Výsledky vyhledávání - "J. L. Ullman"

Biochars reduce irrigation water sodium adsorption ratio

Autor: Kamran Ansari, Altaf Ali Siyal, J. L. Ullman, Saima Awan, James A. Ippolito, Liqiang Cui

Publikováno v: Biochar. 3:77-87

Irrigation water quality plays a vital role in sustaining crop productivity and feeding a growing world population. In many countries, continued agricultural water reuse can lead to greater water-soluble salt concentrations, and in particular Na; fin

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::076dfc9e2ff98111aeea8df38aaa7f14
https://doi.org/10.1007/s42773-020-00073-z

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Local asymptotic distribution of zeros of orthogonal polynomials

Autor: J. L. Ullman, Vilmos Totik

Publikováno v: Transactions of the American Mathematical Society. 341:881-894

Converse results, which state a relation (inequality) for measures from that on their logarithmic potentials, are applied to local density of zeros of orthogonal polynomials when the measure of orthogonality is a general one with compact support. It

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19c09c721143f6a518d1c3b4c29918e6
https://doi.org/10.1090/s0002-9947-1994-1150019-2

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Norm oscillatory weight measures

Autor: J L Ullman, L Ziegler, M F Wyneken

Publikováno v: Journal of Approximation Theory. 46:204-212

Existence d'un comportement oscillatoire de la norme linearisee dont l'ensemble des valeurs des points limites est un intervalle. Implication des resultats pour la distribution des zeros

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66db34f8d98ecd5622862c27f941802
https://doi.org/10.1016/0021-9045(86)90061-4

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Weak limits of zeros of orthogonal polynomials

Autor: J. L. Ullman, M. F. Wyneken

Publikováno v: Constructive Approximation. 2:339-347

Letμ be a positive unit Borel measure with infinite support on the interval [−1, 1]. LetP n(x, μ) denote the monic orthogonal polynomial of degreen associated withμ, and letv n(μ) denote the unit measure with mass 1/n at each zero ofP n(x, μ).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e7d41f14912236913b8755bdeaed047a
https://doi.org/10.1007/bf01893436

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