Localization and summability of multiple Hermite series

The multiple Hermite series in Rn are investigated by the Riesz summability method of order α>(n−1)/2. More precisely, localization theorems for some classes of functions are proved and sharp sufficient conditions are given. Thus the classical Szegö results are extended to the n-dimensional case....

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Main Authors: G. E. Karadzhov, E. E. El-Adad
Format: Article
Language:English
Published: Wiley 1997-01-01
Series:International Journal of Mathematics and Mathematical Sciences
Subjects:
Online Access:http://dx.doi.org/10.1155/S0161171297000100
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author G. E. Karadzhov
E. E. El-Adad
author_facet G. E. Karadzhov
E. E. El-Adad
author_sort G. E. Karadzhov
collection DOAJ
description The multiple Hermite series in Rn are investigated by the Riesz summability method of order α>(n−1)/2. More precisely, localization theorems for some classes of functions are proved and sharp sufficient conditions are given. Thus the classical Szegö results are extended to the n-dimensional case. In particular, for these classes of functions the localization principle and summability on the Lebesgue set are established.
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institution Kabale University
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1687-0425
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publishDate 1997-01-01
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series International Journal of Mathematics and Mathematical Sciences
spelling doaj-art-cb2d674ce7f64d5ea05e0a12191ec44c2025-02-03T07:26:10ZengWileyInternational Journal of Mathematics and Mathematical Sciences0161-17121687-04251997-01-01201617410.1155/S0161171297000100Localization and summability of multiple Hermite seriesG. E. Karadzhov0E. E. El-Adad1Institute of Mathematics, Bulgarian Academy of Sciences, Sofia 1113, BulgariaInstitute of Mathematics, Bulgarian Academy of Sciences, Sofia 1113, BulgariaThe multiple Hermite series in Rn are investigated by the Riesz summability method of order α>(n−1)/2. More precisely, localization theorems for some classes of functions are proved and sharp sufficient conditions are given. Thus the classical Szegö results are extended to the n-dimensional case. In particular, for these classes of functions the localization principle and summability on the Lebesgue set are established.http://dx.doi.org/10.1155/S0161171297000100Riesz summabilitymultiple Hermite series.
spellingShingle G. E. Karadzhov
E. E. El-Adad
Localization and summability of multiple Hermite series
International Journal of Mathematics and Mathematical Sciences
Riesz summability
multiple Hermite series.
title Localization and summability of multiple Hermite series
title_full Localization and summability of multiple Hermite series
title_fullStr Localization and summability of multiple Hermite series
title_full_unstemmed Localization and summability of multiple Hermite series
title_short Localization and summability of multiple Hermite series
title_sort localization and summability of multiple hermite series
topic Riesz summability
multiple Hermite series.
url http://dx.doi.org/10.1155/S0161171297000100
work_keys_str_mv AT gekaradzhov localizationandsummabilityofmultiplehermiteseries
AT eeeladad localizationandsummabilityofmultiplehermiteseries