共查询到20条相似文献,搜索用时 15 毫秒
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The purpose of this short note is to give a generalization of Calkin's identity. 相似文献
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The identity discovered in [1] can be viewed as a sharpening of the LYM inequality ([3], [4], [5]). It was extended in [2] so that it covers also Bollobás' inequality [6]. Here we present a further generalization and demonstrate that it shares with its predecessors the usefullness for uniqueness proofs in extremal set theory. 相似文献
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Pentti Haukkanen 《Aequationes Mathematicae》1988,35(1):76-81
Arithmetical functionsf andh are said to satisfy the Subbarao identity if
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We study the influence of generalized modular subgroups on the structure of finite groups. 相似文献
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Jayce Getz 《Proceedings of the American Mathematical Society》2004,132(8):2221-2231
Rankin and Swinnerton-Dyer (1970) prove that all zeros of the Eisenstein series in the standard fundamental domain for lie on . In this paper we generalize their theorem, providing conditions under which the zeros of other modular forms lie only on the arc . Using this result we prove a speculation of Ono, namely that the zeros of the unique ``gap function" in , the modular form with the maximal number of consecutive zero coefficients in its -expansion following the constant , has zeros only on . In addition, we show that the -invariant maps these zeros to totally real algebraic integers of degree bounded by a simple function of weight .
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《Discrete Mathematics》2019,342(7):2112-2115
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We characterize the function spanned by theta series. As an application we derive a simple proof of the modular identity of the theta series.
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Wim Couwenberg 《Proceedings of the American Mathematical Society》2003,131(11):3305-3307
The modular identity arises in the theory of theta functions in one complex variable. It states a relation between theta functions for parameters and situated in the complex upper half-plane. A standard proof uses Poisson summation and hence builds on results from Fourier theory. This paper presents a simple proof using only a uniqueness property and the heat equation.
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Soichi Okada 《Advances in Mathematics》2006,204(2):530-538
We present a Pfaffian identity involving elliptic functions, whose rational limit gives a generalization of Schur's Pfaffian identity for Pf((xj-xi)/(xj+xi)). This identity can be regarded as the Pfaffian counterpart of Frobenius’ generalization of Cauchy's determinant identity for det(1/(xi+xj)). 相似文献
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An infinite summation formula of Hall-Littlewood polynomials due to Kawanaka is generalized to a finite summation formula,
which implies, in particular, twelve more multiple q-identities of Rogers-Ramanujan type than those previously found by Stembridge and the last two authors. 相似文献
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We present an inequality and an identity involving Gram determinants, which can be viewed as a generalization of Bessel"s
and Parseval"s, respectively.
This revised version was published online in June 2006 with corrections to the Cover Date. 相似文献
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A. A. Lashkhi 《Journal of Mathematical Sciences》1987,38(2):1823-1853
The classification of Lie algebras over a principal ideal ring, the lattice of whose subalgebras satisfies a modular identity, is given.Translated from Itogi Nauki i Tekhniki, Sovremennye Problemy Matematiki, Noveishie Dostizheniya, Vol. 26, pp. 213–257, 1985. 相似文献
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A generalization of Sylvester's identity on determinants is proved by elimination techniques. As an application some inequalities for determinants of totally positive or positive definite matrices are derived. 相似文献
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Ya. M. Chikvashvili 《Mathematical Notes》1969,5(4):245-246
For a function of a field of arbitrary type given in a space of affine connectedness a relationship is deduced which is analogous to the well-known Ricci identity for tensor fields.Translated from Matematicheskie Zametki, Vol. 5, No. 4, pp. 409–411, April, 1969. 相似文献
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