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Title: | On cohomological and K-theoretical Hall algebras of symmetric quivers | Authors: | Lunts, Valery SPENKO, Spela VAN DEN BERGH, Michel |
Issue Date: | 2024 | Publisher: | ACADEMIC PRESS INC ELSEVIER SCIENCE | Source: | JOURNAL OF ALGEBRA, 639 , p. 440 -463 | Abstract: | We give a brief review of the cohomological Hall algebra CoHA 71 and the K-theoretical Hall algebra KHA 7Z associated to quivers. In the case of symmetric quivers, we show that there exists a homomorphism of algebras (obtained from a Chern character map) 7Z -+ 71 sigma similar to where 71 sigma similar to is a Zhang twist of the completion of 71. Moreover, we establish the equivalence of categories of "locally finite" graded modules 71- Modlf ⠄ 7ZQ- Modlf. Examples of locally finite 71-, resp. 7ZQ-modules | Notes: | Spenko, S (corresponding author), Univ Libre Bruxelles, Dept Math, Campus Plaine,CP 213,Bld Triomphe, B-1050 Brussels, Belgium. vlunts@indiana.edu; spela.spenko@ulb.be; michel.vandenbergh@uhasselt.be |
Keywords: | Quiver representations;Cohomological Hall algebra;K-theory;Chern character | Document URI: | http://hdl.handle.net/1942/41963 | ISSN: | 0021-8693 | e-ISSN: | 1090-266X | DOI: | 10.1016/j.jalgebra.2023.09.019 | ISI #: | 001110992800001 | Rights: | 2023 Elsevier Inc. All rights reserved. | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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On cohomological and K-theoretical Hall algebras of symmetric quivers.pdf Restricted Access | Published version | 406.62 kB | Adobe PDF | View/Open Request a copy |
Coha_Koha_revision.pdf Until 2024-07-31 | Peer-reviewed author version | 385.05 kB | Adobe PDF | View/Open Request a copy |
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