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Displaying 261 – 280 of 397

Distinguishing example for the Tillmann product of distributions

Jiří Jelínek (1990)

Commentationes Mathematicae Universitatis Carolinae

Distinguishing Jordan polynomials by means of a single Jordan-algebra norm

A. Moreno Galindo (1997)

Studia Mathematica

For = ℝ or ℂ we exhibit a Jordan-algebra norm ⎮·⎮ on the simple associative algebra $M_{\infty} ()$ with the property that Jordan polynomials over are precisely those associative polynomials over which act ⎮·⎮-continuously on $M_{\infty} ()$ . This analytic determination of Jordan polynomials improves the one recently obtained in [5].

Distortion analyticity and molecular resonance curves

W. Hunziker (1986)

Annales de l'I.H.P. Physique théorique

Distortion and spreading models in modified mixed Tsirelson spaces

S. A. Argyros, I. Deliyanni, A. Manoussakis (2003)

Studia Mathematica

The results of the first part concern the existence of higher order ℓ₁ spreading models in asymptotic ℓ₁ Banach spaces. We sketch the proof of the fact that the mixed Tsirelson space T[(ₙ,θₙ)ₙ], $θ_{n + m} \geq θ ₙ θ ₘ$ and $l i m_{n} θ ₙ^{1 / n} = 1$ , admits an $ℓ ₁^{ω}$ spreading model in every block subspace. We also prove that if X is a Banach space with a basis, with the property that there exists a sequence (θₙ)ₙ ⊂ (0,1) with $l i m_{n} θ ₙ^{1 / n} = 1$ , such that, for every n ∈ ℕ, $| | \sum_{k = 1}^{m} x_{k} | | \geq θ ₙ \sum_{k = 1}^{m} | | x_{k} | |$ for every ₙ-admissible block sequence ${(x_{k})}_{k = 1}^{m}$ of vectors in X, then there exists c > 0 such...

Distribution and rearrangement estimates of the maximal function and interpolation

Irina Asekritova, Natan Krugljak, Lech Maligranda, Lars-Erik Persson (1997)

Studia Mathematica

There are given necessary and sufficient conditions on a measure dμ(x)=w(x)dx under which the key estimates for the distribution and rearrangement of the maximal function due to Riesz, Wiener, Herz and Stein are valid. As a consequence, we obtain the equivalence of the Riesz and Wiener inequalities which seems to be new even for the Lebesgue measure. Our main tools are estimates of the distribution of the averaging function f** and a modified version of the Calderón-Zygmund decomposition. Analogous...

Distribution des valeurs des fonctions analytiques multiformes

Bernard Aupetit, Abdelwahab Zraĭbi (1984)

Studia Mathematica

Distribution differential equations. Regularization and bending of a rod.

Jan Persson (1990)

Mathematica Scandinavica

Distribution semigroups on $k_{1}$

M. Mijatović, S. Pilipović (2003)

Bulletin, Classe des Sciences Mathématiques et Naturelles, Sciences mathématiques

Distributional and entire solutions of linear functional differential equations.

Wiener, Joseph (1982)

International Journal of Mathematics and Mathematical Sciences

Distributional and Operational Integral Homogeneity over Local Fields.

Keith Phillips (1979)

Mathematische Annalen