大骂 发表于 2025-3-23 12:58:49

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Tractable 发表于 2025-3-23 17:32:17

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Invigorate 发表于 2025-3-23 20:00:29

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逃避现实 发表于 2025-3-24 00:19:07

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观察 发表于 2025-3-24 05:43:53

Extramural Grant II: Instrumentation,In the present chapter, more properties of the . method are established. For instance, it is proved that the set . of all . methods is an ordered abelian semigroup and there are infinite chains of . methods from .. A few results on the Cauchy multiplication of certain summable series are also proved.

Fallibility 发表于 2025-3-24 08:36:19

Michael Rudibaugh Ph.D. CandidateIn this chapter, a new definition of convergence of a double sequence and a double series is introduced and its properties are studied. In the context of this new definition, the Silverman–Toeplitz theorem for four-dimensional infinite matrices is proved. We also prove Schur and Steinhaus theorems for four-dimensional infinite matrices.

compose 发表于 2025-3-24 12:23:57

Dissertation II: Geo-Techniques,In the context of the new definition of convergence of a double sequence and double series introduced in Chap. ., we define the Nörlund, the Weighted Mean, and the . or Natarajan methods for double sequences and double series and study some of their properties.

漂白 发表于 2025-3-24 18:04:26

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闷热 发表于 2025-3-24 20:47:50

Special Summability Methods,In the current chapter, we introduce some special methods of summability, viz. the Abel method, the Weighted Mean method, the Euler method and the . or Natarajan method, and study their properties extensively. The connection between the Abel method and the Natarajan method is brought out.

forbid 发表于 2025-3-24 23:36:24

More Properties of the , Method and Cauchy Multiplication of Certain Summable Series,In the present chapter, more properties of the . method are established. For instance, it is proved that the set . of all . methods is an ordered abelian semigroup and there are infinite chains of . methods from .. A few results on the Cauchy multiplication of certain summable series are also proved.
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查看完整版本: Titlebook: Classical Summability Theory; P.N. Natarajan Book 2017 Springer Nature Singapore Pte Ltd. 2017 Special methods of summability.Silverman-To