Sergei Alexandrov

Directeur de recherche, CNRS
127
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-00682454 v1
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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-05060199 v1
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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-04344232 v1

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-03948966 v1
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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-04694631 v1
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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-04794941 v2
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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-04236880 v1
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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-03635855 v1
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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-02878251 v1
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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-03635867 v1
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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-03271316 v1
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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-02930775 v1
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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-03319142 v1
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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-03206137 v1
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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-02571374 v1
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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-03197323 v1
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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-03394606 v1
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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-02313772 v1
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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-01852413 v2
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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-01781942 v1
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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-02114493 v1
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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-01627837 v1

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-01334181 v1
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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-01627846 v1
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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-01318414 v1
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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-01348152 v1

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-01229341 v1
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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-01157692 v1

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-01160240 v1
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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-01099930 v1
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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-01157624 v1
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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-00958486 v1
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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-00992829 v1
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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-01006533 v1

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-00862720 v1
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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-00741850 v1
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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-00766632 v1
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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-00715152 v1

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-00834815 v1

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-00642280 v1

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-00653555 v1
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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-00705850 v1
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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-00663227 v1

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-00673769 v1

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-00531360 v1
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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-00630135 v1

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-00520869 v1

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-00518356 v1
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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-00506428 v1

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-00328291 v1

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-00468456 v1

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-00442066 v1

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-00362465 v1

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-00325481 v1

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-00398002 v1

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-00349154 v1

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-00292412 v1

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-00264039 v1

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-00264038 v1

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 in2p3-00134331 v1

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 in2p3-00134335 v1

Spin foam model from canonical quantization

Sergey Alexandrov
Physical Review D, 2007, 77, pp.024009. ⟨10.1103/PhysRevD.77.024009⟩
Article dans une revue in2p3-00152760 v1

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 in2p3-00134337 v1

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-00009307 v1

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-00009305 v1

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-00008362 v1

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-00008363 v1

Thermodynamics of 2D string theory

Sergey Alexandrov , Vladimir A. Kazakov
Journal of High Energy Physics, 2003, 0301, pp.078
Article dans une revue hal-00008364 v1

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-00008367 v1

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-00008365 v1

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-00008361 v1

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-00008366 v1

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-04912672 v1

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-05136598 v1

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-05205537 v1

Modular bootstrap for Calabi-Yau threefolds

Sergey Alexandrov
Number Theory in String and Field Theory, Sep 2025, Taipei, Taiwan
Communication dans un congrès hal-05246278 v1

BPS counting in string compactifications

Sergey Alexandrov
Fields & Strings 2024, Feb 2024, Moscow, Russia
Communication dans un congrès hal-04821289 v1

Mock modularity of BPS black holes

Sergey Alexandrov
Strings Online Lisbon Workshop, Oct 2024, Lisbon (Online Event), Portugal
Communication dans un congrès hal-04821396 v1

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-04821331 v1

Mock modularity of Calabi-Yau threefolds

Sergey Alexandrov
Workshop on Number Theory and Physics, Jun 2024, Trieste, Italy
Communication dans un congrès hal-04821353 v1

Modular Bootstrap for BPS Black Holes

Sergey Alexandrov
BPS Dynamics and Quantum Mathematics, May 2024, Florence, Italy
Communication dans un congrès hal-04821338 v1

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-04821368 v1

Mock modularity of Calabi-Yau threefolds

Sergey Alexandrov
The 2024 International Congress of Basic Science, Jul 2024, Beijing, China
Communication dans un congrès hal-04821383 v1

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-04821239 v1

D-instantons in Calabi-Yau compactifications

Sergey Alexandrov
String Field Theory 2022, Sep 2023, Prague, Czech Republic
Communication dans un congrès hal-03811120 v1

Supersymmetric black holes and modularity

Sergey Alexandrov
Théorie, Univers et Gravitation, Oct 2022, Montpellier, France
Communication dans un congrès hal-03811118 v1

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-03811147 v1

D-instantons and superpotential

Sergey Alexandrov
Strings and Geometry 2022, May 2022, Utrecht, Netherlands
Communication dans un congrès hal-03664125 v1

Black holes and modularity

Sergey Alexandrov
2nd Marseille-Lyon LQG meeting, Nov 2022, Marseille, France
Communication dans un congrès hal-04821207 v1

D-instantons in string compactifications

Sergey Alexandrov
Eurostrings 2022, Apr 2022, Lyon, France
Communication dans un congrès hal-03664123 v1

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-03355857 v1

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-03372222 v1

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-02986300 v1

Twistors, black holes and modularity

Sergey Alexandrov
Twistors and Loops Meeting in Marseille, Sep 2019, Marseille, France
Communication dans un congrès hal-02285107 v1

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

Sergey Alexandrov
Moonshine, Sep 2018, Vienne, Austria
Communication dans un congrès hal-01875307 v1

BPS black holes, wall-crossing and modularity

Sergey Alexandrov
Fifteenth Marcel Grossmann Meeting - MG15, Jul 2018, Rome, Italy
Communication dans un congrès hal-01852407 v1

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-01443698 v1

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-01386647 v1

Compactifications of string theory

Sergey Alexandrov
2016 Undergraduate and Graduate Summer School, Sep 2016, Nesin mathematics Village, Turkey
Communication dans un congrès hal-02046929 v1

D-instantons, mock modular forms and BPS partition functions

Sergey Alexandrov
Number Theory and Physics, May 2016, Paris, France
Communication dans un congrès hal-01330956 v1

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-00808906 v1

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-01163853 v1

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-01160075 v1

Non-perturbative effects in string theory compactifications

Sergey Alexandrov
In Search of Fundamental Symmetries, Dec 2014, Saint-Petersburg, Russia
Communication dans un congrès hal-01101042 v1

First order gravity on the light front

Sergey Alexandrov
Frontiers of Fundamental Physics 14, Jul 2014, Marseille, France
Communication dans un congrès hal-01052742 v1

Calabi-Yau compactifications: results, relations and problems

Sergey Alexandrov
Strings, Matrices, Integrability, Aug 2014, Paris, France
Communication dans un congrès hal-01057398 v1

S-duality and fivebrane instantons

Sergey Alexandrov
International Symposium Arenshoop, Aug 2014, Berlin, Germany
Communication dans un congrès hal-01059619 v1

Index from Twistors

Sergey Alexandrov
Autumn Symposium on String/M-theory, Sep 2014, Seoul, South Korea
Communication dans un congrès hal-01071271 v1

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-00669542 v1

S-duality in twistor space

Sergey Alexandrov
3Quantum: Algebra Geometry Information, Jul 2012, Tallinn, Estonia
Communication dans un congrès hal-00742034 v1

Twistor Approach to String Compactifications

Sergey Alexandrov
Quantum Gravity in Paris, Mar 2012, Paris, France
Communication dans un congrès hal-00684524 v1

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-00626950 v1

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-00609343 v1

Critical overview of Loops and Foams

Sergey Alexandrov
Quantum Gravity: from UV to IR, Sep 2011, CERN, Switzerland
Communication dans un congrès hal-00626953 v1

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-00515368 v1

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-00543669 v1

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-00506437 v1

Thermodynamic Bethe Ansatz and String Moduli Space

Sergey Alexandrov
Liouville, Integrability and Branes (6), Sep 2010, Pohang, South Korea
Communication dans un congrès hal-00526407 v1

D-instantons and twistors

Sergey Alexandrov
Symposium on Theoretical and Mathematical Physics, Jul 2009, St. Petersburg, Russia
Communication dans un congrès hal-00412948 v1

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-00326622 v1

Loops and foams: kinematical identity

Sergey Alexandrov
Young Loops and Foams 08, Jul 2008, Waterloo, Canada
Communication dans un congrès hal-00326626 v1

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-00285448 v1