On the structures of hive algebras and tensor product algebras for general linear groups of low rank
- Authors
- Kim, Donggyun; Kim, Sangjib; Park, Euisung
- Issue Date
- 11월-2019
- Publisher
- WORLD SCIENTIFIC PUBL CO PTE LTD
- Keywords
- General linear group; highest weight vector; Littlewood-Richardson coefficients; tensor product decomposition; tensor product algebra; hive; Hilbert-Poincare series
- Citation
- INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION, v.29, no.7, pp.1193 - 1218
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF ALGEBRA AND COMPUTATION
- Volume
- 29
- Number
- 7
- Start Page
- 1193
- End Page
- 1218
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/62087
- DOI
- 10.1142/S0218196719500462
- ISSN
- 0218-1967
- Abstract
- The tensor product algebra TA(n) for the complex general linear group GL(n), introduced by Howe et al., describes the decomposition of tensor products of irreducible polynomial representations of GL(n). Using the hive model for the Littlewood-Richardson (LR) coefficients, we provide a finite presentation of the algebra TA(n) for n = 2, 3,4 in terms of generators and relations, thereby giving a description of highest weight vectors of irreducible representations in the tensor products. We also compute the generating function of certain sums of LR coefficients.
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