Differentiability
Mostrando 1-9 de 9 artigos, teses e dissertações.
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1. Diferenciabilidade em espaços de Hilbert de reprodução sobre a esfera / Differentiability in reproducing Kernel Hilbert space on the sphere
Um espaço de Hilbert de reprodução (EHR) é um espaço de Hilbert de funções construído de maneira específica e única a partir de um núcleo positivo definido. As funções do EHR tem a seguinte peculiaridade: seus valores podem ser reproduzidos através de uma operação elementar envolvendo a própria função, o núcleo gerador e o produto interno
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 02/03/2012
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2. Diferentes noções de diferenciabilidade para funções definidas na esfera / Different notions of differentiability for functions defined on the sphere
In this work we study different notions of differentiability for functions defined on the unit sphere S^n-1 of R^n, n>=2. With respect to the usual derivative, we find necessary and/or sufficient conditions in order that a function be differentiable up to a fixed order. As for the other two, the strong Laplace-Beltrami derivative and the weak derivative, we
Publicado em: 2007
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3. On the Differentiability of the Consumer Demand Function
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Fundação Getulio Vargas. Publicado em: 01/05/1993
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4. THE DIVERGENCE THEOREM WITHOUT DIFFERENTIABILITY CONDITIONS*
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5. THE DIFFERENTIABILITY OF THE RIEMANN FUNCTION AT CERTAIN RATIONAL MULTIPLES OF π
It is shown that a continuous function which Riemann is said to have believed to be nowhere differentiable is in fact differentiable at certain points.
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6. Radial Fourier multipliers of Lp(R2)
We give sufficient conditions (in terms of differentiability and growth properties) for a radial function to be an Lp(R2) Fourier multiplier. These conditions are in the nature of best possible.
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7. Two functional equations preserving functional forms
Two functional equations are considered that are motivated by three considerations: work in utility theory and psychophysics, questions concerning when pairs of degree 1 homogeneous functions can be homomorphic and calculating their homomorphisms, and the link of the latter questions to quasilinear mean values. The first equation is \documentclass[12pt]{mini
National Academy of Sciences.
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8. The Black–Scholes pricing formula in the quantum context
A natural explanation for extreme irregularities in the evolution of prices in financial markets is provided by quantum effects. The lack of simultaneous observability of relevant variables and the interference of attempted observation with the values of these variables represent such effects. These characteristics have been noted by traders and economists a
The National Academy of Sciences.
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9. Quasi-axially symmetric stellarators
Confinement of a plasma for controlled thermonuclear fusion is studied numerically. Toroidal equilibria are considered, with an emphasis on the Modular Helias-like Heliac 2 (MHH2), which is a stellarator of low aspect ratio with just two field periods surrounded by 16 modular coils. The geometry is fully three-dimensional, but there is an axial symmetry of t
The National Academy of Sciences.