منابع مشابه
DEVELOPMENT IN STRING THEORY
The string theory is a fast moving subject, both physics wise and in the respect of mathematics. In order to keep up with the discipline it is important to move with new ideas which are being stressed. Here I wish to give extracts from new papers of ideas which I have recently found interesting. There are six papers which are involved: I ."Strings formulated directly in 4 dimensions " A. N...
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Some recent results [13,25] have introduced external-memory algorithms to compute self-indexes of a set of strings, mainly via computing the BurrowsWheeler Transform (BWT) of the input strings. The motivations for those results stem from Bioinformatics, where a large number of short strings (called reads) are routinely produced and analyzed. In that field, a fundamental problem is to assemble a...
متن کاملExternal Memory Algorithms for String Problems
In this paper we present external memory algorithms for some string problems. External memory algorithms have been developed in many research areas, as the speed gap between fast internal memory and slow external memory continues to grow. The goal of external memory algorithms is to minimize the number of input/output operations between internal memory and external memory. These years the sizes...
متن کاملExperiments on String Matching in Memory Structures
Various string matching algorithms have been designed and some experimental works on string matching over bounded alphabets have been performed but string matching over unbounded alphabets has been little investigated. We present here experimental results where symbols are taken among potentially innnite sets such as integers, reals or composed structures. These results show that in most cases ...
متن کاملSchwinger Effect in String Theory
I discuss the quantum instability of an electric field in a theory of open strings. One of the few available hints on the interplay between quantum theory and gravity is the Hawking emission of a black hole 1. This can be described as pair creation in the background gravitational field. Of the two produced particles one stays trapped inside the horizon, while the other escapes to infinity where...
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ژورنال
عنوان ژورنال: Journal of High Energy Physics
سال: 2019
ISSN: 1029-8479
DOI: 10.1007/jhep02(2019)053