Partha Mukhopadhyay

Dynamical supersymmetry analysis of conformal invariance for superstrings in type IIB R-R plane-wave (2009)

Mukhopadhyay, Partha

In a previous work (arXiv:0902.3750 [hep-th]) we studied the world-sheet conformal invariance for superstrings in type IIB R-R plane-wave in semi-light-cone gauge. Here we give further justification...

Superstrings in type IIB R-R plane-wave in semi-light-cone gauge and conformal invariance (2009)

Mukhopadhyay, Partha

We reconsider the analysis done by Kazama and Yokoi in arXiv:0801.1561 (hep-th). We find that although the right vacuum of the theory is the one associated to massless normal ordering (MNO), phase...

Quantum Query Complexity of Multilinear Identity Testing (2009)

Arvind, V., Mukhopadhyay, Partha

Motivated by the quantum algorithm for testing commutativity of black-box groups (Magniez and Nayak, 2007), we study the following problem: Given a black-box finite ring by an additive...

Quantum Query Complexity of Multilinear Identity Testing (2009)

Arvind, V., Mukhopadhyay, Partha

Motivated by the quantum algorithm for testing commutativity of black-box groups (Magniez and Nayak, 2007), we study the following problem: Given a black-box finite ring by an additive...

Quantum Query Complexity of Multilinear Identity Testing (2009)

Arvind, Vikraman, Mukhopadhyay, Partha

Motivated by the quantum algorithm for testing commutativity of black-box groups (Magniez and Nayak, 2007), we study the following problem: Given a black-box finite ring by an additive generating set...

On Isomorphism and Canonization of Tournaments and Hypertournaments (2008)

V. Arvind, Bireswar Das, Partha Mukhopadhyay

Abstract. We give a polynomial-time oracle algorithm for Tournament Canonization that accesses oracles for Tournament Isomorphism and Rigid-Tournament Canonization. Extending the Babai-Luks...

Quantum Query Complexity of Multilinear Identity Testing (2008)

Arvind, V., Mukhopadhyay, Partha

Motivated by the quantum algorithm in \cite{MN05} for testing commutativity of black-box groups, we study the following problem: Given a black-box finite ring $R=\angle{r_1,...,r_k}$ where...

On the Conformal Field Theories for Bosonic Strings in PP-Waves (2008)

Mukhopadhyay, Partha

Recently Kazama and Yokoi (arXiv:0801.1561 [hep-th]) have used a phase-space method to study the Virasoro algebra of type IIB superstring theory in the maximally supersymmetric R-R plane wave...

Derandomizing the Isolation Lemma and Lower Bounds for Circuit Size (2008)

Arvind, V., Mukhopadhyay, Partha

The isolation lemma of Mulmuley et al \cite{MVV87} is an important tool in the design of randomized algorithms and has played an important role in several nontrivial complexity upper bounds. On the...

The Complexity of Black-Box Ring Problems (2008)

V. Arvind, Bireswar Das, Partha Mukhopadhyay

Abstract. We study the complexity of some computational problems on finite black-box rings whose elements are encoded as strings of a given length and the ring operations are performed by a black-box...

New results on Noncommutative and Commutative Polynomial Identity Testing (2008)

Arvind, V., Mukhopadhyay, Partha, Srinivasan, Srikanth

Using ideas from automata theory we design a new efficient (deterministic) identity test for the \emph{noncommutative} polynomial identity testing problem (first introduced and studied in...

A Universality in PP-Waves (2007)

Mukhopadhyay, Partha

We discuss a universality property of any covariant field theory in space-time expanded around pp-wave backgrounds. According to this property the space-time lagrangian density evaluated on a...

Tachyon Condensation and Non-BPS D-branes in a Ramond-Ramond Plane Wave Background (2006)

Mukhopadhyay, Partha

We consider string theory in maximally supersymmetric type IIB plane wave background with constant five form Ramond-Ramond flux (RR plane wave). It is argued that there exists a universal sector of...

DDF Construction and D-Brane Boundary States in Pure Spinor Formalism (2005)

Mukhopadhyay, Partha

Open string boundary conditions for non-BPS D-branes in type II string theories discussed in hep-th/0505157 give rise to two sectors with integer (R sector) and half-integer (NS sector) modes for the...

On D-Brane Boundary State Analysis in Pure-Spinor Formalism (2005)

Mukhopadhyay, Partha

We explore a particular approach to study D-brane boundary states in Berkovits' pure spinor formalism of superstring theories. In this approach one constructs the boundary states in the relevant...

Fluorescence-Activated Cell Sorting of EGFP-Labeled Neural Crest Cells From Murine Embryonic Craniofacial Tissue (2005)

Saurabh Singh, Vasker Bhattacherjee, Partha Mukhopadhyay, Christopher A. Worth, Samuel R. Wellhausen, Courtney P. Warner, ...

During the early stages of embryogenesis, pluripotent neural crest cells (NCC) are known to migrate from the neural folds to populate multiple target sites in the embryo where they differentiate into...

Non-BPS D-Branes in Light-Cone Green-Schwarz Formalism (2004)

Mukhopadhyay, Partha

Non-BPS D-branes are difficult to describe covariantly in a manifestly supersymmetric formalism. For definiteness we concentrate on type IIB string theory in flat background in light-cone...

Deutsch-Jozsa Algorithm Revisited in the Domain of Cryptographically Significant Boolean Functions (2004)

Maitra, Subhamoy, Mukhopadhyay, Partha

Boolean functions are important building blocks in cryptography for their wide application in both stream and block cipher systems. For cryptanalysis of such systems one tries to find out linear...

Quantum algorithm to distinguish Boolean functions of different weights (2004)

Braunstein, Samuel L., Choi, Byung-Soo, Maitra, Subhamoy, Chakrabarti, Dibyendu, Ghosh, Subhroshekhar, Mukhopadhyay, Partha

We exploit Grover operator of database search algorithm for weight decision algorithm. In this research, weight decision problem is to find an exact weight w from given two weights as w1 and w2 where...

On The Problem of Particle Production in c=1 Matrix Model (2004)

Mukhopadhyay, Partha

We reconsider and analyze in detail the problem of particle production in the time dependent background of $c=1$ matrix model where the Fermi sea drains away at late time. In addition to the moving...

Particle Production in Matrix Cosmology (2004)

Das, Sumit R., Davis, Joshua L., Larsen, Finn, Mukhopadhyay, Partha

We consider cosmological particle production in 1+1 dimensional string theory. The process is described most efficiently in terms of anomalies, but we also discuss the explicit mode expansions. In...

Generalized protocol for distribution and concentration of Quantum information (2003)

Mukhopadhyay, Partha

Alice can distribute a quantum state $|\phi>$ to $N$ spatially separated parties(say Bobs) by telecloning. It is possible for Charlie to reconstruct the quantum state to him if he shares same kind of...

Decay of Unstable D-branes with Electric Field (2002)

Mukhopadhyay, Partha, Sen, Ashoke

Using the techniques of two dimensional conformal field theory we construct time dependent classical solutions in open string theory describing the decay of an unstable D-brane in the presence of...

Oscillator Representation of the BCFT Construction of D-branes in Vacuum String Field Theory (2001)

Mukhopadhyay, Partha

Starting from the boundary CFT definition for the D-branes in vacuum string field theory (VSFT) given in hep-th/0105168, we derive the oscillator expression for the D24-brane solution in the VSFT on...

Test of Siegel Gauge for the Lump Solution (2001)

Mukhopadhyay, Partha, Sen, Ashoke

We test the validity of the Siegel gauge condition for the lump solution of cubic open bosonic string field theory by checking the equations of motion of the string field components outside the...

Unstable Non-BPS D-Branes of Type-II String Theories in Light-Cone Green-Schwarz Formalism (2000)

Mukhopadhyay, Partha

The problem of describing the boundary states of unstable non-BPS D-branes of type-II string theories in light-cone Green-Schwarz (GS) formalism is addressed. Regarding the type II theories in...

Prominent roles of the NorR and Fur regulators in the Escherichia coli transcriptional response to reactive nitrogen species

Mukhopadhyay, Partha, Zheng, Ming, Bedzyk, Laura A., LaRossa, Robert A., Storz, Gisela

We examined the genomewide transcriptional responses of Escherichia coli treated with nitrosylated glutathione or the nitric oxide (NO)-generator acidified sodium nitrite (NaNO2) during aerobic...

Fluorescence-Activated Cell Sorting of EGFP-Labeled Neural Crest Cells From Murine Embryonic Craniofacial Tissue

Singh, Saurabh, Bhattacherjee, Vasker, Mukhopadhyay, Partha, Worth, Christopher A., Wellhausen, Samuel R., Warner, Courtney P., ...

During the early stages of embryogenesis, pluripotent neural crest cells (NCC) are known to migrate from the neural folds to populate multiple target sites in the embryo where they differentiate into...

Prominent roles of the NorR and Fur regulators in the Escherichia coli transcriptional response to reactive nitrogen species

Mukhopadhyay, Partha, Zheng, Ming, Bedzyk, Laura A., LaRossa, Robert A., Storz, Gisela

We examined the genomewide transcriptional responses of Escherichia coli treated with nitrosylated glutathione or the nitric oxide (NO)-generator acidified sodium nitrite (NaNO2) during aerobic...

Fluorescence-Activated Cell Sorting of EGFP-Labeled Neural Crest Cells From Murine Embryonic Craniofacial Tissue

Singh, Saurabh, Bhattacherjee, Vasker, Mukhopadhyay, Partha, Worth, Christopher A., Wellhausen, Samuel R., Warner, Courtney P., ...

During the early stages of embryogenesis, pluripotent neural crest cells (NCC) are known to migrate from the neural folds to populate multiple target sites in the embryo where they differentiate into...

Mutational Analysis To Define an Activating Region on the Redox-Sensitive Transcriptional Regulator OxyR▿

Wang, Xunde, Mukhopadhyay, Partha, Wood, Matthew J., Outten, F. Wayne, Opdyke, Jason A., Storz, Gisela

The OxyR transcription factor is a key regulator of the Escherichia coli response to oxidative stress. Previous studies showed that OxyR binding to a target promoter enhances RNA polymerase binding...

Evidence for Selective Transformation of Autoreactive Immature Plasma Cells in Mice Deficient in Fasl

Zhang, Jian Qiao, Okumura, Cheryl, McCarty, Thomas, Shin, Min Sun, Mukhopadhyay, Partha, Hori, Mitsuo, ...

Germline mutations in Fas and Fasl induce nonmalignant T cell hyperplasia and systemic autoimmunity and also greatly increase the risk of B cell neoplasms. B lymphomas occurring in Fasl mutant (gld)...

Testing hypotheses of aging in long-lived mice of the genus Peromyscus: association between longevity and mitochondrial stress resistance, ROS detoxification pathways, and DNA repair efficiency

Ungvari, Zoltan, Krasnikov, Boris F., Csiszar, Anna, Labinskyy, Nazar, Mukhopadhyay, Partha, Pacher, Pal, ...

In the present review we discuss the potential use of two long-lived mice of the genus Peromyscus—the white-footed mouse (P. leucopus) and the deer mouse (P. maniculatus) maximum lifespan potential...

Endothelial function and vascular oxidative stress in long-lived GH/IGF-deficient Ames dwarf mice

Csiszar, Anna, Labinskyy, Nazar, Perez, Viviana, Recchia, Fabio A., Podlutsky, Andrej, Mukhopadhyay, Partha, ...

Hypopituitary Ames dwarf mice have low circulating growth hormone (GH)/IGF-I levels, and they have extended longevity and exhibit many symptoms of delayed aging. To elucidate the vascular...

An Arrested Virtuous Circle? Higher Education And High-Tech Industries In India

Rakesh Basant, Partha Mukhopadhyay

We provide a brief but comprehensive overview of linkages between higher education and the high tech sector and study the major linkages in India. We find that the links outside of the labor market...