APPROX
2008
Springer
14 years 1 months ago
2008
Springer
A long-standing conjecture in Combinatorial Optimization is that the integrality gap of the Held-Karp LP relaxation for the Asymmetric Traveling Salesman Problem (ATSP) is a consta...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
We study the directed minimum latency problem: given an n-vertex asymmetric metric (V, d) with a root vertex r V , find a spanning path originating at r that minimizes the sum of...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. In this paper, we propose a general framework for designing fully polynomial time approximation schemes for combinatorial optimization problems, in which more than one ob...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
It is known that if a 2-universal hash function H is applied to elements of a block source (X1, . . . , XT ), where each item Xi has enough min-entropy conditioned on the previous...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
We consider (uniform) reductions from computing a function f to the task of distinguishing the output of some pseudorandom generator G from uniform. Impagliazzo and Wigderson [IW]...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
Abstract. We give a (ln n + 1)-approximation for the decision tree (DT) problem. An instance of DT is a set of m binary tests T = (T1, . . . , Tm) and a set of n items X = (X1, . ....
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
We consider the problem of max-min fair allocation of indivisible goods. Our focus will be on the restricted version of the problem in which there are m items, each of which assoc...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
: We continue the study of robustly testable tensor codes and expand the class of base codes that can be used as a starting point for the construction of locally testable codes via...
APPROX
2008
Springer
14 years 1 months ago
2008
Springer
Let C be a class of probability distributions over a finite set . A function D : {0, 1}m is a disperser for C with entropy threshold k and error if for any distribution X in C s...