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Research

Publications: Dr Sanjaye Ramgoolam

Barnes G, Padellaro A, Ramgoolam S ( 2022 ) . Permutation symmetry in large N Matrix Quantum Mechanics and Partition Algebras .
Barnes G, Padellaro A, Ramgoolam S ( 2022 ) . Permutation invariant Gaussian two-matrix models . Journal of Physics A: Mathematical and Theoretical vol. 55 , ( 14 )
Ramgoolam S, Sharpe E ( 2022 ) . Combinatoric topological string theories and group theory algorithms .
Koch RDM, Ramgoolam S ( 2022 ) . Higher dimensional CFTs as 2D conformally-equivariant topological field theories .
Huber MA, Correia A, Ramgoolam S, Sadrzadeh M ( 2022 ) . Permutation invariant matrix statistics and computational language tasks .
Ramgoolam S, Sadrzadeh M, Sword L ( 2022 ) . Gaussianity and typicality in matrix distributional semantics . Annales de l'Institut Henri Poincare (D) Combinatorics, Physics and their Interactions vol. 9 , ( 1 ) 1 - 45 .
de Mello Koch R, He YH, Kemp G, Ramgoolam S ( 2022 ) . Integrality, duality and finiteness in combinatoric topological strings . Journal of High Energy Physics vol. 2022 , ( 1 )
Barnes G, Padellaro A, Ramgoolam S ( 2021 ) . Hidden symmetries and Large N factorisation for permutation invariant matrix observables .
Koch RDM, He Y-H, Kemp G, Ramgoolam S ( 2021 ) . Integrality, Duality and Finiteness in Combinatoric Topological Strings .
Geloun JB, Ramgoolam S ( 2021 ) . All-orders asymptotics of tensor model observables from symmetries of restricted partitions .
Barnes G, Padellaro A, Ramgoolam S ( 2021 ) . Permutation invariant Gaussian 2-matrix models .
Lewis-Brown C, Ramgoolam S ( 2021 ) . Quarter-BPS states, multi-symmetric functions and set partitions . The Journal of High Energy Physics vol. 2021 , ( 3 ) 153 - 153 .
Geloun JB, Ramgoolam S ( 2020 ) . Quantum mechanics of bipartite ribbon graphs: Integrality, Lattices and Kronecker coefficients .
Lewis-Brown C, Ramgoolam S ( 2020 ) . Quarter-BPS states, multi-symmetric functions and set partitions .
de Mello Koch R, Ramgoolam S ( 2020 ) . Perturbative 4D conformal field theories and representation theory of diagram algebras . Journal of High Energy Physics vol. 2020 , ( 5 )
Koch RDM, Ramgoolam S ( 2020 ) . Perturbative 4D conformal field theories and representation theory of diagram algebras .
Ramgoolam S, Wilson MC, Zahabi A ( 2020 ) . Quiver asymptotics: N=1 free chiral ring . Journal of Physics A: Mathematical and Theoretical vol. 53 , ( 10 )
Kemp G, Ramgoolam S ( 2020 ) . BPS states, conserved charges and centres of symmetric group algebras . Journal of High Energy Physics vol. 2020 , ( 1 )
Ramgoolam S, Sadrzadeh M, Sword L ( 2019 ) . Gaussianity and typicality in matrix distributional semantics .
Kemp G, Ramgoolam S ( 2019 ) . BPS states, conserved charges and centres of symmetric group algebras .
Ramgoolam S ( 2019 ) . Permutation invariant Gaussian matrix models . NUCLEAR PHYSICS B vol. 945 , Article UNSP 114682 ,
Kartsaklis D, Ramgoolam S, Sadrzadeh M ( 2019 ) . Linguistic matrix theory . Annales de l’Institut Henri Poincaré D vol. 6 , ( 3 ) 385 - 426 .
Ramgoolam S, Sedlak M ( 2019 ) . Quantum information processing and composite quantum fields . JOURNAL OF HIGH ENERGY PHYSICS ( 170 ) Article ARTN 170 , 1 - 17 .
Ramgoolam S, Wilson MC, Zahabi A ( 2018 ) . Quiver Asymptotics: $\mathcal{N}=1$ Free Chiral Ring .
Lewis-Brown C, Ramgoolam S ( 2018 ) . BPS operators in N=4 SO(N) super Yang-Mills theory: plethysms, dominoes and words . JOURNAL OF HIGH ENERGY PHYSICS ( 11 ) Article ARTN 035 ,
Ramgoolam S ( 2018 ) . Permutation Invariant Gaussian Matrix Models .
Ramgoolam S, Sedlák M ( 2018 ) . Quantum Information Processing and Composite Quantum Fields .
Koch RDM, Ramgoolam S ( 2018 ) . Free field primaries in general dimensions: counting and construction with rings and modules . JOURNAL OF HIGH ENERGY PHYSICS ( 8 ) Article ARTN 088 ,
Koch RDM, Ramgoolam S ( 2018 ) . Free field primaries in general dimensions: Counting and construction with rings and modules .
Lewis-Brown C, Ramgoolam S ( 2018 ) . BPS operators in $\mathcal{N}=4$ $SO(N)$ super Yang-Mills theory: plethysms, dominoes and words .
Geloun JB, Ramgoolam S ( 2017 ) . Tensor Models, Kronecker coefficients and Permutation Centralizer Algebras . Journal of High Energy Physics
Koch RDM, Rabambi P, Rabe R, Ramgoolam S ( 2017 ) . Free quantum fields in 4D and Calabi-Yau spaces . PHYSICAL REVIEW LETTERS
Koch RDM, Rabambi P, Rabe R, Ramgoolam S ( 2017 ) . Counting and construction of holomorphic primary fields in free CFT4 from rings of functions on Calabi-Yau orbifolds . Journal of High Energy Physics (JHEP).
Geloun JB, Ramgoolam S ( 2017 ) . Tensor Models, Kronecker coefficients and Permutation Centralizer Algebras .
Koch RDM, Rabambi P, Rabe R, Ramgoolam S ( 2017 ) . Holomorphic primary fields in free CFT4 and Calabi-Yau orbifolds .
Koch RDM, Rabambi P, Rabe R, Ramgoolam S ( 2017 ) . Free quantum fields in 4D and Calabi-Yau spaces .
Kartsaklis D, Ramgoolam S, Sadrzadeh M ( 2017 ) . Linguistic Matrix Theory .
Kimura Y, Ramgoolam S, Suzuki R ( 2016 ) . Flavour singlets in gauge theory as permutations . Journal of High Energy Physics vol. 2016 , ( 12 )
Ramgoolam S ( 2016 ) . Permutations and the combinatorics of gauge invariants for general $N$ .
Hanany A, Ramgoolam S, Rodriguez-Gomez D ( 2016 ) . Highest Weight Generating functions for hyperKahler T*(G/H) spaces . Journal of High Energy Physics
Mattioli P, Ramgoolam S ( 2016 ) . Gauge invariants and correlators in flavoured quiver gauge theories . Nuclear Physics B vol. 911 , 638 - 711 .
Kimura Y, Ramgoolam S, Suzuki R ( 2016 ) . Flavour singlets in gauge theory as Permutations .
Hanany A, Jejjala V, Ramgoolam S, Seong R-K ( 2016 ) . Consistency and derangements in brane tilings . Journal of Physics A: Mathematical and Theoretical vol. 49 , ( 35 ) 355401 - 355401 .
Ramgoolam S ( 2016 ) . Permutations and the combinatorics of gauge invariants for general N .
de Mello Koch R, Ramgoolam S ( 2016 ) . Interactions as intertwiners in 4D QFT . Journal of High Energy Physics vol. 2016 , ( 3 )
Mattioli P, Ramgoolam S ( 2016 ) . Permutation Centralizer Algebras and Multi-Matrix Invariants . Physical Review D - Particles, Fields, Gravitation, and Cosmology
Mattioli P, Ramgoolam S ( 2016 ) . Permutation Centralizer Algebras and Multi-Matrix Invariants .
Hanany A, Ramgoolam S, Rodriguez-Gomez D ( 2016 ) . Highest Weight Generating functions for hyperKahler T*(G/H) spaces .
Hanany A, Jejjala V, Ramgoolam S, Seong R-K ( 2015 ) . Consistency and Derangements in Brane Tilings .
Koch RDM, Ramgoolam S ( 2015 ) . Interactions as conformal intertwiners in 4D QFT .
Garner D, Ramgoolam S ( 2015 ) . The geometry of the light-cone cell decomposition of moduli space . JOURNAL OF MATHEMATICAL PHYSICS vol. 56 , ( 11 ) Article ARTN 112301 ,
McGrane J, Ramgoolam S, Wecht B ( 2015 ) . Chiral Ring Generating Functions & Branches of Moduli Space .
Garner D, Ramgoolam S ( 2015 ) . The geometry of the light-cone cell decomposition of moduli space .
Freidel L, Garner D, Ramgoolam S ( 2015 ) . Permutation combinatorics of worldsheet moduli space . Physical Review D vol. 91 , ( 12 )
Mattioli P, Ramgoolam S ( 2015 ) . Quivers, words and fundamentals . Journal of High Energy Physics vol. 2015 , ( 3 )
Mattioli P, Ramgoolam S ( 2014 ) . Quivers, Words and Fundamentals .
Freidel L, Garner D, Ramgoolam S ( 2014 ) . Permutation combinatorics of worldsheet moduli space .
Koch RDM, Ramgoolam S ( 2014 ) . CFT4 as SO(4,2)-invariant TFT2 . Nuclear Physics, Section B
Garner D, Ramgoolam S, Wen C ( 2014 ) . Thresholds of Large N Factorization in CFT4 : Exploring bulk spacetime in AdS5 . Journal of High Energy Physics
Koch RDM, Ramgoolam S ( 2014 ) . CFT4 as SO(4,2)-invariant TFT2 .
Garner D, Ramgoolam S, Wen C ( 2014 ) . Thresholds of Large N Factorization in CFT4 : Exploring bulk spacetime in AdS5 .
Geloun JB, Ramgoolam S ( 2013 ) . Counting Tensor Model Observables and Branched Covers of the 2-Sphere . Ann.Inst.H.Poincare Comb.Phys.Interact. vol. 1 ,
Garner D, Ramgoolam S ( 2013 ) . Holographic Hierarchy in the Gaussian Matrix Model via the Fuzzy Sphere . Nucl.Phys. B vol. 875 , 244 - 313 .
Pasukonis J, Ramgoolam S ( 2013 ) . Quivers as Calculators: Counting, Correlators and Riemann Surfaces . The Journal of High Energy Physics vol. 94 , ( 04 )
Koch RDM, Ramgoolam S, Wen C ( 2012 ) . On the refined counting of graphs on surfaces .
Koch RDM, Ramgoolam S ( 2012 ) . A double coset ansatz for integrability in AdS/CFT .
Pasukonis J, Ramgoolam S ( 2012 ) . Quantum states to brane geometries via fuzzy moduli spaces of giant gravitons .
Hanany A, He Y-H, Jejjala V, Pasukonis J, Ramgoolam S, Rodriguez-Gomez D ( 2012 ) . INVARIANTS OF TORIC SEIBERG DUALITY . INTERNATIONAL JOURNAL OF MODERN PHYSICS A vol. 27 , ( 1 ) Article ARTN 1250002 ,
Koch RDM, Ramgoolam S ( 2011 ) . Strings from Feynman Graph counting : without large N .
Hanany A, Jejjala V, Ramgoolam S, Seong R-K ( 2011 ) . Calabi-Yau orbifolds and torus coverings . JOURNAL OF HIGH ENERGY PHYSICS ( 9 ) Article ARTN 116 ,
Hanany A, He Y-H, Jejjala V, Pasukonis J, Ramgoolam S, Rodriguez-Gomez D ( 2011 ) . Invariants of Toric Seiberg Duality .
Hanany A, Jejjala V, Ramgoolam S, Seong R-K ( 2011 ) . Calabi-Yau Orbifolds and Torus Coverings . JHEP vol. 1109 ,
Hanany A, He Y-H, Jejjala V, Pasukonis J, Ramgoolam S, Rodriguez-Gomez D ( 2011 ) . The Beta Ansatz: A Tale of Two Complex Structures . JHEP vol. 1106 ,
Jejjala V, Ramgoolam S, Rodriguez-Gomez D ( 2010 ) . Toric CFTs, Permutation Triples, and Belyi Pairs . JHEP vol. 1103 ,
Pasukonis J, Ramgoolam S ( 2010 ) . From counting to construction of BPS states in N=4 SYM . JHEP vol. 1102 ,
Koch RDM, Ramgoolam S ( 2010 ) . From Matrix Models and quantum fields to Hurwitz space and the absolute Galois group . Abstract: java.sql.Clob org.hibernate.engine.jdbc.WrappedClob java.io.Serializable , Notes: 54 pages, 17 figures ,
Kimura Y, Ramgoolam S, Turton D ( 2009 ) . Free particles from Brauer algebras in complex matrix models . JHEP vol. 1005 ,
Nastase H, Papageorgakis C, Ramgoolam S ( 2009 ) . The fuzzy S-2 structure of M2-M5 systems in ABJM membrane theories . J HIGH ENERGY PHYS vol. 2009 , ( 5 ) Article 123 ,
Brown TW, Heslop PJ, Ramgoolam S ( 2009 ) . Diagonal free field matrix correlators, global symmetries and giant gravitons . J HIGH ENERGY PHYS vol. 2009 , ( 4 ) Article 089 ,
Nastase H, Papageorgakis C, Ramgoolam S ( 2009 ) . The fuzzy S^2 structure of M2-M5 systems in ABJM membrane theories .
Kimura Y, Ramgoolam S ( 2008 ) . Enhanced symmetries of gauge theory and resolving the spectrum of local operators . PHYS REV D vol. 78 , ( 12 ) Article 126003 ,
Kimura Y, Ramgoolam S ( 2008 ) . Enhanced symmetries of gauge theory and resolving the spectrum of local operators .
Brown TW, Heslop PJ, Ramgoolam S ( 2008 ) . Diagonal free field matrix correlators, global symmetries and giant gravitons .
Kimura Y, Ramgoolam S ( 2008 ) . Holomorphic maps and the complete 1/N expansion of 2D SU(N) Yang-Mills . J HIGH ENERGY PHYS ( 6 ) Article 015 ,
Ramgoolam S ( 2008 ) . Schur-Weyl duality as an instrument of Gauge-String duality .
Kimura Y, Ramgoolam S ( 2008 ) . Holomorphic maps and the complete 1/N expansion of 2D SU(N) Yang-Mills .
Brown TW, Heslop PJ, Ramgoolam S ( 2008 ) . Diagonal multi-matrix correlators and BPS operators in N=4 SYM . J HIGH ENERGY PHYS vol. 2008 , ( 2 ) Article 030 ,
Ramgoolam S ( 2008 ) . Schur-Weyl duality as an instrument of gauge-string duality . TEN YEARS OF ADS/CFT . Editors: Edelstein, JD, Grandi, N, Nunez, C, Schveillinger, M et al. , vol. 1031 , 255 - 265 .
Brown TW, Heslop PJ, Ramgoolam S ( 2007 ) . Diagonal multi-matrix correlators and BPS operators in N=4 SYM .
Kimura Y, Ramgoolam S ( 2007 ) . Branes, Anti-Branes and Brauer Algebras in Gauge-Gravity duality . JHEP vol. 0711 ,
de Haro S, Ramgoolam S, Torrielli A ( 2007 ) . Large N expansion of q-deformed two-dimensional Yang-Mills theory and Hecke algebras . COMMUN MATH PHYS vol. 273 , ( 2 ) 317 - 355 .
Brown T, Ramgoolam S, Koch RD, Toumbas N ( 2007 ) . Correlators, probabilities and topologies in N=4 SYM . J HIGH ENERGY PHYS ( 3 ) Article 072 ,
Papageorgakis C, Ramgoolam S ( 2006 ) . On time-dependent collapsing branes and fuzzy odd-dimensional spheres . INT J MOD PHYS A vol. 21 , ( 30 ) 6055 - 6086 .
Brown T, Koch RDM, Ramgoolam S, Toumbas N ( 2006 ) . Correlators, Probabilities and Topologies in N=4 SYM .
McNamara S, Papageorgakis C, Ramgoolam S, Spence WJ ( 2006 ) . Finite N effects on the collapse of fuzzy spheres . J HIGH ENERGY PHYS ( 5 ) Article 060 ,
Papageorgakis C, Ramgoolam S, Toumbas N ( 2006 ) . Noncommutative geometry, quantum effects and DBI-scaling in the collapse of D0-D2 bound states . J HIGH ENERGY PHYS ( 1 ) Article 030 ,
Koch RD, Jevicki A, Ramgoolam S ( 2005 ) . On exponential corrections to the 1/N expansion in two-dimensional Yang Mills . J HIGH ENERGY PHYS ( 8 ) Article 077 ,
de Medeiros P, Ramgoolam S ( 2005 ) . Non-associative gauge theory and higher spin interactions . J HIGH ENERGY PHYS ( 3 ) Article 072 ,
RAMGOOLAM SK, Papageorgakis C ( 2005 ) . Large-small dualities between periodic collapsing/expanding branes and brane funnels . JHEP
Ramgoolam S, Spence B, Thomas S ( 2004 ) . Resolving brane collapse with 1/N corrections in non-Abelian DBI . NUCL PHYS B vol. 703 , ( 1-2 ) 236 - 276 .
Ramgoolam S ( 2004 ) . Towards gauge theory for a class of commutative and non-associative fuzzy spaces . J HIGH ENERGY PHYS ( 3 ) Article 034 ,
Corley S, Ramgoolam S ( 2004 ) . Strings on plane waves, super-Yang-Mills in four dimensions, quantum groups at roots of one . NUCL PHYS B vol. 676 , ( 1-2 ) 99 - 128 .
THOMAS S, Ramgoolam S, Spence B ( 2004 ) . Resolving brane collapse with 1/N corrections in non-Abelian DBI . NPB
Lowe DA, Nastase H, Ramgoolam S ( 2003 ) . Massive IIA string theory and Matrix theory compactification . NUCL PHYS B vol. 667 , ( 1-2 ) 55 - 89 .
Corley S, Ramgoolam S ( 2002 ) . Strings on Plane Waves, Super-Yang Mills in Four Dimensions, Quantum Groups at Roots of One .
Corley S, Ramgoolam S ( 2002 ) . Finite factorization equations and sum rules for BPS correlators in N=4 SYM theory . NUCL PHYS B vol. 641 , ( 1-2 ) 131 - 187 .
Ramgoolam S ( 2002 ) . Higher dimensional geometries related to fuzzy odd-dimensional spheres . J HIGH ENERGY PHYS ( 10 ) Article 064 ,
Ramgoolam S ( 2002 ) . Higher dimensional geometries related to fuzzy odd-dimensional spheres .
Corley S, Ramgoolam S ( 2002 ) . Finite Factorization equations and Sum Rules for BPS correlators in N=4 SYM theory .
Ho PM, Ramgoolam S ( 2002 ) . Higher-dimensional geometries from matrix brane constructions . NUCL PHYS B vol. 627 , ( 1-2 ) 266 - 288 .
Corley S, Lowe DA, Ramgoolam S ( 2001 ) . Einstein-Hilbert on the brane . JOURNAL OF THE KOREAN PHYSICAL SOCIETY . vol. 39 , S566 - S571 .
Ho PM, Ramgoolam S ( 2001 ) . Higher Dimensional Geometries from Matrix Brane constructions .
Corley S, Jevicki A, Ramgoolam S ( 2001 ) . Exact Correlators of Giant Gravitons from dual N=4 SYM .
Ramgoolam S ( 2001 ) . On spherical harmonics for fuzzy spheres in diverse dimensions . NUCL PHYS B vol. 610 , ( 3 ) 461 - 488 .
Corley S, Lowe DA, Ramgoolam S ( 2001 ) . Einstein-Hilbert action on the brane for the bulk graviton . J HIGH ENERGY PHYS vol. 2001 , ( 7 ) Article 030 ,
RAMGOOLAM SK, Jevicki A, Corley S ( 2001 ) . Exact correlators of giant gravitons from dual N=4 SYM theory . ADVANCES IN THEORETICAL AND MATHEMATICAL PHYSICS vol. 5 , ( 4 ) 809 - 839 .
Corley S, Lowe D, Ramgoolam S ( 2001 ) . Einstein-Hilbert action on the brane for the bulk graviton .
Ramgoolam S ( 2001 ) . On spherical harmonics for fuzzy spheres in diverse dimensions .
Corley S, Ramgoolam S ( 2001 ) . Projector equivalences in K theory and families of non-commutative solitons . J HIGH ENERGY PHYS vol. 2001 , ( 3 ) Article 037 ,
Guralnik Z, Ramgoolam S ( 2001 ) . On the polarization of unstable D0-branes into non-commutative odd spheres . J HIGH ENERGY PHYS vol. 2001 , ( 2 ) Article 032 ,
Jevicki A, Mihailescu M, Ramgoolam S ( 2000 ) . Non-commutative spheres and the AdS/CFT correspondence . J HIGH ENERGY PHYS vol. 2000 , ( 10 ) Article 008 ,
Ramgoolam S ( 2000 ) . A remark on T-duality and quantum volumes of zero-brane moduli spaces . J HIGH ENERGY PHYS vol. 2000 , ( 9 ) Article 026 ,
Mihailescu M, Ramgoolam S ( 2000 ) . Duality and Combinatorics of Long Strings in ADS3 . Nucl.Phys. B vol. 587 , 179 - 194 .
Jevicki A, Mihailescu M, Ramgoolam S ( 1999 ) . Gravity from CFT on $S^N(X)$ CFT: Symmetries and Interactions . Nucl.Phys. B vol. 577 , 47 - 72 .
Ho P-M, Ramgoolam S, Tatar R ( 1999 ) . Quantum Spacetimes and Finite N Effects in 4D Super Yang-Mills Theories . Nucl.Phys. B vol. 573 , 364 - 376 .
Jevicki A, Ramgoolam S ( 1999 ) . Non commutative gravity from the ADS/CFT correspondence . JHEP vol. 9904 ,
Ramgoolam S, Waldram D ( 1998 ) . Zero-Branes on a Compact Orbifold . JHEP vol. 9807 ,
Brodie J, Ramgoolam S ( 1997 ) . On Matrix Models of M5-branes . Nucl.Phys. B vol. 521 , 139 - 160 .
Guralnik Z, Ramgoolam S ( 1997 ) . From 0-Branes to Torons . Nucl.Phys. B vol. 521 , 129 - 138 .
Gopakumar R, Ramgoolam S ( 1997 ) . Scattering of zero branes off elementary strings in Matrix Theory . Nucl.Phys. B vol. 514 , 177 - 190 .
Ganor OJ, Gopakumar R, Ramgoolam S ( 1997 ) . Higher Loop Effects in M(atrix) Orbifolds . Nucl.Phys. B vol. 511 , 243 - 263 .
Guralnik Z, Ramgoolam S ( 1997 ) . Torons and D-Brane Bound States . Nucl.Phys. B vol. 499 , 241 - 252 .
Ganor OJ, Ramgoolam S, IV WT ( 1996 ) . Branes, Fluxes and Duality in M(atrix)-Theory . Nucl.Phys.B vol. 492 , 191 - 204 .
Ramgoolam S, Thorlacius L ( 1996 ) . D-Branes and Physical States . Nucl.Phys. B vol. 483 , 248 - 266 .
Barbon JLF, Ramgoolam S ( 1995 ) . Some properties of unstable monopoles in Super-QCD . Phys.Rev. D vol. 55 , 1013 - 1020 .
Ramgoolam S ( 1994 ) . Wilson Loops in 2D Yang Mills: Euler characters and Loop equations . Int.J.Mod.Phys. A vol. 11 , 3885 - 3933 .
Cordes S, Moore G, Ramgoolam S ( 1994 ) . Lectures on 2D Yang-Mills Theory, Equivariant Cohomology and Topological Field Theories . Nucl.Phys.Proc.Suppl. vol. 41 , 184 - 244 .
Cordes S, Moore G, Ramgoolam S ( 1994 ) . Large N 2D Yang-Mills Theory and Topological String Theory . Commun.Math.Phys. vol. 185 , 543 - 619 .
Ramgoolam S ( 1993 ) . Comment on Two Dimensional O(N) and Sp(N) Yang Mills Theories as String Theories . Nucl.Phys. B vol. 418 , 30 - 44 .
Moore G, Plesser MR, Ramgoolam S ( 1991 ) . Exact S-Matrix for 2D String Theory . Nucl.Phys.B vol. 377 , 143 - 190 .