Contact
How to shop
Delivery
Shopping guide
Isomorphism Testing for Restricted Graph Classes
On the complexity of isomorphism testing and reachability problems for restricted graph classes
English
212 b
Up to 30 days for returns
Customers also purchased
/
Paperback
8 613
Ft
/
Paperback
16 828
Ft
/
Hardback
14 243
Ft
/
Paperback
13 620
Ft
/
Hardback
63 834
Ft
/
Paperback
8 215
Ft
The graph isomorphism problem (GI) consists of deciding whether there is a bijection between the vertices of two graphs, which preserves the adjacency relations. GI is not known to be NP-complete nor to be in P. The enormous gap between the known upper and lower bound has motivated a study of isomorphism restricted to special classes of graphs where this gap can be reduced. We prove for the classes of planar graphs, K_{3,3}-minor free and K_5-minor free graphs, that isomorphism testing is in logspace. For graphs of bounded treewidth we prove a new upper bound LogCFL. We also consider the complexity of the isomorphism problem when groups or quasigroups are given in table representation. Because of all these results in the context of logarithmic space complexity classes we also consider reachability problems. Reachability is a widely studied problem especially in the space setting, it asks in a directed graph with two designated vertices s and t whether there is a path from s to t. We improve some upper bounds of the reachability problems for the mentioned graph classes.
About the book
English
Give this book today
It's easy
1 Add to cart and choose Deliver as present at the checkout 2 We'll send you a voucher 3 The book will arrive at the recipient's addressYou might also be interested in
/
Paperback
5 063
Ft
/
Paperback
8 215
Ft
/
Paperback
3 639
Ft
/
Paperback
6 819
Ft
/
Paperback
5 377
Ft
/
Calendar
3 681
Ft
Hi! I'm Libroamiko, your book advisor.
How can I help you?