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UID:6c76452ed9951b2d3c09c14f09576343
CATEGORIES:Lie Group Quantum Mathematics Seminar
CREATED:20230329T104443
SUMMARY: Yang-Baxter equations for vertex operator algebras and their operator forms
LOCATION:Hill 705
DESCRIPTION:Abstract The classical Yang-Baxter equation (CYBE) is the semi-classical li
 mit ofthe quantum Yang-Baxter equation, named after the physicists C.N. Yan
 g andR. Baxter. Its solution has inspired the remarkable works of Belavin, 
 Drinfeld,and others and the important notions of Lie bialgebras and Manin t
 riples.Motivated by the importance of the CYBE in the theory and applicatio
 ns ofLie algebras, various analogs of the CYBE for other algebraic structur
 es havebeen extensively studied in recent years. In this talk, we will firs
 t review thetensor and operator forms of the CYBE and their connections wit
 h theRota-Baxter operators. Then we will give a generalization of the CYBE 
 in bothtensor and operator form to the vertex operator algebras, which prov
 ides uswith a parameter-independent Yang-Baxter equation whose solutions li
 e inan infinite-dimensional vector space. Finally, we will discuss its rela
 tions withthe CYBE. No prior knowledge of Yang-Baxter equations is required
 . This talk isbased on a joint work with Chengming Bai and Li Guo.\n
X-ALT-DESC;FMTTYPE=text/html:<p><strong style="color: #242424; font-family: 'Segoe UI', 'Segoe UI Web (W
 est European)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Hel
 vetica Neue', sans-serif; font-size: 15px; letter-spacing: normal; orphans:
  2; text-align: start; text-indent: 0px; text-transform: none; white-space:
  normal; widows: 2; word-spacing: 0px; background-color: #ffffff;">Abstract
 &nbsp;</strong>The classical Yang-Baxter equation (CYBE) is the semi-classi
 cal limit of<br style="color: #242424; font-family: 'Segoe UI', 'Segoe UI W
 eb (West European)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto,
  'Helvetica Neue', sans-serif; font-size: 15px; font-weight: 400; letter-sp
 acing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transf
 orm: none; white-space: normal; widows: 2; word-spacing: 0px; background-co
 lor: #ffffff;" aria-hidden="true">the quantum Yang-Baxter equation, named a
 fter the physicists C.N. Yang and<br style="color: #242424; font-family: 'S
 egoe UI', 'Segoe UI Web (West European)', 'Segoe UI', -apple-system, BlinkM
 acSystemFont, Roboto, 'Helvetica Neue', sans-serif; font-size: 15px; font-w
 eight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-ind
 ent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacin
 g: 0px; background-color: #ffffff;" aria-hidden="true">R. Baxter. Its solut
 ion has inspired the remarkable works of Belavin, Drinfeld,<br style="color
 : #242424; font-family: 'Segoe UI', 'Segoe UI Web (West European)', 'Segoe 
 UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-seri
 f; font-size: 15px; font-weight: 400; letter-spacing: normal; orphans: 2; t
 ext-align: start; text-indent: 0px; text-transform: none; white-space: norm
 al; widows: 2; word-spacing: 0px; background-color: #ffffff;" aria-hidden="
 true">and others and the important notions of Lie bialgebras and Manin trip
 les.<br style="color: #242424; font-family: 'Segoe UI', 'Segoe UI Web (West
  European)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvet
 ica Neue', sans-serif; font-size: 15px; font-weight: 400; letter-spacing: n
 ormal; orphans: 2; text-align: start; text-indent: 0px; text-transform: non
 e; white-space: normal; widows: 2; word-spacing: 0px; background-color: #ff
 ffff;" aria-hidden="true">Motivated by the importance of the CYBE in the th
 eory and applications of<br style="color: #242424; font-family: 'Segoe UI',
  'Segoe UI Web (West European)', 'Segoe UI', -apple-system, BlinkMacSystemF
 ont, Roboto, 'Helvetica Neue', sans-serif; font-size: 15px; font-weight: 40
 0; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px;
  text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; b
 ackground-color: #ffffff;" aria-hidden="true">Lie algebras, various analogs
  of the CYBE for other algebraic structures have<br style="color: #242424; 
 font-family: 'Segoe UI', 'Segoe UI Web (West European)', 'Segoe UI', -apple
 -system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif; font-siz
 e: 15px; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: 
 start; text-indent: 0px; text-transform: none; white-space: normal; widows:
  2; word-spacing: 0px; background-color: #ffffff;" aria-hidden="true">been 
 extensively studied in recent years. In this talk, we will first review the
 <br style="color: #242424; font-family: 'Segoe UI', 'Segoe UI Web (West Eur
 opean)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica 
 Neue', sans-serif; font-size: 15px; font-weight: 400; letter-spacing: norma
 l; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; w
 hite-space: normal; widows: 2; word-spacing: 0px; background-color: #ffffff
 ;" aria-hidden="true">tensor and operator forms of the CYBE and their conne
 ctions with the<br style="color: #242424; font-family: 'Segoe UI', 'Segoe U
 I Web (West European)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Robo
 to, 'Helvetica Neue', sans-serif; font-size: 15px; font-weight: 400; letter
 -spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-tra
 nsform: none; white-space: normal; widows: 2; word-spacing: 0px; background
 -color: #ffffff;" aria-hidden="true">Rota-Baxter operators. Then we will gi
 ve a generalization of the CYBE in both<br style="color: #242424; font-fami
 ly: 'Segoe UI', 'Segoe UI Web (West European)', 'Segoe UI', -apple-system, 
 BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-serif; font-size: 15px; 
 font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; te
 xt-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-
 spacing: 0px; background-color: #ffffff;" aria-hidden="true">tensor and ope
 rator form to the vertex operator algebras, which provides us<br style="col
 or: #242424; font-family: 'Segoe UI', 'Segoe UI Web (West European)', 'Sego
 e UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-se
 rif; font-size: 15px; font-weight: 400; letter-spacing: normal; orphans: 2;
  text-align: start; text-indent: 0px; text-transform: none; white-space: no
 rmal; widows: 2; word-spacing: 0px; background-color: #ffffff;" aria-hidden
 ="true">with a parameter-independent Yang-Baxter equation whose solutions l
 ie in<br style="color: #242424; font-family: 'Segoe UI', 'Segoe UI Web (Wes
 t European)', 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helve
 tica Neue', sans-serif; font-size: 15px; font-weight: 400; letter-spacing: 
 normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: no
 ne; white-space: normal; widows: 2; word-spacing: 0px; background-color: #f
 fffff;" aria-hidden="true">an infinite-dimensional vector space. Finally, w
 e will discuss its relations with<br style="color: #242424; font-family: 'S
 egoe UI', 'Segoe UI Web (West European)', 'Segoe UI', -apple-system, BlinkM
 acSystemFont, Roboto, 'Helvetica Neue', sans-serif; font-size: 15px; font-w
 eight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-ind
 ent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacin
 g: 0px; background-color: #ffffff;" aria-hidden="true">the CYBE. No prior k
 nowledge of Yang-Baxter equations is required. This talk is<br style="color
 : #242424; font-family: 'Segoe UI', 'Segoe UI Web (West European)', 'Segoe 
 UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', sans-seri
 f; font-size: 15px; font-weight: 400; letter-spacing: normal; orphans: 2; t
 ext-align: start; text-indent: 0px; text-transform: none; white-space: norm
 al; widows: 2; word-spacing: 0px; background-color: #ffffff;" aria-hidden="
 true">based on a joint work with Chengming Bai and Li Guo.</p>
CONTACT:Jianqi Liu, University of California at Santa Cruz
DTSTAMP:20260827T094945
DTSTART;TZID=America/New_York:20230407T121000
DTEND;TZID=America/New_York:20230407T131000
SEQUENCE:0
TRANSP:OPAQUE
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