منابع مشابه
Inversio-ongelmat – Matematiikkaa Ja Sen Sovelluksia
Inversio-ongelmien teoria on matematiikan ja sen sovellusten kirjossa edelleen varsin nuori tutkimusala. Yksittäisiä ongelmia on toki tutkittu kauan, ja ensimmäinen yhtenäinen osakokonaisuus lienee 1950-luvulla kehitetty Gel’fandin koulukunnan yksiulotteinen käänteinen sirontateoria. Muutaman vuosikymmenen hiljaiselon jälkeen myös moniulotteisissa inversio-ongelmissa saavutettiin läpimurtoja, j...
متن کاملAshoke Sen
We analyze M-theory compactified on (K3 × S)/Z2 where the Z2 changes the sign of the three form gauge field, acts on S as a parity transformation and on K3 as an involution with eight fixed points preserving SU(2) holonomy. At a generic point in the moduli space the resulting theory has as its low energy limit N = 1 supergravity theory in six dimensions with eight vector, nine tensor and twenty...
متن کاملSen - R 9708 1997
We study equational axiomatizations of bisimulation equivalence for the language obtained by extending Milner's basic CCS with string iteration. String iteration is a variation on the original binary version of the Kleene star operation p q obtained by restricting the rst argument to be a non-empty sequence of atomic actions. We show that, for every positive integer k, bisimulation equivalence ...
متن کاملOn Sen and Aristotle
In this paper I maintain that Amartya Sen’s Capability Approach (CA) implies a recuperation of practical science in Economics. Sen’s proposal has some problems closely related to this practical character: the heterogeneity and incommensurability of capabilities, its ambiguity concerning the use of the term “capability”, and the consequent lack of operative character of the CA. Sen recognizes th...
متن کاملSen - R 9716 1997
The use of computational steering for smog prediction is described. This application is representative for many underlying issues found in steering high performance applications: high computing times, large data sets, and many diierent input parameters. After a short description of the smog prediction model, its visualization and steering are described. The amount of computation needed to solve...
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ژورنال
عنوان ژورنال: Silva Fennica
سال: 1948
ISSN: 2242-4075
DOI: 10.14214/sf.a13996