OALib Journal期刊

ISSN: 2333-9721



匹配条件: “POPA” ,找到相关结果约725条。
-absolutely summing operators on the space and applications
Dumitru Popa
Abstract and Applied Analysis , 2001, DOI: 10.1155/s1085337501000434
Abstract: We give necessary and sufficient conditions for an operator onthe space C (T,X) to be (r,p)-absolutely summing. Also we prove that the injective tensor product of an integral operator and an (r,p)-absolutely summing operator is an(r,p)-absolutely summing operator.
A Class of Schur Multipliers on Some Quasi-Banach Spaces of Infinite Matrices
Nicolae Popa
Journal of Function Spaces and Applications , 2012, DOI: 10.1155/2012/142731
Abstract: We characterize the Schur multipliers of scalar type acting on scattered classes of infinite matrices.
Weakly Picard Pairs of Multifunctions
Cubo (Temuco) , 2010, DOI: 10.4067/S0719-06462010000100006
Abstract: the purpose of this paper is to present a general answer for the following problem: let be a metric space and two multifunctions. determine the metric conditions which imply that is a weakly picard pair of multifunctions and are weakly picard multifunctions , for multifunctions satisfying an implicit contractive condition, generalizing some results from .
Lower limits on the lifetime of massive neutrino radiative decay from the 2006 total solar eclipse
V. Popa
Astrophysics and Space Sciences Transactions (ASTRA) , 2011, DOI: 10.5194/astra-7-419-2011
Abstract: We report on the search for signatures of possible neutrino radiative decays, in occasion of the 2006 total solar eclipse (TSE). The lower lifetime limits obtained in the hypothesis of normal mass hierarchy (m3 >> m 2 > m1) are about 3 orders of magnitude better than the previous results. The inverted mass hierarchy scenario (m2 > m1 >> m3) is also investigated. The reached sensitivity suggests that the limits presented here are the best obtainable using this technique.
Irresolute multifunctions
V. Popa
International Journal of Mathematics and Mathematical Sciences , 1990, DOI: 10.1155/s0161171290000400
Abstract: This paper considers a new class of multifunctions, the irresolute multifunctions. For the irresolute multifunctions we give some theorems of characterizations. Some relations between continuous multifunctions and irresolute multifunctions are established.
Numerical Models for the Study of Electromagnetic Shielding
POPA Monica
Journal of Electrical and Electronics Engineering , 2012,
Abstract: The paper presents 2D and 3D models for the study of electromagnetic shielding of a coil. The magnetic fields are computed for defining the shielding effectiveness. Parametrized numerical studies were performed in order to established the influence of shield thickness and height on magnetic field in certain points located in the exterior of coil – shield setup and on induced power within the shield.
Ionu? POPA
Lakes reservoirs and ponds , 2009,
Abstract: The Baikal lake is located in Central Asia, on Russian Federation territory, in the southern part of East Siberia, on the border between Irkutsk Region and the Buryat Autonomous Republic. The lake surface lies between 51° 29’ lat. N, extreme south point, and 55° 46’ lat. N, in north, and between 103° 43’ long. E, extreme west point and 109° 56’ long E, in the east.His elongated shape is orientated on NE-SV direction, having a 636 km maximum length; the length of the shoreline is around 2 000 km. The maximum width is 79.5 km, in the sector where Barguzin river flows into the Baikal Lake, between the villages of Onguren, in west, and Oust Barguzin, in east, and the minimum width is only 25 km, in the area of Selenga river delta.Today, the total surface of the Baikal is 31 722 km2, with 500 km2 wider, after the rising of the Irkutsk dam, on Angara river.
Lucr?ri ?tiin?ifice : Management Agricol , 2009,
Abstract: Whether it is the systematic appeal to the crises distillation, a policy of exaggerated cautious cultivation, exaggerated use of enrichment practices, confusing labeling rules or somewhat rigid oenological practices, a whole series of measures must be reviewed. It is useless to mention the budget which, instead of being used as leverage for an effective restructuring of the sector, promotes measures that have limited and short-term effect. The current system does not provide a basis for a sustainable and significant development of the producers’ competitiveness.
Lucr?ri ?tiin?ifice : Management Agricol , 2009,
Abstract: The channel of production and exploitation for grapes and wine has a few particularities regarding equipment due to the grapes perishability, as well as to technological complexity of production, clarifying and stabilization of wine. In this respect, harvest has to be executed at the technological maturity according to the wine that will be obtained, the transport, storage and processing has to be made in the shortest time possible. Consequently, the channel of wine must have a very well organized and planned degree of vertical integration, ensuring high quality wines in order to be able to compete with those from the European countries and the New World of wine.
Nicolae Popa
Lex et Scientia , 2008,
Abstract: Le r le du droit en tant qu’organisateur de la vie sociale, dans ses principales relations, ayant comme but de discipliner la conduite des hommes dans leur intersection quotidienne, est tout d’abord relevé – sur le plan abstrait et théorique – par les traits du mécanisme de la réglementation juridique, mécanisme dont le contour est tracé par l’existence du syst me normatif juridique, partie composante (sous-syst me) du syst me normatif social. Le mécanisme de la réglementation de la vie sociale par des normes juridiques met en lumi re des aspects des plus variés, marquant l’influence du droit sur la société – aspects surtout juridiques, psychologiques etc. En m me temps, toutefois, le r le du droit ne peut pas tre limité tout simplement cette influence théorique. Dans sa derni re essence, le droit signifie vie, il offre un cadre spécifique la vie sociale, étant, dans cette lumi re, le résultat de la traduction, dans un langage technique, des formes et des structures de la vie sociale1. En tant qu’expression de certaines tendances, d’un certain syst me de valeurs, la loi garantit l’ordre, la stabilité sociale, la sécurité juridique. En pénétrant dans le tissu des rapports interhumains, les aspects sociologiques du mécanisme de la réglementation juridique ne peuvent pas échapper l’analyse. L’étude des rapports juridiques souligne tout justement ces aspects sociologiques, les rapports de droit étant, avant tout, des rapports sociaux, dans lesquels les hommes entrent afin de satisfaire leurs besoins variés, des rapports de coopération et de coexistence.

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