Leonid Grigoryevich Rybnikov
- Associate Professor:Faculty of Mathematics / Joint Department with the Kharkevich Institute for Information Transmission Problems (RAS)
- Leonid Grigoryevich Rybnikov has been at HSE University since 2009.
Education and Degrees
- 2021
Doctor of Sciences*
- 2006
Candidate of Sciences* (PhD) in Mathematical Logic, Algebra and Number Theory
Lomonosov Moscow State University - 2003
Degree
Lomonosov Moscow State University
According to the International Standard Classification of Education (ISCED) 2011, Candidate of Sciences belongs to ISCED level 8 - "doctoral or equivalent", together with PhD, DPhil, D.Lit, D.Sc, LL.D, Doctorate or similar. Candidate of Sciences allows its holders to reach the level of the Associate Professor.
A post-doctoral degree called Doctor of Sciences is given to reflect second advanced research qualifications or higher doctorates in ISCED 2011.

Young Faculty Support Program (Group of Young Academic Professionals)
Category "Future Professoriate" (2012-2013)
Category "New Lecturers" (2009-2011)
Courses (2021/2022)
- Algebra (Bachelor’s programme; Faculty of Mathematics; 2 year, 1-3 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Lie Groups and Lie Algebras (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research Seminar "Representation Theory 1" (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research Seminar "Representation Theory 2" (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
- Past Courses
Courses (2020/2021)
- Lie Groups and Lie Algebras (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research seminar "Additional chapters of algebra" (Optional course (faculty); Faculty of Mathematics; 1-3 module)Rus
- Research Seminar "Representation Theory 1" (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
Courses (2019/2020)
- Advanced Topics in Algebra (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 2 year, 1-4 module)Rus
- Research Seminar "Representation Theory 1" (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research Seminar "Representation Theory 2" (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
Courses (2018/2019)
- Advanced Topics in Algebra (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 2 year, 1, 2 module)Rus
- Mathematics. Licenciatus (Bachelor’s programme; Faculty of Mathematics; 3 year, 4 module)Rus
- Mathematics Practical Training (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Research Seminar "Geometric Algebra" (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
- Research Seminar "Representation Theory 1" (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research Seminar "Representation Theory 2" (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
Courses (2017/2018)
- Algebra (Bachelor’s programme; Faculty of Mathematics; 2 year, 1, 2 module)Rus
- Algebra (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Geometry (Bachelor’s programme; Faculty of Mathematics; 1 year, 1-4 module)Rus
- Research Seminar "Representation Theory 1" (Optional course (faculty); Faculty of Mathematics; 1, 2 module)Rus
- Research Seminar "Representation Theory 2" (Optional course (faculty); Faculty of Mathematics; 3, 4 module)Rus
Dissertation for a degree of Doctor of Science
L. G. Rybnikov Geometry and Combinatorics of Gaudin algebras
Publications34
- Article Aleksei Ilin, Mashanova-Golikova I., Leonid Rybnikov. Spectra of Bethe subalgebras of Y(gl_n) in tame representations // Letters in Mathematical Physics. 2022. Vol. 112. No. 5. Article 99. doi
- Article Aleksei Ilin, Leonid Rybnikov. On classical limits of Bethe subalgebras in Yangians // Transformation Groups. 2021. Vol. 26. No. 2. P. 537-564. doi
- Article Rybnikov L. G. A Proof of the Gaudin Bethe Ansatz Conjecture // International Mathematics Research Notices. 2020. Vol. 2020. No. 22. P. 8766-8785. doi
- Article Halacheva I., Kamnitzer J., Rybnikov L. G., Weekes A. Crystals and monodromy of Bethe vectors // Duke Mathematical Journal. 2020. Vol. 169. No. 12. P. 2337-2419. doi
- Article Aleksei Ilin, Leonid Rybnikov. Bethe Subalgebras in Yangians and the Wonderful Compactification // Communications in Mathematical Physics. 2019. Vol. 372. No. 1. P. 343-366. doi
- Article Leonid Rybnikov, Mikhail Zavalin. Gelfand–Tsetlin Degeneration of Shift of Argument Subalgebras in Types B, C and D // Arnold Mathematical Journal. 2019. Vol. 5. No. 2-3. P. 285-313. doi
- Article Leonid Rybnikov. Cactus Group and Monodromy of Bethe Vectors // International Mathematics Research Notices. 2018. No. 1. P. 202-235. doi
- Article Michael Finkelberg, Kamnitzer J., Pham K., Leonid Rybnikov, Weekes A. Comultiplication for shifted Yangians and quantum open Toda lattice // Advances in Mathematics. 2018. Vol. 327. P. 349-389. doi
- Article Aleksei Ilin, Rybnikov L. G. Degeneration of Bethe subalgebras in the Yangian of $gl_n$ // Letters in Mathematical Physics. 2018. Vol. 108. No. 4. P. 1083-1107. doi
- Article Michael Finkelberg, Alexander Kuznetsov, Leonid Rybnikov, Dobrovolska G. Towards a cluster structure on trigonometric zastava // Selecta Mathematica, New Series. 2018. Vol. 24. No. 1. P. 187-225. doi
- Preprint Aleksei Ilin, Leonid Rybnikov. Degeneration of Bethe subalgebras in the Yangian of $gl_n$ / Cornell University. Series arXiv:1703.04147 "Series math "arxiv.org"". 2017.
- Article Glutsyuk A., Rybnikov L. G. On families of differential equations on two-torus with all phase-lock areas // Nonlinearity. 2017. Vol. 30. No. 1. P. 61-72. doi
- Preprint Rybnikov L. G. A proof of the Gaudin Bethe Ansatz conjecture. / Cornell University. Series QA "arxiv.org". 2016.
- Preprint Rybnikov L. G. Cactus group and monodromy of Bethe vectors / Cornell University. Series QA "arXiv math". 2016. No. 1409.0131.
- Preprint Rybnikov L. G., Finkelberg M. V., Kamnitzer J., Weekes A., Pham K. Comultiplication for shifted Yangians and quantum open Toda lattice / Cornell University. Series arXiv:1608.03331 "Series math "arxiv.org"". 2016.
- Article Michael Finkelberg, Leonid Rybnikov, Alexander Kuznetsov, Dobrovolska G. Towards a cluster structure on trigonometric zastava // Selecta Mathematica, New Series. 2016. P. 1-39. doi (in press)
- Article Loktev S., Rybnikov L. G., Etingof P. Boris Feigin // Moscow Mathematical Journal. 2015. Vol. 15. No. 2. P. 185-186.
- Preprint Glutsyuk A., Rybnikov L. G. On families of differential equations on two-torus with all Arnold tongues / Cornell University. Series math "arxiv.org". 2015. No. 15.
- Preprint Finkelberg M. V., Kuznetsov A., Rybnikov L. G., Dobrovolska G. Towards a cluster structure on trigonometric zastava / Cornell University. Series math "arxiv.org". 2015.
- Article Finkelberg M. V., Rybnikov L. G. Quantization of Drinfeld Zastava in type A // Journal of the European Mathematical Society. 2014. Vol. 16. No. 2. P. 235-271.
- Article Finkelberg M. V., Rybnikov L. G. Quantization of Drinfeld Zastava in type С // Algebraic Geometry. 2014. Vol. 1. No. 2. P. 166-180.
- Preprint Michael Finkelberg, Leonid Rybnikov. Quantization of Drinfeld Zastava in type C / Cornell University. Series math "arxiv.org". 2013.
- Article Finkelberg M. V., Rybnikov L. G. Quantization of Drinfeld Zastavain type A // Journal of the European Mathematical Society. 2012 (in press)
- Article Braverman A., Rybnikov L. G., Feigin B. L., Finkelberg M. V. A finite analog of the AGT relation I: finite W-algebras and quasimaps' spaces // Communications in Mathematical Physics. 2011. Vol. 308. No. 2. P. 457-478. doi
- Article Feigin B. L., Finkelberg M. V., Rybnikov L. G., Frenkel I. Gelfand-Tsetlin algebras and cohomology rings of Laumon spaces // Selecta Mathematica, New Series. 2011. Vol. 17. No. 2. P. 337-361. doi
- Article Feigin B. L., Finkelberg M. V., Rybnikov L. G., Negut A. Yangians and cohomology rings of Laumon spaces // Selecta Mathematica, New Series. 2011. Vol. 17. No. 3. P. 573-607. doi
- Article Rybnikov L. G., Chervov A., Falqui G. Limits of Gaudin algebras, quantization of bending flows, Jucys-Murphy elements and Gelfand-Tsetlin bases // Letters in Mathematical Physics. 2010. Vol. 91. No. 1. P. 129-150.
- Article Feigin B. L., Rybnikov L. G., Frenkel E. Opers with irregular singularity and spectra of the shift of argument subalgebra // Duke Mathematical Journal. 2010. Vol. 155. No. 2. P. 337-363.
- Article Rybnikov L. G., Chervov A., Falqui G. Limits of Gaudin systems: classical and quantum cases // Symmetry, Integrability and Geometry: Methods and Applications (SIGMA). 2009. Vol. 5. No. 29. P. 17.
- Article Frenkel E., Feigin B. L., Rybnikov L. G. On the endomorphisms of Weyl modules over affine Kac-Moody algebras at the critical level // Letters in Mathematical Physics. 2009. Vol. 88. No. 1-3. P. 163-173.
- Article Loktev S., Rybnikov L. G., Oblomkov A., Etingof P. A Lie-theoretic construction of spherical symplectic reflection algebras // Transformation Groups. 2008. Vol. 13. No. 3. P. 541-556.
- Article Rybnikov L. G. Uniqueness of higher Gaudin hamiltonians // Reports on Mathematical Physics. 2008. Vol. 61. No. 2. P. 247-252.
- Article Рыбников Л. Г. Метод сдвига инвариантов и модель Годена // Функциональный анализ и его приложения. 2006. Т. 40. № 3. С. 30-43.
- Article Рыбников Л. Г. Централизаторы некоторых квадратичных элементов в алгебрах Пуассона--Ли и метод сдвига инвариантов // Успехи математических наук. 2005. Т. 60. № 2(362). С. 173-174.
Conferences
- 2021Зимняя студенческая школа по математике и теоретической информатике (он-лайн). Presentation: Соответствие Робинсона-Шенстеда-Кнута в алгебре и геометрии
- Семинар по математической физике НИУ ВШЭ и Центра перспективных исследований Сколтеха (Москва). Presentation: Геометрия и комбинаторика алгебр Годена
- Летняя математическая школа «Алгебра и геометрия» (Ярославль). Presentation: Анзац Бете и кристаллы
- Семинар отдела алгебры и отдела алгебраической геометрии (семинар И. Р. Шафаревича) (Москва). Presentation: Кристаллы Кашивары и компактификации Делиня-Мамфорда
- 2020Representation Theory and Mathematical Physics Seminar (Беркли). Presentation: Bethe subalgebras in Yangians and the wonderful compactification
- 2015EPFL (Лозанна). Presentation: Монодромическая реализация коммуторов в категории кристаллов.
Golden HSE -2014 Award Winners Announced
On December 1, HSE celebrated another anniversary and, according to tradition, awarded the best teachers, researchers, administrative staff, and students with the Golden HSE prize.