منابع مشابه
Trefftz–Herrera Method
The author’s algebraic theory of boundary value problems has permitted systematizing Trefftz method and expanding its scope. The concept of TH-completeness has played a key role for such developments. This paper is devoted to revise the present state of these matters. Starting from the basic concepts of the algebraic theory, Green–Herrera formulas are presented and Localized Adjoint Method (LAM...
متن کاملColeff - Herrera currents revisited ?
In the present paper, we describe the recent approach to residue currents by M. Andersson, J. E. Björk, H. Samuelsson [2, 12, 13], focusing primarily on the methods inspired by analytic continuation (which were initiated in a quite primitive form in [8]). Coleff-Herrera currents (with or without poles) play indeed a crucial role in Lelong-Poincaré type factorization formulas for integration cur...
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whence she had come nor whither she was bound, for she had no record of any kind with her. When she was questioned her vocabulary seemed to consist solely of head shakings and a few utterly unintelligible syllables. It is not recorded how Grace happened to be thrust into a second grade that first day. But it was the second grade teacher who began to complain, a few days later, of "that little n...
متن کاملUniqueness and Factorization of Coleff-herrera Currents
We prove a uniqueness result for Coleff-Herrera currents which in particular means that if f = (f1, . . . , fm) defines a complete intersection, then the classical Coleff-Herrera product associated to f is the unique Coleff-Herrera current that is cohomologous to 1 with respect to the operator δf − ∂̄, where δf is interior multiplication with f . From the uniqueness result we deduce that any Col...
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The death of Mr. Gerald Grace took place in South Africa as the result of a singularly tragic incident on Sept. 17th. For some time the Witwatersrand had been terrorised by a band of desperadoes. Mr. Grace was travelling on the Witwatersrand reef in a motor-car resembling that in which the gang was believed to be escaping. The police challenged the car, but, according to the account in the Rand...
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ژورنال
عنوان ژورنال: Revista humanidades
سال: 1969
ISSN: 2215-3934
DOI: 10.15517/h.v5i1.19858