《数学学报》杂志2017年第04期期刊目录-发表之家

Modular Invariance and Anomaly Cancellation Formulas in Odd Dimension II

作者：Ke; Feng; LIU; Yong; WANG 刊期：2017年第04期

By studying modular invariance properties of some characteristic forms, we get some gen-eralized anomaly cancellation formulas on （4r - 1）-dimensional manifolds with no assumption thatthe 3rd de-Rham cohomology of manifolds vanishes. These anomaly cancellation formulas generalizeour previous anomaly cancellation fo...
Topological Recursion Relations from Pixton Relations

作者：Yi; Jie; LIN; Jian; ZHOU 刊期：2017年第04期

We propose an algorithm to derive tautological relations from Pixton relations. We carryout this algorithm explicitly to derive some results in genus 0, 1, 2, 3 and analyze the possibility togeneralize to higher genera. As an application, some results about reconstruction of Gromov-Witteninvariants can be derived.
A Characterization of Generalized Derivations of JSL Algebras

作者：Lin; CHEN; Fang; Yan; LU 刊期：2017年第04期

Let Alg be a -subspace lattice algebra on a Banach space X and M be an operator in Alg . We prove that if δ ： Alg → B（X） is a linear mapping satisfying 5（AB） = 5（A）B ＋ AS（B）for all A, B C Alg with AMB =0, then 5 is δ generalized derivation. This result can be applied toatomic Boolean subspace lattice algeb...
Linear Arboricity of Regular Digraphs

作者：Hao; LI; Yan; Dong; BAI; Qiang; SUN 刊期：2017年第04期

A linear directed forest is a directed graph in which every component is a directed path.The linear arboricity la（D） of a digraph D is the minimum number of linear directed forests in Dwhose union covers all arcs of D. For every d-regular digraph D, Nakayama and Peroche conjecturethat la（D） = d ＋ 1. In this pape...
A Joint Laplace Transform for Pre-exit Diffusion of Occupation Times

作者：Ye; CHEN; Xiang; Qun; YANG; Ying; Qiu; LI; Xiao; Wen; ZHOU 刊期：2017年第04期

For a 〈 r 〈 b, the approach of Li and Zhou （2014） is adopted to find joint Laplacetransforms of occupation times over intervals （a, r） and （r, b） for a time homogeneous diffusion processbefore it first exits from either a or b. The results are expressed in terms of solutions to the differentialequations assoc...
Spectral Invariant Subalgebras of Reduced Groupoid C^＊-algebras

作者：Cheng; Jun; HOU 刊期：2017年第04期

We introduce the notion of property （RD） for a locally compact, Hausdorff and r-discretegroupoid G, and show that the set S2^l（G） of rapidly decreasing functions on G with respect to acontinuous length function I is a dense spectral invariant and Freehet ＊-subalgebra of the reducedgroupoid C^＊-algebra Cr^＊.（G...
Super Weak Compactness and Uniform Eberlein Compacta

作者：Zhi; Tao; YANG; Yu; Feng; LU; Qing; Jin; CHENG 刊期：2017年第04期

We prove that a topological space is uniform Eberlein compact iff it is homeomorphic to asuper weakly compact subset C of a Banach space such that the closed convex hull coC of C is superweakly compact. We also show that a Banach space X is super weakly compactly generated iff the dualunit ball Bx＊ of X^＊ in its we...
On the Fekete and Szeg5 Problem for Starlike Mappings of Order α

作者：Qing; Hua; XU; Fang; FANG; Tai; Shun; LIU 刊期：2017年第04期

Let Sα^＊ be the familiar class of normalized starlike functions of order α in the unit disk. Inthis paper, we establish the Fekete and Szego inequality for the class Sα^＊, and then we generalize thisresult to the unit ball in a complex Banach space or on the unit polydisk in C^n.
Polycyclic Groups Admitting of Ordera Regular AutomorphismFour

作者：Tao; XU; He; Guo; LIU 刊期：2017年第04期

Let G be a polycyclic group and a a regular automorphism of order four of G. If the map φ： G →G defined by gφ= [g, α] is surjective, then the second derived group of G is contained in thecentre of G. Abandoning the condition on surjectivity, we prove that Cc（α2） and G/[G, α^2] are bothabelian-by-finite.
Norm Equalities and Inequalities for Three Circulant Operator Matrices

作者：Zhao; Lin; JIANG; Yun; Cheng; QIAO; Shu; Dong; WANG 刊期：2017年第04期

In this paper, three new circulant operator matrices, scaled circulant operator matrices,diag-circulant operator matrices and retrocirculant operator matrices, are given respectively. Severalnorm equalities and inequalities for these operatornorm equalities and inequalities, such as the usualmatrices are proved. We s...

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数学学报杂志北大期刊 CSCD期刊 统计源期刊

Acta Mathematica Sinica(Chinese Series)

Modular Invariance and Anomaly Cancellation Formulas in Odd Dimension II

Topological Recursion Relations from Pixton Relations

A Characterization of Generalized Derivations of JSL Algebras

Linear Arboricity of Regular Digraphs

A Joint Laplace Transform for Pre-exit Diffusion of Occupation Times

Spectral Invariant Subalgebras of Reduced Groupoid C^＊-algebras

Super Weak Compactness and Uniform Eberlein Compacta

On the Fekete and Szeg5 Problem for Starlike Mappings of Order α

Polycyclic Groups Admitting of Ordera Regular AutomorphismFour

Norm Equalities and Inequalities for Three Circulant Operator Matrices

小学数学教育

数学通讯

中小学数学·高中版

中等数学

佳木斯大学学报

中学数学教学参考

中学数学研究

数学教学

齐齐哈尔医学院学报

南方医科大学学报

初中数学教与学

小学数学教师

数学学报杂志 北大期刊 CSCD期刊 统计源期刊

Acta Mathematica Sinica(Chinese Series)

Modular Invariance and Anomaly Cancellation Formulas in Odd Dimension II

Topological Recursion Relations from Pixton Relations

A Characterization of Generalized Derivations of JSL Algebras

Linear Arboricity of Regular Digraphs

A Joint Laplace Transform for Pre-exit Diffusion of Occupation Times

Spectral Invariant Subalgebras of Reduced Groupoid C^＊-algebras

Super Weak Compactness and Uniform Eberlein Compacta

On the Fekete and Szeg5 Problem for Starlike Mappings of Order α

Polycyclic Groups Admitting of Ordera Regular AutomorphismFour

Norm Equalities and Inequalities for Three Circulant Operator Matrices

小学数学教育

数学通讯

中小学数学·高中版

中等数学

佳木斯大学学报

中学数学教学参考

中学数学研究

数学教学

齐齐哈尔医学院学报

南方医科大学学报

初中数学教与学

小学数学教师

数学学报杂志北大期刊 CSCD期刊统计源期刊