): 213-229. Print.
Fellows, M., Hell, P. and
Seyffarth, Karen
.
"
Large planar graphs with given diameter and maximum degree
"
. Discrete Applied Mathematics. Combinatorial Algorithms, Optimization and Computer Science
61.2 (1995): 133-153. Print.
Seyffarth, Karen
.
"
Packings and perfect path double covers of maximal planar graphs
"
. Discrete Math.
117.1-3 (1993): 183-195. Print.
Hell, P. and
Seyffarth, Karen
.
"
Largest planar graphs of diameter two and fixed maximum degree
"
. Discrete Math.
111.1-3 (1993): 313-322. Print.
Seyffarth, Karen
.
"
Small cycle double covers of 4-connected planar graphs
"
. Combinatorica. An International Journal on Combinatorics and the Theory of Computing
13.4 (1993). Print.
Seyffarth, Karen
.
"
Haj\'os' conjecture and small cycle double covers of planar graphs
"
. Discrete Math.
101.1-3 (1992): 291-306. Print.
Seyffarth, Karen
.
"
Maximal planar graphs of diameter two
"
. Journal of Graph Theory
13.5 (1989): 619-648. Print.
Hanson, D. and
Seyffarth, Karen
.
"
Point saturation of graphs
"
. Ars Combinatoria
20. (1985): 147-157. Print.
Hanson, D. and
Seyffarth, Karen
.
"
k-saturated graphs of prescribed maximum degree
"
. Congressus Numerantium. A Conference Journal on Numerical Themes
42. (1984). Print.
Courses
Supervised Students
Degrees
PhD
University of Waterloo
, 1990
MMath
University of Waterloo
, 1986
BSc (Hons)
University of Regina
, 1984
Students
See Past Students
top
Powered by
UNITIS
.
More features
.
For Students
Directory of People
Course Listings
Mathematics Diagnostic Test
Textbook List
Undergraduate Inquiries
WebWork
Quick Links
About Us
UofC Emergency Plan
UofC Library
UofC Webmail
Sign In