397 search results - page 5 / 80 » Towards Polynomial Lower Bounds for Dynamic Problems |
SODA
2010
ACM
14 years 4 months ago
2010
ACM
Many NP-hard problems can be solved efficiently when the input is restricted to graphs of bounded tree-width or clique-width. In particular, by the celebrated result of Courcelle,...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
The disjoint paths problem asks, given an graph G and k + 1 pairs of terminals (s0, t0), . . . , (sk, tk), whether there are k + 1 pairwise disjoint paths P0, . . . , Pk, such tha...
CEC
2009
IEEE
14 years 2 months ago
2009
IEEE
— We examine the problem of partitioning a square into convex polygons which are as circular as possible. Circular means that the polygon’s aspect ratio is supposed to be near
SODA
2010
ACM
13 years 5 months ago
2010
ACM
We present an exact algorithm that decides, for every fixed r ≥ 2 in time O(m) + 2O(k2 ) whether a given multiset of m clauses of size r admits a truth assignment that satisfi...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
The B-tree is a fundamental external index structure that is widely used for answering one-dimensional range reporting queries. Given a set of N keys, a range query can be answere...