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INDECOMPOSABLE: 作品数：58被引量：24H指数：2; 导出分析报告; 相关领域：理学更多>>; 相关作者：樊元更多>>; 相关机构：西北师范大学更多>>; 相关期刊：《Science China Mathematics》《Communications in Theoretical Physics》《Frontiers of Computer Science》《Algebra Colloquium》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划上海市自然科学基金北京市自然科学基金更多>>

Additively Indecomposable Positive Definite Integral Lattices: 《Acta Mathematica Sinica,English Series》2025年第3期908-924,共17页Ruiqing Wang; In this paper, we obtain some sufficient and necessary conditions for indecomposable positive definite integral lattices with discriminants 2, 3, 4 and 5 over Z being additively indecomposable lattices. Using these re...; 关键词：Indecomposable lattice additively indecomposable lattice unimodular lattice adjacent lattice GENUS

Grobner-Shirshov Basis of Derived Hall Algebra of Type An被引量：1: 《Acta Mathematica Sinica,English Series》2020年第8期929-942,共14页Zhe HE Abdukadir OBUL; Supported by the Natural Science Foundation of China(Grant No.11861061)。; We know that in Ringel-Hall algebra of Dynkin type,the set of all skew commutator relations between the iso-classes of indecomposable modules forms a minimal Grobner-Shirshov basis,and the corresponding irreducible el...; 关键词：Derived Hall algebra indecomposable objects skew commutator relations Auslander-Reiten quiver

Stability Characterizations of ε-isometries on Certain Banach Spaces被引量：2: 《Acta Mathematica Sinica,English Series》2019年第1期123-134,共12页Li Xin CHENG Long Fa SUN; supported in part by the Natural Science Foundation of China(Grant Nos.11731010,11471270&11471271); Suppose that X, Y are two real Banach Spaces. We know that for a standard ε-isometry f : X → Y, the weak stability formula holds and by applying the formula we can induce a closed subspace N of *. In this paper, by ...; 关键词：ε-isometry STABILITY hereditarily INDECOMPOSABLE SPACE quasi-reflexive SPACE BANACH SPACE

The Classification of 2 and 3 Torsion Free Polyhedra被引量：2: 《Acta Mathematica Sinica,English Series》2015年第11期1659-1682,共24页Jian Zhong PAN Zhong Jian ZHU; Supported by National Natural Science Foundation of China(Grant Nos.11131008,61173009); We classify the stable homotopy types of （n- 1）-connected, （n ＋ k）-dimensional polyhedra with 2 and 3-torsion free homologies for k 〈 6. The technique used is matrix problem （bimodule categories） which is give...; 关键词：HOMOTOPY INDECOMPOSABLE matrix problem

Indecomposable Large Sets of Steiner Triple Systems with Indices 5, 6: 《Acta Mathematica Sinica,English Series》2012年第11期2169-2184,共16页Mei Hui CHENG Zi Hong TIAN; Supported by National Natural Science Foundation of China (Grant Nos. 10971051 and 11071056); A family （X, B1）,（X, B2）,..., （X, Bq） of q STS（v）s is a λ-fold large set of STS（v） and denoted by LSTSλ（v） if every 3-subset of X is contained in exactly A STS（v）s of the collection. It is indecomposab...; 关键词：Steiner triple system large set candelabra system INDECOMPOSABLE

On Hereditarily Indecomposable Banach Spaces被引量：1: 《Acta Mathematica Sinica,English Series》2006年第3期751-756,共6页Li Xin CHENG Huai Jie ZHONG; Research supported by NSFC(Grant No.10471114 and No.10471025); This paper shows that every non-separable hereditarily indecomposable Banach space admits an equivalent strictly convex norm, but its bi-dual can never have such a one; consequently, every non-separable hereditarily i...; 关键词：decomposition of spaces hereditarily indecomposable Banach space renormings

Commuting Involutions with Fixed Point Set of Variable Codimension被引量：1: 《Acta Mathematica Sinica,English Series》2001年第3期425-430,共6页Yan Ying WANG Zhen De WU Zhao Jing MENG Department of Mathematics,Hebei Normal University,Shijiazhuang 050016.P.R.China E-mail:Wang Yangying@263.net; HNSF ; BSHJJ; Special generators of the unoriented cobordism ring MO_* are constructed to determine some groups J_n,k^{l₁,l₂,…,l_m} of cobordism classes in MO_n...; 关键词：Indecomposable class Fixed point set Projective space bundle (Z₂)^k-action

On Non-Decomposable Hermitian Forms over Gaussian Domain: 《Acta Mathematica Sinica,English Series》1998年第4期447-456,共10页Zhu Fuzu, Department of Mathematics, East China Normal University, Shanghai 200062, China; Methods are presented for the construction of non-decomposable Hermitian forms over the ring of integers of an imaginary quadratic field.; 关键词：Non-decomposable form Indecomposable form Odd form Even form Reduced form

A Generalization of the Existence Theorem of Special Line Bundles: 《Acta Mathematica Sinica,English Series》1995年第3期232-246,共15页Tan Xiaojiang; Project partly supported by the National Natural Science Foundation of China; Let X be a generic smooth irreducible complex projective curve of genus g with g≥4. In this paper, we generalize the existence theorem of special divisors to high dimensional indecomposable vector bundles. We give a ...; 关键词：Algebraic curves Brill-Noether theory Indecomposable vector boundles

On Indecomposable Definite Hermitian Forms被引量：1: 《Acta Mathematica Sinica,English Series》1995年第3期291-299,共9页Zhu Fuzu; In this paper, for any given natural numbers n and a, we can construct explicitly positive definite indecomposable integral Hermitian forms of rank n over Q(-3^1/2) with discriminant a, with the following te...; 关键词：Indecomposable lattics (form) Unimodular lattice (form) Minimum of a lattice Irreducible vector

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