612 search results - page 23 / 123 » Hardness assumptions in the foundations of theoretical compu... |
FOCS
2008
IEEE
14 years 2 months ago
2008
IEEE
We prove that approximating the Max Acyclic Subgraph problem within a factor better than 1/2 is Unique-Games hard. Specifically, for every constant ε > 0 the following holds:...
DAM
2011
13 years 2 months ago
2011
Given a planar graph G, we consider drawings of G in the plane where edges are represented by straight line segments (which possibly intersect). Such a drawing is specified by an ...
ICALP
2005
Springer
14 years 1 months ago
2005
Springer
We introduce a foundational language for modelling applications over global computers whose interconnection structure can be explicitly manipulated. Together with process distribut...
FOCS
2003
IEEE
14 years 1 months ago
2003
IEEE
We give a complexity theoretic classification of homomorphism problems for graphs and, more generally, relational structures obtained by restricting the left hand side structure ...
STACS
1992
Springer
13 years 11 months ago
1992
Springer
abstract Rafail Ostrovskyy Ramarathnam Venkatesanz Moti Yungx Secure commitment is a primitive enabling information hiding, which is one of the most basic tools in cryptography. S...