نتایج جستجو برای: interior materials

تعداد نتایج: 470770  

Journal: :Science 2017
T H Prettyman N Yamashita M J Toplis H Y McSween N Schörghofer S Marchi W C Feldman J Castillo-Rogez O Forni D J Lawrence E Ammannito B L Ehlmann H G Sizemore S P Joy C A Polanskey M D Rayman C A Raymond C T Russell

The surface elemental composition of dwarf planet Ceres constrains its regolith ice content, aqueous alteration processes, and interior evolution. Using nuclear spectroscopy data acquired by NASA's Dawn mission, we determined the concentrations of elemental hydrogen, iron, and potassium on Ceres. The data show that surface materials were processed by the action of water within the interior. The...

2010
J. A. Álvarez

The theme of this article is to characterize the quasi-isometry type of a proper metric space via certain Banach algebra of functions on it, called the Higson algebra.

2000
Beatriz Gato-Rivera

In the last six years remarkable developments have taken place concerning the representation theory of N=2 superconformal algebras. Here we present the highlights of such developments.

2007
Matthew Fayers

We examine blocks of the Ariki–Koike algebra, in an attempt to generalise the combinatorial representation theory of the Iwahori–Hecke algebra of type A. We identify a particular type of combinatorial block, which we call a core block, which may be viewed as an analogue of a simple block of the Iwahori–Hecke algebra. We give equivalent characterisations of core blocks and examine their basic co...

2004
AJIT KAUR AJAY KUMAR

Warner (1966), Hewitt and Ross (1970), Yap (1970), and Yap (1971) extended the so-called Ditkin's condition for the group algebra L\G) of a locally compact abelian group G to the algebras L(G) Π L(G), dense subalgebras of L{G) which are essential Banach LHO-modules, LKG) Π L(G)(1 ^ p < co) and Segal algebras respectively. Chilana and Ross (1978) proved that the algebra L^K) satisfies a stronger...

2004
Frank Calegari William A. Stein

In this paper, we study p-divisibility of discriminants of Hecke algebras associated to spaces of cusp forms of prime level. By considering cusp forms of weight bigger than 2, we are are led to make a precise conjecture about indexes of Hecke algebras in their normalisation which implies (if true) the surprising conjecture that there are no mod p congruences between non-conjugate newforms in S2...

2008
Raffaele Ferrari James C. McWilliams Vittorio M. Canuto Mikhail Dubovikov

In the stably stratified interior of the ocean, mesoscale eddies transport materials by quasiadiabatic isopycnal stirring. Resolving or parameterizing these effects is important for modeling the oceanic general circulation and climate. Near the bottom and near the surface, however, microscale boundary-layer turbulence overcomes the adiabatic, isopycnal constraints for the mesoscale transport. I...

Journal: :bulletin of the iranian mathematical society 2012
maryam zangiabadi hossein mansouri

we present a modified version of the infeasible-interior- we present a modified version of the infeasible-interior-point algorithm for monotone linear complementary problems introduced by mansouri et al. (nonlinear anal. real world appl. 12(2011) 545--561). each main step of the algorithm consists of a feasibility step and several centering steps. we use a different feasibility step, which targ...

2006
Jiayuan Fu Yucai Su

In this paper, we discuss the structure of the Ramond N = 2 superconformal algebras. We classify the modules of the intermediate series over Ramond N = 2 superconformal algebra.

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