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RC
1998
92views more  RC 1998»
13 years 7 months ago
When Is the Product of Intervals Also an Interval?
Interval arithmetic is based on the fact that for intervals on the real line, the element-wise product of two intervals is also an interval. This property is not always true: e.g....
Olga Kosheleva, Piet G. Vroegindeweij
MP
2007
95views more  MP 2007»
13 years 7 months ago
Smoothed analysis of integer programming
We present a probabilistic analysis of integer linear programs (ILPs). More specifically, we study ILPs in a so-called smoothed analysis in which it is assumed that first an adve...
Heiko Röglin, Berthold Vöcking
NAR
2007
106views more  NAR 2007»
13 years 7 months ago
INFO-RNA - a server for fast inverse RNA folding satisfying sequence constraints
INFO-RNA is a new web server for designing RNA sequences that fold into a user given secondary structure. Furthermore, constraints on the sequence can be specified, e.g. one can r...
Anke Busch, Rolf Backofen
QUESTA
2007
111views more  QUESTA 2007»
13 years 7 months ago
Queues with system disasters and impatient customers when system is down
Consider a system (e.g. a computer farm or a call center) operating as a M/M/c queue, where c = 1, or 1 < c < ∞, or c = ∞. The system as a whole suffers disastrous break...
Uri Yechiali
RC
2007
64views more  RC 2007»
13 years 7 months ago
Unimodality, Independence Lead to NP-Hardness of Interval Probability Problems
In many real-life situations, we only have partial information about probabilities. This information is usually described by bounds on moments, on probabilities of certain events,...
Daniel Berleant, Olga Kosheleva, Vladik Kreinovich...