14 resultados para Operatibility of the Paterna function
em Bulgarian Digital Mathematics Library at IMI-BAS
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2000 Math. Subject Classification: 33E12, 65D20, 33F05, 30E15
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Mathematics Subject Classification: 26A33, 33C20.
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Mathematics Subject Classification: 33D15, 44A10, 44A20
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Mathematics Subject Classification: 26A33, 33C60, 44A15
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2000 Mathematics Subject Classification: 35P25, 81U20, 35S30, 47A10, 35B38.
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Let a compact Hausdorff space X contain a non-empty perfect subset. If < and is a countable ordinal, then the Banach space B (X) of all bounded real-valued functions of Baire class on X is a proper subspace of the Banach space B (X). In this paper it is shown that: 1. B (X) has a representation as C(b X), where b X is a compactification of the space P X the underlying set of X in the Baire topology generated by the G -sets in X. 2. If 1 < , where is the first uncountable ordinal number, then B (X) is uncomplemented as a closed subspace of B (X). These assertions for X = [0, 1] were proved by W. G. Bade [4] and in the case when X contains an uncountable compact metrizable space by F.K.Dashiell [9]. Our argumentation is one non-metrizable modification of both Bades and Dashiells methods.
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We consider the existence and uniqueness problem for partial differential-functional equations of the first order with the initial condition for which the right-hand side depends on the derivative of unknown function with deviating argument.
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Mathematics Subject Classification: 44A05, 46F12, 28A78
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2000 Mathematics Subject Classification: 33C10, 33-02, 60K25
On the Riemann-Liouville Fractional q-Integral Operator Involving a Basic Analogue of Fox H-Function
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2000 Mathematics Subject Classification: 33D60, 26A33, 33C60
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AMS Subj. Classication: MSC2010: 11F72, 11M36, 58J37
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2000 Mathematics Subject Classification: Primary 47A48, Secondary 60G12
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AMS subject classification: 90C05, 90A14.
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We introduce a modification of the familiar cut function by replacing the linear part in its definition by a polynomial of degree p + 1 obtaining thus a sigmoid function called generalized cut function of degree p + 1 (GCFP). We then study the uniform approximation of the (GCFP) by smooth sigmoid functions such as the logistic and the shifted logistic functions. The limiting case of the interval-valued Heaviside step function is also discussed which imposes the use of Hausdorff metric. Numerical examples are presented using CAS MATHEMATICA.