3471 search results - page 121 / 695 » Obstacle Numbers of Graphs |
PPL
2000
13 years 9 months ago
2000
In this paper we consider the problem of constructing planar orthogonal grid drawings or more simply, layouts of graphs, with the goal of minimizing the number of bends along the ...
DM
2006
13 years 9 months ago
2006
We provide a simple constructive characterization for trees with equal domination and independent domination numbers, and for trees with equal domination and total domination numb...
GBRPR
2007
Springer
14 years 3 months ago
2007
Springer
In the field of structural pattern recognition graphs constitute a very common and powerful way of representing patterns. In contrast to string representations, graphs allow us to ...
DAM
1999
13 years 9 months ago
1999
Several graph problems (e.g., steiner tree, connected domination, hamiltonian path, and isomorphism problem), which can be solved in polynomial time for distance-hereditary graphs...
DM
2007
13 years 9 months ago
2007
In this paper we study the cycle base structures of embedded graphs on surfaces. We first give a sufficient and necessary condition for a set of facial cycles to be contained in ...