Sergei Alexandrov

Directeur de recherche, CNRS
129
Documents
Affiliation actuelle
  • Laboratoire Charles Coulomb (L2C)

Présentation

Professional experience

  • 2005-2016: Chargé de recherche at L2C, Montpellier
  • 2003–2005: Postdoc at Spinoza Institute, Utrecht

Education

  • 2000–2003: PhD degree in theoretical physics (with high honors), Service de Physique Théorique, C.E.A. - Saclay, Title: “Matrix Quantum Mechanics and 2D string theory in non-trivial backgrounds”, Advisors: V. Kazakov and I. Kostov
  • 1997–1999: Master’s degree (with high honors), St.Petersburg State University, Physical faculty, Department of Theoretical Physics, Title: “Path integral quantization of Ashtekar gravity”, Advisor: D. Vassilevich
  • 1993–1997: Bachelor’s Degree (with high honors), St.Petersburg State University, Physical faculty, Department of Theoretical Physics, Title: “Heat kernel for nonminimal operators on a Kahler manifold”, Advisor: D. Vassilevich

Habilitation thesis

  • 2012: Twistor approach to string compactifications

Thesis supervised

  • 2022-2025: Khalil Bendriss — Montpellier University, PhD thesis “Black holes in string theory compactifiations”
  • 2012-2015: Sibasish Banerjee — Montpellier University, PhD thesis “Nonperturbative effects in gauge and string theories”
  • 2011: Hans Dufour — Montpellier University, stage M2 “Bethe Ansatz in gauge and string theories with N = 2 supersymmetry”
  • 2008-2009: Stefano Bianco — University of Piza, Master thesis “Hamiltonian analysis of topological gravity”
  • 2004-2005: Arnaud Koetsier — Utrecht University, Master thesis “Matrix models of 2-D string theory in non-trivial backgrounds”

Administrative responsibilities

  • 2014-2023: The leader of the research group “Théorie des champs et Physique Mathématique” in L2C

Complete list of my publications can be founnd here https://inspirehep.net/literature?sort=mostrecent&size=250&page=1&q=a%20S.Y.Alexandrov.1&ui-citation-summary=true

Domaines de recherche

Physique des Hautes Energies - Théorie [hep-th]

Publications

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Publications

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Twistor Approach to String Compactifications

Sergey Alexandrov

High Energy Physics - Theory [hep-th]. Université montpellier II, 2012

HDR tel-00682454v1

Multi-instantons in 2d string theory

Sergei Alexandrov , Rishabh Kaushik

JHEP, 2026, 03, pp.052. ⟨10.1007/JHEP03(2026)052⟩

Article dans une revue hal-05265247v1
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Mock modularity at work, or black holes in a forest

Sergei Alexandrov

Entropy, 2025, 27 (7), pp.719. ⟨10.3390/e27070719⟩

Article dans une revue hal-05060199v1

Quantum TBA for refined BPS indices

Sergei Alexandrov , Khalil Bendriss

Letters in Mathematical Physics, 2025, 115 (6), pp.139. ⟨10.48550/arXiv.2507.16908⟩

Article dans une revue hal-05184942v1

Quantum geometry, stability and modularity

Sergei Alexandrov , Soheyla Feyzbakhsh , Albrecht Klemm , Boris Pioline , Thorsten Schimannek

Communications in Number Theory and Physics, 2024, 18, pp.49-151. ⟨10.4310/CNTP.2024.v18.n1.a2⟩

Article dans une revue hal-03948966v1
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Resurgence of refined topological strings and dual partition functions

Sergey Alexandrov , Marcos Marino , Boris Pioline

SIGMA, 2024, 20, pp.073. ⟨10.3842/SIGMA.2024.073⟩

Article dans une revue hal-04344232v1
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Instantons in sine-Liouville theory

Sergei Alexandrov , Raghu Mahajan , Ashoke Sen

Journal of High Energy Physics, 2024, 2024 (1), pp.141. ⟨10.1007/JHEP01(2024)141⟩

Article dans une revue hal-04794941v2
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Modular anomaly of BPS black holes

Sergey Alexandrov , Khalil Bendriss

Journal of High Energy Physics, 2024, 12, pp.180. ⟨10.1007/JHEP12(2024)180⟩

Article dans une revue hal-04694631v1
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Hypermultiplet metric and NS5-instantons

Sergey Alexandrov , Khalil Bendriss

Journal of High Energy Physics, 2024, 01, pp.140. ⟨10.1007/JHEP01(2024)140⟩

Article dans une revue hal-04236880v1
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Modular bootstrap for D4-D2-D0 indices on compact Calabi-Yau threefolds

Sergei Alexandrov , Nava Gaddam , Jan Manschot , Boris Pioline

Advances in Theoretical and Mathematical Physics, 2023, 27 (3), pp.683-744. ⟨10.4310/ATMP.2023.v27.n3.a2⟩

Article dans une revue hal-03635855v1
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Rank $N$ Vafa-Witten invariants, modularity and blow-up

Sergey Alexandrov

Advances in Theoretical and Mathematical Physics, 2022, 25 (2), pp.275-308. ⟨10.4310/ATMP.2021.v25.n2.a1⟩

Article dans une revue hal-02878251v1
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D-instanton Induced Superpotential

Sergey Alexandrov , Atakan Hilmi Fırat , Manki Kim , Ashoke Sen , Bogdan Stefański

Journal of High Energy Physics, 2022, 2022, pp.90. ⟨10.1007/JHEP07(2022)090⟩

Article dans une revue hal-03635867v1
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Conformal TBA for resolved conifolds

Sergey Alexandrov , Boris Pioline

Annales de l'Institut Henri Poincaré (A). Physique Theorique, 2022, 23, pp.1909-1949. ⟨10.1007/s00023-021-01129-x⟩

Article dans une revue hal-03271316v1
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Refinement and modularity of immortal dyons

Sergey Alexandrov , Suresh Nampuri

Journal of High Energy Physics, 2021, 2021, pp.147. ⟨10.1007/JHEP01(2021)147⟩

Article dans une revue hal-02930775v1
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Vafa-Witten invariants from modular anomaly

Sergey Alexandrov

Communications in Number Theory and Physics, 2021, 15 (1), pp.149-219. ⟨10.4310/CNTP.2021.v15.n1.a4⟩

Article dans une revue hal-02571374v1
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Heavenly metrics, BPS indices and twistors

Sergey Alexandrov , Boris Pioline

Letters in Mathematical Physics, 2021, 111, pp.116. ⟨10.1007/s11005-021-01455-5⟩

Article dans une revue hal-03206137v1
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D-instantons in Type IIA string theory on Calabi-Yau threefolds

Sergey Alexandrov , Ashoke Sen , Bogdan Stefański

Journal of High Energy Physics, 2021, 2021, pp.18. ⟨10.1007/JHEP11(2021)018⟩

Article dans une revue hal-03319142v1
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Canonical structure of minimal varying $\Lambda$ theories

Sergey Alexandrov , Simone Speziale , Tom Zlosnik

Classical and Quantum Gravity, 2021, 38 (17), pp.175011. ⟨10.1088/1361-6382/ac1852⟩

Article dans une revue hal-03197323v1
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Euclidean D-branes in Type IIB string theory on Calabi-Yau threefolds

Sergey Alexandrov , Ashoke Sen , Bogdan Stefański

Journal of High Energy Physics, 2021, 2021 (12), pp.044. ⟨10.1007/JHEP12(2021)044⟩

Article dans une revue hal-03394606v1
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S-duality and refined BPS indices

Sergey Alexandrov , Jan Manschot , Boris Pioline

Communications in Mathematical Physics, 2020, 380, pp.755-810. ⟨10.1007/s00220-020-03854-6⟩

Article dans une revue hal-02313772v1
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Black holes and higher depth mock modular forms

Sergey Alexandrov , Boris Pioline

Communications in Mathematical Physics, 2019, 374, pp.549-625. ⟨10.1007/s00220-019-03609-y⟩

Article dans une revue hal-01852413v2
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Attractor flow trees, BPS indices and quivers

Sergey Alexandrov , Boris Pioline

Adv.Theor.Math.Phys., 2019, 23 (3), pp.627-699. ⟨10.4310/ATMP.2019.v23.n3.a2⟩

Article dans une revue hal-01781942v1
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Bi-gravity with a single graviton

Sergey Alexandrov , Simone Speziale

Journal of High Energy Physics, 2019, 8, pp.070. ⟨10.1007/JHEP08(2019)070⟩

Article dans une revue hal-02114493v1
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Rigid limit for hypermultiplets and five-dimensional gauge theories

Sergey Alexandrov , Sibasish Banerjee , Pietro Longhi

Journal of High Energy Physics, 2018, 1801 (1), pp.156. ⟨10.1007/JHEP01(2018)156⟩

Article dans une revue hal-01627837v1

Indefinite theta series and generalized error functions

Sergey Alexandrov , Sibasish Banerjee , Jan Manschot , Boris Pioline

Selecta Mathematica (New Series), 2018, 24 (5), pp.3927-3972. ⟨10.1007/s00029-018-0444-9⟩

Article dans une revue hal-01334181v1
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Multiple D3-Instantons and Mock Modular Forms II

Sergey Alexandrov , Sibasish Banerjee , Jan Manschot , Boris Pioline

Communications in Mathematical Physics, 2018, 359 (1), pp.297-346. ⟨10.1007/s00220-018-3114-z⟩

Article dans une revue hal-01627846v1
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Multiple D3-instantons and mock modular forms I

Sergey Alexandrov , Sibasish Banerjee , Jan Manschot , Boris Pioline

Communications in Mathematical Physics, 2017, 353 (1), pp.379-411. ⟨10.1007/s00220⟩

Article dans une revue cea-01318414v1
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Non-perturbative scalar potential inspired by type IIA strings on rigid CY

Sergey Alexandrov , Sergei V. Ketov , Yuki Wakimoto

Journal of High Energy Physics, 2016, pp.2016: 66. ⟨10.1007/JHEP11(2016)066⟩

Article dans une revue hal-01348152v1

Theta series, wall-crossing and quantum dilogarithm identities

Sergey Alexandrov , Boris Pioline

Letters in Mathematical Physics, 2016, 106 (8), pp.1037-1066. ⟨10.1007/s11005-016-0857-3⟩

Article dans une revue hal-01229341v1
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$R^3$ index for four-dimensional $N=2$ field theories

Sergey Alexandrov , Gregory W. Moore , Andrew Neitzke , Boris Pioline

Physical Review Letters, 2015, 114 (12), pp.121601. ⟨10.1103/PhysRevLett.114.121601⟩

Article dans une revue hal-01157692v1
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Hypermultiplet metric and D-instantons

Sergey Alexandrov , Sibasish Banerjee

Journal of High Energy Physics, 2015, 2, pp.176. ⟨10.1007/JHEP02(2015)176⟩

Article dans une revue hal-01099930v1

On Partially Massless Theory in 3 Dimensions

Sergey Alexandrov , Cedric Deffayet

Journal of Cosmology and Astroparticle Physics, 2015, 1503 (03), pp.043. ⟨10.1088/1475-7516/2015/03/043⟩

Article dans une revue hal-01160240v1
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First order gravity on the light front

Sergey Alexandrov , Simone Speziale

Physical Review D, 2015, 91 (6), pp.064043. ⟨10.1103/PhysRevD.91.064043⟩

Article dans une revue hal-01157624v1
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Fivebrane instantons in Calabi-Yau compactifications

Sergey Alexandrov , Sibasish Banerjee

Physical Review D, 2014, 90, pp.041902(R). ⟨10.1103/PhysRevD.90.041902⟩

Article dans une revue hal-00958486v1
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Dualities and fivebrane instantons

Sergey Alexandrov , Sibasish Banerjee

Journal of High Energy Physics, 2014, 2014 (11), pp.040. ⟨10.1007/jhep11(2014)040⟩

Article dans une revue hal-00992829v1

Canonical structure of Tetrad Bimetric Gravity

Sergey Alexandrov

General Relativity and Gravitation, 2014, 46, pp.1639. ⟨10.1007/s10714-013-1639-1⟩

Article dans une revue hal-00862720v1
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N=2 Heterotic-Type II duality and bundle moduli

Sergey Alexandrov , Jan Louis , Boris Pioline , Roberto Valandro

Journal of High Energy Physics, 2014, 08, pp.092. ⟨10.1007/JHEP08(2014)092⟩

Article dans une revue hal-01006533v1
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Heterotic-type II duality in twistor space

Sergey Alexandrov , Boris Pioline

Journal of High Energy Physics, 2013, pp.85. ⟨10.1007/JHEP03(2013)085⟩

Article dans une revue hal-00741850v1
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Chiral description of massive gravity

Sergey Alexandrov , Kirill Krasnov , Simone Speziale

Journal of High Energy Physics, 2013, 2013 (6), pp.068. ⟨10.1007/JHEP06(2013)068⟩

Article dans une revue hal-00766632v1
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D3-instantons, Mock Theta Series and Twistors

Sergey Alexandrov , Jan Manschot , Boris Pioline

Journal of High Energy Physics, 2013, pp.002. ⟨10.1007/JHEP04(2013)002⟩

Article dans une revue hal-00715152v1

Modularity, Quaternion-Kahler spaces and Mirror Symmetry

Sergey Alexandrov , Sibasish Banerjee

Journal of Mathematical Physics, 2013, 54, pp.102301. ⟨10.1063/1.4826603⟩

Article dans une revue hal-00834815v1

Spin Foams and Canonical Quantization

Sergey Alexandrov , M. Geiller , K. Noui

Symmetry, Integrability and Geometry : Methods and Applications, 2012, 08, pp.055. ⟨10.3842/SIGMA.2012.055⟩

Article dans une revue hal-00653555v1
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S-duality in Twistor Space

Sergey Alexandrov , Boris Pioline

Journal of High Energy Physics, 2012, pp.112. ⟨10.1007/JHEP08(2012)112⟩

Article dans une revue hal-00705850v1

Twistor Approach to String Compactifications: a Review

Sergey Alexandrov

Physics Reports, 2012, 522 (1), pp.1-57. ⟨10.1016/j.physrep.2012.09.005⟩

Article dans une revue hal-00642280v1
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c-map as c=1 string

Sergey Alexandrov

Nuclear Physics B, 2012, 863 (1), pp.329-346. ⟨10.1016/j.nuclphysb.2012.05.018⟩

Article dans une revue hal-00663227v1

Degenerate Plebanski Sector and its Spin Foam Quantization

Sergey Alexandrov

Classical and Quantum Gravity, 2012, 29 (14), pp.145018. ⟨10.1088/0264-9381/29/14/145018⟩

Article dans une revue hal-00673769v1

Fivebrane instantons, topological wave functions and hypermultiplet moduli spaces

Sergey Alexandrov , Daniel Persson , Boris Pioline

Journal of High Energy Physics, 2011, 2011 (3), pp.111. ⟨10.1007/jhep03(2011)111⟩

Article dans une revue hal-00531360v1

Critical Overview of Loops and Foams

Sergey Alexandrov , Philippe Roche

Physics Reports, 2011, 506 (3-4), pp.41-86. ⟨10.1016/j.physrep.2011.05.002⟩

Article dans une revue hal-00520869v1
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Wall-crossing, Rogers dilogarithm, and the QK/HK correspondence

Sergey Alexandrov , Daniel Persson , Boris Pioline

Journal of High Energy Physics, 2011, 2011 (12), pp.27. ⟨10.1007/JHEP12(2011)027⟩

Article dans une revue hal-00630135v1

On the topology of the hypermultiplet moduli space in type II/CY string vacua

Sergey Alexandrov , Daniel Persson , Boris Pioline

Physical Review D, 2011, 83, pp.026001. ⟨10.1103/PhysRevD.83.026001⟩

Article dans une revue hal-00518356v1
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The new vertices and canonical quantization

Sergey Alexandrov

Physical Review D, 2010, 82 (2), pp.024024. ⟨10.1103/PhysRevD.82.024024⟩

Article dans une revue hal-00506428v1

TBA for non-perturbative moduli spaces

Sergey Alexandrov , Philippe Roche

Journal of High Energy Physics, 2010, pp.066. ⟨10.1007/JHEP06(2010)066⟩

Article dans une revue hal-00468456v1

Linear perturbations of quaternionic metrics

Sergey Alexandrov , Boris Pioline , Frank Saueressig , Stefan Vandoren

Communications in Mathematical Physics, 2010, 296 (2), pp.353-403. ⟨10.1007/s00220-010-1022-y⟩

Article dans une revue hal-00328291v1

Self-dual Einstein Spaces, Heavenly Metrics and Twistors

Sergey Alexandrov , Boris Pioline , Stefan Vandoren

Journal of Mathematical Physics, 2010, 51, pp.073510. ⟨10.1063/1.3430574⟩

Article dans une revue hal-00442066v1

D-instantons and twistors

Sergey Alexandrov , Boris Pioline , Frank Saueressig , Stefan Vandoren

Journal of High Energy Physics, 2009, 03, pp.044. ⟨10.1088/1126-6708/2009/03/044⟩

Article dans une revue hal-00349154v1

D-instantons and twistors: some exact results

Sergey Alexandrov

Journal of Physics A: Mathematical and Theoretical, 2009, 42, pp.335402. ⟨10.1088/1751-8113/42/33/335402⟩

Article dans une revue hal-00362465v1

Quantum mirror symmetry and twistors

Sergey Alexandrov , Frank Saueressig

Journal of High Energy Physics, 2009, 09, pp.108. ⟨10.1088/1126-6708/2009/09/108⟩

Article dans une revue hal-00398002v1

Hamiltonian Analysis of non-chiral Plebanski Theory and its Generalizations

Sergey Alexandrov , Kirill Krasnov

Classical and Quantum Gravity, 2009, 26, pp.055005. ⟨10.1088/0264-9381/26/5/055005⟩

Article dans une revue hal-00325481v1

Linear perturbations of Hyperkahler metrics

Sergey Alexandrov , Boris Pioline , Frank Saueressig , Stefan Vandoren

Letters in Mathematical Physics, 2009, 87 (3), pp.225. ⟨10.1007/s11005-009-0305-8⟩

Article dans une revue hal-00292412v1

Immirzi parameter and fermions with non-minimal coupling

Sergey Alexandrov

Classical and Quantum Gravity, 2008, 25 (14), pp.145012. ⟨10.1088/0264-9381/25/14/145012⟩

Article dans une revue hal-00264039v1

Simplicity and closure constraints in spin foam models of gravity

Sergey Alexandrov

Physical Review D, 2008, 78, pp.044033. ⟨10.1103/PhysRevD.78.044033⟩

Article dans une revue hal-00264038v1

Plebanski Theory and Covariant Canonical Formulation

S. Alexandrov , E. Buffenoir , P. Roche

Classical and Quantum Gravity, 2007, 24, pp.2809-2824. ⟨10.1088/0264-9381/24/11/003⟩

Article dans une revue in2p3-00134335v1

Quantum covariant c-map

S. Alexandrov

Journal of High Energy Physics, 2007, 0705, pp.094. ⟨10.1088/1126-6708/2007/05/094⟩

Article dans une revue in2p3-00134331v1

Spin foam model from canonical quantization

Sergey Alexandrov

Physical Review D, 2007, 77, pp.024009. ⟨10.1103/PhysRevD.77.024009⟩

Article dans une revue in2p3-00152760v1

Membrane and fivebrane instantons from quaternionic geometry

S. Alexandrov , F. Saueressig , S. Vandoren

Journal of High Energy Physics, 2006, 0609, pp.040. ⟨10.1088/1126-6708/2006/09/040⟩

Article dans une revue in2p3-00134337v1

Timelike surfaces in Lorentz covariant loop gravity and spin foam models

Sergey Alexandrov , Zoltan Kadar

Classical and Quantum Gravity, 2005, 22, pp.3491-3510

Article dans une revue hal-00009307v1

Time-dependent backgrounds of 2D string theory: Non-perturbative effects

Sergey Alexandrov , Ivan K. Kostov

Journal of High Energy Physics, 2005, 0502, pp.023

Article dans une revue hal-00009305v1

Non-Perturbative Effects in Matrix Models and D-branes

Sergey Alexandrov , Vladimir A. Kazakov , David Kutasov

Journal of High Energy Physics, 2003, 0309, pp.057

Article dans une revue hal-00008362v1

2D String Theory as Normal Matrix Model

Sergey Alexandrov , Vladimir A. Kazakov , Ivan K. Kostov

Nuclear Physics B, 2003, 667, pp.90-110

Article dans une revue hal-00008363v1

Thermodynamics of 2D string theory

Sergey Alexandrov , Vladimir A. Kazakov

Journal of High Energy Physics, 2003, 0301, pp.078

Article dans une revue hal-00008364v1

SU(2) Loop Quantum Gravity seen from Covariant Theory

Sergey Alexandrov , Etera R. Livine

Physical Review D, 2003, 67, pp.044009. ⟨10.1103/PhysRevD.67.044009⟩

Article dans une revue hal-00008367v1

On choice of connection in loop quantum gravity

Sergey Alexandrov

Physical Review D, 2002, 65, pp.024011. ⟨10.1103/PhysRevD.65.024011⟩

Article dans une revue hal-00008365v1

Time-dependent backgrounds of 2D string theory

Sergey Alexandrov , Vladimir A. Kazakov , Ivan K. Kostov

Nuclear Physics B, 2002, 640, pp.119-144

Article dans une revue hal-00008361v1

Hilbert space structure of covariant loop quantum gravity

Sergey Alexandrov

Physical Review D, 2002, 66, pp.024028. ⟨10.1103/PhysRevD.66.024028⟩

Article dans une revue hal-00008366v1

Multi-instantons in 2D string theory and median resummation

Sergey Alexandrov

Resurgence in Mathematics and Physics, Jun 2025, Odense, Denmark

Communication dans un congrès hal-05136598v1

Modular bootstrap for BPS black holes

Sergey Alexandrov

Strings Online Lisbon Workshop 2025, Oct 2025, Lisbon (Online Event), Portugal

Communication dans un congrès hal-05340685v1

Mock modularity of Calabi-Yau threefolds

Sergey Alexandrov

Algebra and Quantum Geometry of BPS Quivers, Jan 2025, Les Diablerets, Switzerland

Communication dans un congrès hal-04912672v1

Modular bootstrap for BPS black holes

Sergey Alexandrov

XIII International Symposium on Quantum Theory and Symmetries, Jul 2025, Yerevan, Armenia

Communication dans un congrès hal-05205537v1

Modular bootstrap for Calabi-Yau threefolds

Sergey Alexandrov

Number Theory in String and Field Theory, Sep 2025, Taipei, Taiwan

Communication dans un congrès hal-05246278v1

Mock modularity of Calabi-Yau threefolds

Sergey Alexandrov

Workshop on Number Theory and Physics, Jun 2024, Trieste, Italy

Communication dans un congrès hal-04821353v1

BPS counting in string compactifications

Sergey Alexandrov

Fields & Strings 2024, Feb 2024, Moscow, Russia

Communication dans un congrès hal-04821289v1

Mock modularity of BPS black holes

Sergey Alexandrov

Strings Online Lisbon Workshop, Oct 2024, Lisbon (Online Event), Portugal

Communication dans un congrès hal-04821396v1

Resurgence and modularity in Calabi-Yau compactifications

Sergey Alexandrov

Resurgence and Modularity in QFT and String Theory, Apr 2024, Florence, Italy

Communication dans un congrès hal-04821331v1

Modular Bootstrap for BPS Black Holes

Sergey Alexandrov

BPS Dynamics and Quantum Mathematics, May 2024, Florence, Italy

Communication dans un congrès hal-04821338v1

S-duality in twistor space

Sergey Alexandrov

Twistors in Geometry & Physics, Isaac Newton Institute for Mathematical Sciences, Sep 2024, Cambridge, United Kingdom

Communication dans un congrès hal-04821368v1

Mock modularity of Calabi-Yau threefolds

Sergey Alexandrov

The 2024 International Congress of Basic Science, Jul 2024, Beijing, China

Communication dans un congrès hal-04821383v1

Modular bootstrap for compact Calabi-Yau threefolds

Sergey Alexandrov

Number theory, machine learning and quantum black holes, Oct 2023, Cambridge (GB), United Kingdom

Communication dans un congrès hal-04821239v1

D-instantons in Calabi-Yau compactifications

Sergey Alexandrov

String Field Theory 2022, Sep 2023, Prague, Czech Republic

Communication dans un congrès hal-03811120v1

Supersymmetric black holes and modularity

Sergey Alexandrov

Théorie, Univers et Gravitation, Oct 2022, Montpellier, France

Communication dans un congrès hal-03811118v1

Joyce structures, twistors and topological strings

Sergey Alexandrov

BPS states, mirror symmetry, and exact WKB II, Sep 2022, Sheffield, United Kingdom

Communication dans un congrès hal-03811147v1

D-instantons and superpotential

Sergey Alexandrov

Strings and Geometry 2022, May 2022, Utrecht, Netherlands

Communication dans un congrès hal-03664125v1

Black holes and modularity

Sergey Alexandrov

2nd Marseille-Lyon LQG meeting, Nov 2022, Marseille, France

Communication dans un congrès hal-04821207v1

D-instantons in string compactifications

Sergey Alexandrov

Eurostrings 2022, Apr 2022, Lyon, France

Communication dans un congrès hal-03664123v1

D-instantons in Type II string theory on Calabi-Yau threefolds

Sergey Alexandrov

Workshop on Black Holes, BPS and Quantum Information, Sep 2021, Lisbonne (on line), Portugal

Communication dans un congrès hal-03355857v1

Emergence and background independence: lessons from another camp

Sergey Alexandrov

The Lyon-Marseille workshop on Quantum Gravity 2021, Oct 2021, Lyon, France

Communication dans un congrès hal-03372222v1

Mock modularity and refinement: from BPS black holes to Vafa-Witten theory

Sergey Alexandrov

Workshop on Black Holes: BPS, BMS and Integrability., Sep 2020, Lisbonne, Portugal

Communication dans un congrès hal-02986300v1

Twistors, black holes and modularity

Sergey Alexandrov

Twistors and Loops Meeting in Marseille, Sep 2019, Marseille, France

Communication dans un congrès hal-02285107v1

BPS black holes, wall-crossing and modularity

Sergey Alexandrov

Fifteenth Marcel Grossmann Meeting - MG15, Jul 2018, Rome, Italy

Communication dans un congrès hal-01852407v1

BPS black holes, wall-crossing and mock modularity of higher depth

Sergey Alexandrov

Moonshine, Sep 2018, Vienne, Austria

Communication dans un congrès hal-01875307v1

D-instantons, mock modular forms and BPS partition functions

Sergey Alexandrov

Workshop on Modular Forms and Black Holes, Jan 2017, Bhubaneswar, India

Communication dans un congrès hal-01443698v1

Instantons, wall-crossing and quantum dilogarithm identities

Sergey Alexandrov

2nd French Russian Conference Random Geometry and Physics, Oct 2016, Paris, France

Communication dans un congrès hal-01386647v1

Compactifications of string theory

Sergey Alexandrov

2016 Undergraduate and Graduate Summer School, Sep 2016, Nesin mathematics Village, Turkey

Communication dans un congrès hal-02046929v1

D-instantons, mock modular forms and BPS partition functions

Sergey Alexandrov

Number Theory and Physics, May 2016, Paris, France

Communication dans un congrès hal-01330956v1

Quantum Hypermultiplet Moduli Spaces in N=2 String Vacua: A Review

Sergey Alexandrov , Jan Manschot , Daniel Persson , Boris Pioline

STRING-MATH 2012, 2015, Bonn, Germany. pp.181-211, ⟨10.1090/pspum/090/01523⟩

Communication dans un congrès hal-00808906v1

Symmetries of string compactifcations and generalization of Freed-Witten anomaly

Sergey Alexandrov

2015 international AMS-EMS-SPM meeting, Jun 2015, Porto, Portugal

Communication dans un congrès hal-01163853v1

Wall-crossing in N=2 theories: Smooth Index and Generalized Theta Series

Sergey Alexandrov

Théorie des Cordes en France, May 2015, Paris, France

Communication dans un congrès hal-01160075v1

Non-perturbative effects in string theory compactifications

Sergey Alexandrov

In Search of Fundamental Symmetries, Dec 2014, Saint-Petersburg, Russia

Communication dans un congrès hal-01101042v1

Calabi-Yau compactifications: results, relations and problems

Sergey Alexandrov

Strings, Matrices, Integrability, Aug 2014, Paris, France

Communication dans un congrès hal-01057398v1

Index from Twistors

Sergey Alexandrov

Autumn Symposium on String/M-theory, Sep 2014, Seoul, South Korea

Communication dans un congrès hal-01071271v1

S-duality and fivebrane instantons

Sergey Alexandrov

International Symposium Arenshoop, Aug 2014, Berlin, Germany

Communication dans un congrès hal-01059619v1

First order gravity on the light front

Sergey Alexandrov

Frontiers of Fundamental Physics 14, Jul 2014, Marseille, France

Communication dans un congrès hal-01052742v1

c-map as c=1 string

Sergey Alexandrov

Common Trends in Gauge Fields, Strings and Integrable Systems, Feb 2012, Stockholm, Sweden

Communication dans un congrès hal-00669542v1

S-duality in twistor space

Sergey Alexandrov

3Quantum: Algebra Geometry Information, Jul 2012, Tallinn, Estonia

Communication dans un congrès hal-00742034v1

Twistor Approach to String Compactifications

Sergey Alexandrov

Quantum Gravity in Paris, Mar 2012, Paris, France

Communication dans un congrès hal-00684524v1

S-duality in twistor space and quantum mirror symmetry

Sergey Alexandrov

Double Affine Hecke algebras, the Langlands Program, Super YM theories and AdS-CFT correspondence, Jul 2011, Cargese, France

Communication dans un congrès hal-00609343v1

Spin foam approach and lessons from canonical quantization

Sergey Alexandrov

Journées de Physique Mathématique "Loop Quantum Gravity", Sep 2011, Lyon, France

Communication dans un congrès hal-00626950v1

Critical overview of Loops and Foams

Sergey Alexandrov

Quantum Gravity: from UV to IR, Sep 2011, CERN, Switzerland

Communication dans un congrès hal-00626953v1

Instanton effects in string theory, Twistors and Integrability

Sergey Alexandrov

From Sigma Models to Four-dimensional QFT, Nov 2010, Hamburg, Germany

Communication dans un congrès hal-00543669v1

D-instantons, Quantum mirror symmetry and Integrability

Sergey Alexandrov

Advances in string theory, wall-crossing, and quaternion-Kähler geometry, Aug 2010, Paris, France

Communication dans un congrès hal-00515368v1

D-instantons, Quantum mirror symmetry and Integrability

Sergey Alexandrov

Topological Strings, Modularity and non-perturbative Physics, Jul 2010, Vienna, Austria

Communication dans un congrès hal-00506437v1

Thermodynamic Bethe Ansatz and String Moduli Space

Sergey Alexandrov

Liouville, Integrability and Branes (6), Sep 2010, Pohang, South Korea

Communication dans un congrès hal-00526407v1

D-instantons and twistors

Sergey Alexandrov

Symposium on Theoretical and Mathematical Physics, Jul 2009, St. Petersburg, Russia

Communication dans un congrès hal-00412948v1

Covariant LQG and spin foam quantization

Sergey Alexandrov

QG2 2008 Quantum Geometry and Quantum Gravity Conference, Jun 2008, Nottingham, United Kingdom

Communication dans un congrès hal-00326622v1

Loops and foams: kinematical identity

Sergey Alexandrov

Young Loops and Foams 08, Jul 2008, Waterloo, Canada

Communication dans un congrès hal-00326626v1

Instantons from quaternionic geometry

Sergey Alexandrov

"Affine Hecke algebras, the Langlands program, conformal field theory and matrix models, Jul 2006, France

Communication dans un congrès hal-00285448v1