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7 papers · 1 filter
On the internal structure of dyons in super Yang-Mills theories
K. Narayan
We use the low energy effective action on the Coulomb branch of super Yang-Mills theory to construct approximate field configurations for solitonic dyons in t…
Gauge Theory Duals of Cosmological Backgrounds and their Energy Momentum Tensors
Adel Awad, Sumit R. Das, K. Narayan +1
We revisit Type IIB supergravity backgrounds with null and spacelike singularities with natural gauge theory duals proposed in {\tt hep-th/0602107} and {\tt hep-th/0610053}. We sho…
Initial ideals of tangent cones to Schubert varieties in orthogonal Grassmannians
K. N. Raghavan, Shyamashree Upadhyay
We compute the initial ideals, with respect to certain conveniently chosen term orders, of ideals of tangent cones at torus fixed points to Schubert varieties in orthogonal Grassma…
Covariant Calculus for Effective String Theories
N. D. Hari Dass, Peter Matlock
A covariant calculus for the construction of effective string theories is developed. Effective string theory, describing quantum string-like excitations in arbitrary dimension, has…
Schwinger-Dyson operator of Yang-Mills matrix models with ghosts and derivations of the graded shuffle algebra
Govind S. Krishnaswami
We consider large-N multi-matrix models whose action closely mimics that of Yang-Mills theory, including gauge-fixing and ghost terms. We show that the factorized Schwinger-Dyson l…
Generalized CCR Flows
Masaki Izumi, R. Srinivasan
We introduce a new construction of -semigroups, called generalized CCR flows, with two kinds of descriptions: those arising from sum systems and those arising from pairs of $C…