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—Software traceability is the ability to describe and follow the life of a requirement in both a forward and backward direction by defining relationships to related development arti-facts. A plethora of different traceability recovery approaches use information retrieval techniques, which depend on the quality of the textual information in requirements and… (More)

The nonlinearities found in molecular networks usually prevent mathematical analysis of network behaviour, which has largely been studied by numerical simulation. This can lead to difficult problems of parameter determination. However, molecular networks give rise, through mass-action kinetics, to polynomial dynamical systems, whose steady states are zeros… (More)

Cytokine-hormone network deregulations underpin pathologies ranging from autoimmune disorders to cancer, but our understanding of these networks in physiological/pathophysiological states remains patchy. We employed Bayesian networks to analyze cytokine-hormone interactions in vivo using murine lactation as a dynamic, physiological model system. Circulatory… (More)

- Satabhisa Dasgupta, Tathagata Dasgupta
- 2000

Renormalization group analysis of boundary conformal field theory on bosonic D25-brane is used to study tachyon condensation. Placing the lump on a finite circle and triggering only the first three tachyon modes, the theory flows to nearby IR fixed point representing lumps that are extended object with definite profile. The boundary entropy corresponding to… (More)

- Duality, Tathagata Dasgupta, Bogdan Stefa´nski
- 1999

There are two families of non-BPS bi-spinors in the perturbative spectrum of the nine dimensional heterotic string charged under the gauge group SO(16) × SO(16). The relation between these perturbative non-BPS states and certain non-perturbative non-BPS D-brane states of the dual type I ′ theory is exhibited. The relevant branes include a Z Z 2 charged… (More)

- Satabhisa Dasgupta, Tathagata Dasgupta
- 2003

Extending our recent work (hep-th/0310106) we study the nonsinglet sector of c = 1 matrix model by renormalization group analysis for a gauged matrix quantum mechanics on circle with an appropriate gauge breaking term to incorporate the effect of world-sheet vortices. The flow equations indicate BKT phase transition around the self-dual radius and the… (More)

- Satabhisa Dasgupta, Tathagata Dasgupta
- 2008

Motivated by the renormalization group (RG) approach to c = 0 matrix model of Bre´zin and Zinn-Justin, we develop a RG scheme for c = 1 matrix model on a circle and analyze how the two coupling constants in double scaling limit with critical exponent flow with the change in length scale. The RG flow equations produce a non-trivial fixed point with the… (More)

- Tathagata Dasgupta, Matthias R Gaberdiel, Michael B Green, T Dasgupta, M R Gaberdiel
- 2000

The tree-level amplitude for the scattering of two gauge particles constrained to move on the two distinct boundaries of eleven-dimensional space-time in the Hořava–Witten formulation of M-theory is constructed. At low momenta this reproduces the corresponding tree-level scattering amplitude of the E 8 × E 8 heterotic string theory. After compact-ification… (More)

In the past decade, there have been many well-publicized cases of source code leaking from different well-known companies. These leaks pose a serious problem when the source code contains sensitive information encoded in its identifier names and comments. Unfortunately, redacting the sensitive information requires obfuscating the identifiers, which will… (More)

- Satabhisa Dasgupta, Tathagata Dasgupta
- 2008

We observe that the large N world sheet RG in c = 1 matrix model, formulated in [1, 2], with N 2 quantum mechanical degrees of freedom at small compactification radius is capable of capturing dimensional mutation. This manifests in deforming the familiar AdS 2 quantum mechanics in the minisuperspace Wheeler-de Witt (WdW) cosmology of the 2D quantum gravity,… (More)