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量子群起源于理论物理,与数学的许多分支和一些重要的物理模型关系十分密切。因此,近几年来量子群理论已经广泛地引起了数学家和物理学家的研究兴趣,发展十分迅速。其中,量子群微分运算方面的几何理论是首先由Woronowicz讨论的,随后,Wess,Zumino和Manin对更一般的量子群和相应的量子空间上的微分运算做了更深入的讨论。在文献[11]中,A.Schirrmacher,J.Wess & B.Zumino讨论了双参 相似文献
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用Gr(o|¨)bner-Shirshov基和PBW代数方法来计算G_2型量子群的Gelfand.Kirillov维数.得到的结论是G_2型量子群的Gelfand-Kirillov维数为14. 相似文献
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整体晶体基(又称为典范基)在量子群及其表示理论中起着重要的作用. 紧单项式是典范基中最简单的元素.本文基于Lusztig的工作来确定A_4型量子群中紧单项式的区域. 相似文献
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本文给出了代数A与双代数H的Smash积AH是A的超限左自由正规化扩张的一个充分条件.进一步,主要结果被运用到斜半群环、斜群环和量子群Uq(sl(2))从而给出了它们的一些性质. 相似文献
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本文讨论了单李超代数osp(1,2)的量子化包络代数Uq(osp(1,2))的中心,利用Uq(osp(1,2))的表示的已知结果,证明了量子群Uq(osp(1,2))的中心的刻画,证明了该量子群的中心是由一个元素生成的多项式代数. 相似文献
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柏元淮 《数学年刊B辑(英文版)》1993,(6)
量子群表示的扩张归结为秩1群的扩张.本文研究了秩1量子群有限维表示的扩张结构和诱导模的零化性质,给出了有限维 U_k~b 表示扩张成 U_k 表示的充要条件.对任一有限维 U_k~b模 V,给出了诱导模 H_k~0(V)是非零的充要条件. 相似文献
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秩1量子群的有限维表示的扩张与诱导模的零化性质 总被引:3,自引:0,他引:3
柏元淮 《数学年刊A辑(中文版)》1993,(6)
量子群表示的扩张归结为秩1群的扩张。本文研究了秩1量子群有限维表示的扩张结构和诱导模的零化性质,给出了有限维U_k~b表示扩张成U_k表示的充要条件。对任一有限维U_k~b模V,给出了诱导模H_K~0(V)是非零的充要条件。 相似文献
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《Discrete Mathematics》2023,346(6):113362
The study of perfect state transfer on graphs has attracted a great deal of attention during the past ten years because of its applications to quantum information processing and quantum computation. Perfect state transfer is understood to be a rare phenomenon. This paper establishes necessary and sufficient conditions for a bi-Cayley graph having a perfect state transfer over any given finite abelian group. As corollaries, many known and new results are obtained on Cayley graphs having perfect state transfer over abelian groups, (generalized) dihedral groups, semi-dihedral groups and generalized quaternion groups. Especially, we give an example of a connected non-normal Cayley graph over a dihedral group having perfect state transfer between two distinct vertices, which was thought impossible. 相似文献
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In this article we study the structure of highest weight modules for quantum groups defined over a commutative ring with particular emphasis on the structure theory for invariant bilinear forms on these modules. 相似文献
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Alain Bruguiéres 《代数通讯》2013,41(3):737-767
This paper is the sequel of a previous one [2] where we extended the Tannaka-Krein duality results to the non-commutative situation, i.e. to ‘quantum groupoids’. Here we extend those results to the quasi-monoidal situation, corresponding to ‘quasi-quantum groupoids’ as defined in [3] (‘quasi-’ stands for quasi-associativity a la Drinfeld). More precisely, let B be a commutative algebra over a field k. Given a tensor autonomous category τ,. we define the notion of a quasi-fibre functor ω:τ-proj B (here, ‘quasi-’ means without compatibility to associativity constraints). On the other hand, we define the notion of a transitive quasi-quantum groupoid over B. We then show that the category of tensor autonomous categories equipped with a quasi-fibre functor (with suitable morphisms), is equivalent to the category of transitive quasi-quantum groupoids (5.4.2) Moreover, we classify quasi-fibre functors for a semisimple tensor autonomous category (6.1.2), and give a few examples : a family of quantum groups having the same tensor category of representations as Sl2(C), but with non-isornorphic underlying coalgebras, constructed by means of an R-matrix introduced by Gurevich ([9]) in a manner suggested to the author by Lyubashenko (6.2.1 and 6.2.2), and quasi-quantum groups which cannot be obtained from quantum groups by a Drinfeld twist (6.2.1) 相似文献
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In this paper, we prove the Donoho–Stark uncertainty principle for locally compact quantum groups and characterize the minimizer which are bi-shifts of group-like projections. We also prove the Hirschman–Beckner uncertainty principle for compact quantum groups and discrete quantum groups. Furthermore, we show Hardy's uncertainty principle for locally compact quantum groups in terms of bi-shifts of group-like projections. 相似文献
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For a non-degenerate pair of compact quantum groups, we first construct the quantum double as an algebraic compact quantum group in an algebraic framework. Then by adopting some completion procedure, we give the universal and reduced quantum double constructions in the correspondence C*-algebraic settings, which generalize Drinfeld's quantum double construction and yield new C*-algebraic compact quantum groups. 相似文献
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《代数通讯》2013,41(10):4085-4097
Abstract In this paper, over a field k, we give the structure theorem of the quantum double of a finite Clifford monoid through bicrossed products and quantum doubles of groups. By this result, it is shown that the quantum double of a finite Clifford monoid is semisimple (resp. von Neumann regular) if and only if the semigroup is a finite group and the characteristic p of k does not divide the order of this group. 相似文献
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Haonan Zhang 《代数通讯》2013,41(10):4095-4113
Sekine quantum groups are a family of finite quantum groups. The main result of this article is to compute all the idempotent states on Sekine quantum groups, which completes the work of Franz and Skalski. This is achieved by solving a complicated system of equations using linear algebra and basic number theory. From this, we discover a new class of non-Haar idempotent states. The order structure of the idempotent states on Sekine quantum groups is also discussed. Finally we give a sufficient condition for the convolution powers of states on Sekine quantum group to converge. 相似文献
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In [3] it was shown that a (real) signed measure on a cyclic coarse-grained quantum logic can be extended, as a signed measure,
over the entire power algebra. Later ([9]) this result was re-proved (and further improved on) and, moreover, the non-negative
measures were shown to allow for extensions as non-negative measures. In both cases the proof technique used was the technique
of linear algebra. In this paper we further generalize the results cited by extending group-valued measures on cyclic coarse-grained
quantum logics (or non-negative group-valued measures for lattice-ordered groups). Obviously, the proof technique is entirely
different from that of the preceding papers. In addition, we provide a new combinatorial argument for describing all atoms
of cyclic coarse-grained quantum logics. 相似文献
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Yu. N. Bespalov 《Theoretical and Mathematical Physics》1995,103(3):621-637
Previous results about crossed modules over a braided Hopf algebra are applied to the study of quantum groups in braided categories. Cross products for braided Hopf algebras and quantum braided groups are constructed. Criteria for when a braided Hopf algebra or a quantum group is a cross product are obtained. A generalization of Majid's transmutation procedure for quantum braided groups is considered. A ribbon structure on a quantum braided group and its compatibility with cross product and transmutation are studied.Translated from Teoreticheskaya i Matematicheskaya Fizika, Vol. 103, No. 3, pp. 368–387, June, 1995. 相似文献