Bulletin of the Faculty of Science, Ibaraki University. Series A, Mathematics

Online ISSN : 1883-4345
Print ISSN : 0579-3068
ISSN-L : 0579-3068

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Remarks on the ramification locus of the extension R[α]∩R[1/α]

SUSUMU ODA, KEN-ICHI YOSHIDA

1996 Volume 28 Pages 1-3
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.1

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Note on star-operations and semistar-operations

RYÛKI MATSUDA, IWAO SATO

1996 Volume 28 Pages 5-22
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.5

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The Schauder approach to degenerate elliptic equations with homogeneous Neumann boundary condition II

TOSHIO HORIUCHI

1996 Volume 28 Pages 23-42
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.23

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A zero estimate for exponential polynomials

MAMORU TAKEUCHI

1996 Volume 28 Pages 43-51
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.43

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Integrals of Lusin Type A Survey

YÔTO KUBOTA

1996 Volume 28 Pages 53-72
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.53

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Note on strong Aσ-summability

TUNAY BILGIN

1996 Volume 28 Pages 73-78
Published: 1996
Released on J-STAGE: May 25, 2009

DOIhttps://doi.org/10.5036/bfsiu1968.28.73

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The main object of the paper is to study the inclusions [A_σ, p]⊂[Aσ, q], [A_σ, p]⊂[B_σ, q] and [A_σ, p]∩m⊂[B_σ, q] and to characterizae the spaces M([A_σ, p], [A_σ, q]) and M₀([A_σ, p]₀, [A_σ, q]₀). Here [A_σ, p] and [A_σ, q]₀ are certain spaces of strongly summable sequences in terms of an injection σ: N→N and anonnegative infinite matrix A, and M([A_σ, p], [A_σ, q]) is the space of summability factors between [A_σ, p] and [A_σ, q].

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