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Polynomials and lemniscates of indefiniteness
Numerische Mathematik, 2015Iterative methods of numerical linear algebra for solving large linear systems and eigenvalue problems are connected with classical approximation theory in many ways. In the article under review an attempt is made to do this for indefiniteness.
Huhtanen Marko, Nevanlinna Olavi
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Indefiniteness of Mathematical Objects
Philosophia Mathematica, 2000Der von \textit{P. Benacerraf} [``Mathematical truth'', J. Philos. 70, 661-679 (1973)] erhobene Vorwurf gegen die sogenannte platonistische Auffassung der Mathematik, insbesondere die damit verbundene Willkür in der Identifikation mathematischer Objekte, wird in diesem Artikel (festgemacht am ``Problem'', daß man nicht entscheiden kann, ob es sich bei \
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Functional Analysis and Its Applications, 2009
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BIT Numerical Mathematics, 2006
Let $A$ be a Hermitian positive definite matrix given by its rectangular factor $G$ such that $A = G^{; ; ; \ast}; ; ; G$. It is well known that the Cholesky factorization of $A$ is equivalent to the QR factorization of $G$. In this paper, an analogue of the QR factorization for Hermitian indefinite matrices is constructed.
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Let $A$ be a Hermitian positive definite matrix given by its rectangular factor $G$ such that $A = G^{; ; ; \ast}; ; ; G$. It is well known that the Cholesky factorization of $A$ is equivalent to the QR factorization of $G$. In this paper, an analogue of the QR factorization for Hermitian indefinite matrices is constructed.
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Abstract This chapter does not offer a complete survey of indefinites (determiner phrases (DPs) such as a boy, some girls, three women, etc.). Rather, it offers a selective discussion pivoted on the peculiar wide-scope properties of indefinites and also a seminal proposal for the explanation of such idiosyncrasy, which is that a choice ...
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Two-qubit correlation in two independent environments with indefiniteness
Physics Letters, Section A: General, Atomic and Solid State Physics, 2021Masashi Ban
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