Tauberian theorems for the weighted mean method of summability of integrals
| dc.contributor.author | Canak, Ibrahim | |
| dc.contributor.author | Ozsarac, Firat | |
| dc.date.accessioned | 2020-06-25T18:34:24Z | |
| dc.date.available | 2020-06-25T18:34:24Z | |
| dc.date.issued | 2019 | |
| dc.department | Kırıkkale Üniversitesi | |
| dc.description | 3rd International Conference of Mathematical Sciences (ICMS) -- SEP 04-08, 2019 -- Maltepe Univ, Istanbul, TURKEY | |
| dc.description.abstract | Let q be a positive weight function on R+ := [0, infinity) which is integrable in Lebesgue's sense over every finite interval (0, x) for 0 < x < infinity, in symbol: q is an element of L-loc(1)(R+) such that Q(x) := integral(x)(0)(t)dt # 0 for each x > 0, Q(0) = 0 and Q(x) -> infinity as x -> infinity. Given a real or complex-valued function f is an element of L-loc(1)(R+), we define s(x) := integral(x)(0) f(t)dt and tau((0))(q)(x) := s(x), tau((m))(q)(x) := 1/Q(x) integral(x)(0) tau((m 1))(q)(t)q(t)dt (x > 0, m = 1, 2, ...), provided that Q(x) > 0. We say that integral(infinity)(0) f(x)dx is summable to L by the m-th iteration of weighted mean method determined by the function q(x), or for short, ((N) over bar, q, m) integrable to a finite number L if lim(x ->infinity) tau((m))(q)(x) = L. In this case, we write s(x) -> L((N) over bar, q, m). It is known that if the limit lim(x ->infinity) s(x) = L exists, then lim(x ->infinity) tau((m))(q)(x) = L also exists. However, the converse of this implication is not always true. Some suitable conditions together with the existence of the limit lim(x ->infinity) tau((m))(q)(x), which is so called Tauberian conditions, may imply convergence of lim(x ->infinity) s(x). In this paper, one- and two-sided Tauberian conditions in terms of the generating function and its generalizations for ((N) over bar, q, m) summable integrals of real- or complex-valued functions have been obtained. Some classical type Tauberian theorems given for Cesaro summability (C, 1) and weighted mean method of summability ((N) over bar, q) have been extended and generalized. | en_US |
| dc.identifier.citation | closedAccess | en_US |
| dc.identifier.doi | 10.1063/1.5136127 | |
| dc.identifier.isbn | 978-0-7354-1930-8 | |
| dc.identifier.issn | 0094-243X | |
| dc.identifier.uri | https://doi.org/10.1063/1.5136127 | |
| dc.identifier.uri | https://hdl.handle.net/20.500.12587/7897 | |
| dc.identifier.volume | 2183 | en_US |
| dc.identifier.wos | WOS:000505225800026 | |
| dc.identifier.wosquality | N/A | |
| dc.indekslendigikaynak | Web of Science | |
| dc.language.iso | en | |
| dc.publisher | Amer Inst Physics | en_US |
| dc.relation.ispartof | Third International Conference Of Mathematical Sciences (Icms 2019) | |
| dc.relation.ispartofseries | AIP Conference Proceedings | |
| dc.relation.publicationcategory | Konferans Öğesi - Uluslararası - Kurum Öğretim Elemanı | en_US |
| dc.rights | info:eu-repo/semantics/closedAccess | en_US |
| dc.subject | Tauberian conditions | en_US |
| dc.subject | Tauberian theorems | en_US |
| dc.subject | weighted mean method of summability | en_US |
| dc.subject | slow decrease and oscillation | en_US |
| dc.title | Tauberian theorems for the weighted mean method of summability of integrals | en_US |
| dc.type | Conference Object |
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