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http://hdl.handle.net/1942/14728| Title: | Ext algebra of Nichols algebras of Cartan type A(2) | Authors: | YU, Xiaolan ZHANG, Yinhuo |
Issue Date: | 2013 | Source: | JOURNAL OF ALGEBRA AND ITS APPLICATIONS, 12 (4), p. (1250191-1)-(1250191-31) | Abstract: | We give the full structure of the Ext algebra of any Nichols algebra of Cartan type A2 by using the Hochschild–Serre spectral sequence. As an application, we show that the pointed Hopf algebras u(D, λ, µ) with Dynkin diagrams of type A, D, or E, except for A1 and A1 × A1 with the order NJ > 2 for at least one component J, are wild. | Keywords: | Nichols algebra; Ext algebra | Document URI: | http://hdl.handle.net/1942/14728 | ISSN: | 0219-4988 | e-ISSN: | 1793-6829 | DOI: | 10.1142/S0219498812501915 | ISI #: | 000316952300010 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2014 |
| Appears in Collections: | Research publications |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| Zhang-ext algebra.pdf Restricted Access | 422.54 kB | Adobe PDF | View/Open Request a copy |
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