Publications: Dr Sanjaye Ramgoolam
Barnes G, Ramgoolam S, Stephanou M
(
2024
)
.
Permutation invariant Gaussian matrix models for financial correlation matrices
.
Physica A Statistical Mechanics and its Applications
vol.
651
,
Barnes G, Padellaro A, Ramgoolam S
(
2024
)
.
Permutation invariant tensor models and partition algebras
.
Annales de l’Institut Henri Poincaré D Combinatorics Physics and their Interactions
O’Connor D, Ramgoolam S
(
2024
)
.
Gauged permutation invariant matrix quantum mechanics: partition functions
.
Journal of High Energy Physics
vol.
2024
,
(
7
)
O’Connor D, Ramgoolam S
(
2024
)
.
Gauged permutation invariant matrix quantum mechanics: path integrals
.
Journal of High Energy Physics
vol.
2024
,
(
4
)
Padellaro A, Radhakrishnan R, Ramgoolam S
(
2024
)
.
Row–column duality and combinatorial topological strings
.
Journal of Physics A: Mathematical and Theoretical
vol.
57
,
(
6
)
Ramgoolam S
(
2024
)
.
String theory for builders: New mathematical perspectives on algorithms and complexity in quantum physics
.
Research Features
Geloun JB, Ramgoolam S
(
2023
)
.
Kronecker coefficients from algebras of bi-partite ribbon graphs
.
The European Physical Journal Special Topics
vol.
232
,
(
23-24
)
3637
-
3643
.
Geloun JB, Ramgoolam S
(
2023
)
.
The quantum detection of projectors in finite-dimensional algebras and holography
.
Journal of High Energy Physics
vol.
2023
,
(
5
)
Geloun JB, Ramgoolam S
(
2023
)
.
Quantum mechanics of bipartite ribbon graphs: Integrality, Lattices and Kronecker coefficients
.
Algebraic Combinatorics
vol.
6
,
(
2
)
547
-
594
.
Ramgoolam S, Sword L
(
2023
)
.
Matrix and tensor witnesses of hidden symmetry algebras
.
Journal of High Energy Physics
vol.
2023
,
(
3
)
de Mello Koch R, Ramgoolam S
(
2023
)
.
N = 4 SYM, (super)-polynomial rings and emergent quantum mechanical symmetries
.
Journal of High Energy Physics
vol.
2023
,
(
2
)
de Mello Koch R, Ramgoolam S
(
2023
)
.
Higher Dimensional CFTs as 2D Conformally-Equivariant Topological Field Theories
.
Lie Theory and Its Applications in Physics
,
vol.
396
,
Springer Nature
Barnes G, Padellaro A, Ramgoolam S
(
2022
)
.
Permutation symmetry in large-N matrix quantum mechanics and partition algebras
.
Physical Review D
vol.
106
,
(
10
)
Geloun JB, Ramgoolam S
(
2022
)
.
All-orders asymptotics of tensor model observables from symmetries of restricted partitions
.
Journal of Physics A: Mathematical and Theoretical
vol.
55
,
(
43
)
Ramgoolam S, Sharpe E
(
2022
)
.
Combinatoric topological string theories and group theory algorithms
.
Journal of High Energy Physics
vol.
2022
,
(
10
)
Barnes G, Padellaro A, Ramgoolam S
(
2022
)
.
Hidden symmetries and large N factorisation for permutation invariant matrix observables
.
Journal of High Energy Physics
vol.
2022
,
(
8
)
Ramgoolam S, Sadrzadeh M, Sword L
(
2022
)
.
Gaussianity and typicality in matrix distributional semantics
.
Annales de l’Institut Henri Poincaré D Combinatorics Physics and their Interactions
vol.
9
,
(
1
)
1
-
45
.
Barnes G, Padellaro A, Ramgoolam S
(
2022
)
.
Permutation invariant Gaussian two-matrix models
.
Journal of Physics A: Mathematical and Theoretical
vol.
55
,
(
14
)
de Mello Koch R, He Y-H, Kemp G, Ramgoolam S
(
2022
)
.
Integrality, duality and finiteness in combinatoric topological strings
.
Journal of High Energy Physics
vol.
2022
,
(
1
)
Geloun JB, Ramgoolam S
(
2021
)
.
All-orders asymptotics of tensor model observables from symmetries of restricted partitions
.
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
.
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
)
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
.
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 Combinatorics Physics and their Interactions
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
.
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
,
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
,
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).
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
.
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
.
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
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
.
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
)
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
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, 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
,
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
,
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:
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,
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
,
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
)
.
Holomorphic maps and the complete 1/N expansion of 2D SU(N) Yang-Mills
.
J HIGH ENERGY PHYS
(
6
)
Article
015
,
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
.
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
.
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
)
.
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
,
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
.
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, 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
.