Results for "Harleen Dahiya"

total 88took 0.16s
Quark flavor distribution functions for the octet baryons in the chiral quark constituent modelMay 13 2015The quark flavor distribution functions of the octet baryons ($N$, $\Sigma$, $\Xi$ and $\Lambda$) have been calculated in the chiral constituent quark model ($\chi$CQM). In particular, the valence and sea quark flavor distribution functions of the scalar ... More
Spin and Flavor Strange Quark Content of the NucleonJun 04 2008Several spin and flavor dependent parameters characterizing the strangeness content of the nucleon have been calculated in the chiral constituent quark model with configuration mixing (\chiCQM_{config}) which is known to provide a satisfactory explanation ... More
What is inside the nucleon?Jun 15 2001We briefly review the structure of nucleon in the context of QCD, Constituent Quark Model and Chiral Quark Model.
Chiral Odd Generalized Parton Distributions in Impact Parameter SpaceNov 12 2007Feb 06 2008We investigate the chiral odd generalized parton distributions (GPDs) for the quantum fluctuations of an electron in QED. The light-front wave function (LFWF) of this system gives a template for the quark spin-one diquark structure of the valence LFWF ... More
Study of kaon structure using the light-cone quark modelAug 06 2019We investigate the various distributions explaining multi-dimensional structure of kaon at the level of its constituents ($u$ and $\bar{s}$) using the light-cone quark model. The overlap form of wavefunctions associated with the light-cone quark model ... More
Chiral Odd Generalized Parton Distributions and Spin Densities in the Impact Parameter SpaceJun 10 2015In the present work we have studied the chiral odd Generalized Parton Distributions (GPDs) in the impact parameter space by assuming a flexible parametrization in a quark-diquark model. In order to obtain the explicit contributions from the up and down ... More
Charge radii of octet and decuplet baryonsJul 20 2011The charge radii of the octet and decuplet baryons have been calculated in the framework of chiral constituent quark model ($\chi$CQM) using a general parameterization (GP) method. Our results are comparable with the latest experimental studies as well ... More
Quadrupole moment of the nucleon in chiral constituent quark modelSep 10 2010The electromagnetic form factors are the most fundamental quantities to describe the internal structure of the nucleon and the shape of a spatially extended particle is determined by its {\it intrinsic} quadrupole moment which is first order moment of ... More
Nucleon shape and electromagnetic form factors in the chiral constituent quark modelJan 27 2010The electromagnetic form factors are the most fundamental quantities to describe the internal structure of the nucleon and the shape of a spatially extended particle is determined by its intrinsic quadrupole moment which can be related to the charge radii. ... More
Study of Twist-2 GTMDs in scalar-diquark modelMar 26 2018We investigate the Generalized Transverse Momentum-dependent Distributions (GTMDs) describing the parton structure of proton using the light-front scalar-diquark model. In particular, we study the Wigner distributions for unpolarized quark in unpolarized, ... More
Electromagnetic and gravitational form factors in simulated QED and Yukawa modelMay 28 2014The light-cone Fock state representation of composite systems has number of remarkable properties and for systems such as hadrons they have exact representation for angular momentum, energy momentum tensor. We investigate the electromagnetic and gravitational ... More
Chiral quark model and the nucleon spinMay 30 2003Apr 12 2004Using \chiQM with configuration mixing, the contribution of the gluon polarization to the flavor singlet component of the total spin has been calculated phenomenologically through the relation \Delta\Sigma(Q^2)=\Delta\Sigma-\frac{3\alpha_s(Q^2)}{2\pi}\Delta ... More
Chiral Quark Model with Configuration MixingDec 11 2000May 19 2001The implications of one gluon exchange generated configuration mixing in the Chiral Quark Model ($\chi$QM$_{gcm}$) with SU(3) and axial U(1) symmetry breakings are discussed in the context of proton flavor and spin structure as well as the hyperon $\beta$-decay ... More
Implications of Configuration Mixing in The Chiral Quark Model With SU(3) and Axial U(1) Breakings for Nucleon Spin-Flavor StructureSep 07 2000The implications of Chiral Quark Model with SU(3) and axial U(1) symmetry breakings as well as configuration mixing generated by one gluon exchange forces ($\chi$QM$_{gcm}$) are discussed in context of proton flavor and spin structure as well as hyperon ... More
Octet and Decuplet Baryon Magnetic Moments in the Chiral Quark ModelNov 09 2002Apr 18 2003Octet and decuplet baryon magnetic moments have been formulated within the \chiQM with configuration mixing incorporating the sea quark polarizations and their orbital angular momentum through the generalization of the Cheng-Li mechanism. When the parameters ... More
Octet magnetic moments and the Coleman-Glashow sum rule violation in the chiral quark modelAug 14 2002Baryon octet magnetic moments when calculated within the chiral quark model, incorporating the orbital angular momentum as well as the quark sea contribution through the Cheng-Li mechanism, not only show improvement over the non relativistic quark model ... More
Electromagnetic form factors of the nucleon in the chiral constituent quark modelAug 01 2011The electromagnetic form factors have attracted lot of theoretical and experimental attention recently as they encode extensive information on the internal structure of the hadron. An understanding of the form factors is necessary to describe the strong ... More
$x-$dependence of the quark distribution functions in the $χ$CQM$_{\rm config}$Sep 13 2007Chiral constituent quark model with configuration mixing (\chiCQM_{{\rm config}}) is known to provide a satisfactory explanation of the ``proton spin problem'' and related issues. In order to enlarge the scope of \chiCQM_{{\rm config}}, we have attempted ... More
Reconciling $G_A/G_V, <r_n^2>$ and $μ_{p,n}$ in Chiral Quark Model with one Gluon Generated Configuration MixingMar 22 2000Nov 30 2000The spin polarization functions $(\Delta u, ~\Delta d, ~\Delta s)$ for proton are calculated in the chiral quark model ($\chi$QM) with SU(3) symmetry breaking as well as configuration mixing generated by one gluon exchange forces for the NMC and the most ... More
Strangeness Content of the Nucleon in the \chiCQM_{config}Oct 18 2007Several parameters characterizing the strangeness content of the nucleon have been calculated in the chiral constituent quark model with configuration mixing (\chiCQM_{config}) which is known to provide a satisfactory explanation of the ``proton spin ... More
Strangeness in the NucleonJun 22 2007There are several different experimental indications, such as the strangeness contribution to the magnetic moment of the proton, sigma_{\pi N} term, strange spin polarization, ratio of strange and non strange quark flavor distributions which suggest that ... More
SU(4) Chiral Quark Model with Configuration MixingFeb 06 2003Chiral quark model with configuration mixing and broken SU(3)\times U(1) symmetry has been extended to include the contribution from c\bar c fluctuations by considering broken SU(4) instead of SU(3). The implications of such a model have been studied ... More
Wigner distributions and GTMDs in a proton using light-front quark-diquark modelOct 22 2018We investigate the Wigner distributions and generalized transverse momentum-dependent distributions (GTMDs) for $u$ and $d$ quarks in the proton by using light-front quark-diquark model. We consider the contribution of scalar and axial-vector diquark ... More
Strangeness and Chiral Symmetry BreakingNov 04 2010The implications of chiral symmetry breaking and SU(3) symmetry breaking have been studied in the chiral constituent quark model ($\chi$CQM). The role of hidden strangeness component has been investigated for the scalar matrix elements of the nucleon ... More
Chiral symmetry breaking and electromagnetic structure of the nucleonOct 01 2010The electromagnetic form factors are the most fundamental quantities to describe the internal structure of the nucleon and are related to the charge radii of the baryons. We have calculated the charge radii of octet baryons in the framework of chiral ... More
Strangeness magnetic moments of $N$ and $Δ$Sep 01 2011We have calculated the strangeness contribution to the magnetic moments of the nucleon and $\Delta$ decuplet baryons in the chiral constituent quark model with configuration mixing ($\chi$CQM$_{{\rm config}}$) which is known to provide a satisfactory ... More
Study of rare semileptonic $B_c^+ \to D^+ ν\barν$ decay in the light-cone quark modelNov 27 2017We study the exclusive semileptonic rare $B_c^+ \to D^+ \nu \bar{\nu}$ decay in the framework of light-cone quark model. The transition form factors $f_{+}(q^2)$ and $f_{T}(q^2)$ are evaluated in the time-like region using the analytic continuation method ... More
Magnetic moments of spin {1/2}^+ and spin {3/2}^+ charmed baryonsDec 29 2009The magnetic moments of spin ${1/2}{^+}$ and spin ${3/2}{^+}$ charmed baryons have been calculated in chiral constituent quark model ($\chi$CQM). The effects of configuration mixing and quark masses have also been investigated. The results are not only ... More
Magnetic Moments of Octet Baryons in Hot and Dense Nuclear MatterAug 11 2016We have calculated the in-medium magnetic moments of octet baryons in the presence of hot and dense symmetric nuclear matter. Effective magnetic moments of baryons have been derived from medium modified quark masses within chiral SU(3) quark mean field ... More
Octet Baryon Masses and Magnetic Moments in Hot and Dense Isospin Asymmetric Nuclear MatterOct 23 2017Dec 19 2018Medium modification of the magnetic moments of octet baryons in the isospin asymmetric nuclear medium at finite temperature has been calculated using medium modified quark and baryon masses derived in chiral SU(3) quark mean field model. The magnetic ... More
Magnetic moments of the low-lying $J^P=\,1/2^-$, $3/2^-$ $Λ$ resonances within the framework of the chiral quark modelAug 02 2012The magnetic moments of the low-lying spin-parity $J^P=$ $1/2^-$, $3/2^-$ $\Lambda$ resonances, like, for example, $\Lambda(1405)$ $1/2^-$, $\Lambda(1520)$ $3/2^-$, as well as their transition magnetic moments, are calculated using the chiral quark model. ... More
Spin 1/2^+, spin 3/2^+ and transition magnetic moments of low lying and charmed baryonsMar 23 2010Magnetic moments of the low lying and charmed spin 1/2^+ and spin 3/2^+ baryons have been calculated in the SU(4) chiral constituent quark model (\chiCQM) by including the contribution from c \bar c fluctuations. Explicit calculations have been carried ... More
Generalized Parton Distributions of Pion for Non-Zero Skewness in AdS/QCDJul 03 2018We study the generalized parton distributions (GPDs) of pion for non-zero skewness by considering the leading $| q \bar{q} \rangle$ Fock state component. Inspired from AdS/QCD light-front wave functions, we calculate the pion GPDs. By taking the Fourier ... More
Charge and longitudinal momentum distributions in transverse coordinate spaceAug 03 2016We investigate the charge distributions for the $u$ and $d$ quarks in transverse coordinate space in a light-front quark-diquark model for the nucleons using the overlaps of the wave functions constructed from the soft-wall AdS/QCD prediction. We have ... More
Implications of η' Coupling in the Chiral Constituent Quark ModelFeb 14 2007Using the latest data pertaining to \bar u-\bar d asymmetry and the spin polarization functions, detailed implications of the possible values of the coupling strength of the singlet Goldstone boson \eta' have been investigated in the \chiCQM with configuration ... More
Chiral constituent quark model and the coupling strength of eta'May 26 2005Jan 21 2006Using the latest data pertaining to \bar u-\bar d asymmetry and the spin polarization functions, detailed implications of the possible values of the coupling strength of the singlet Goldstone boson \eta' have been investigated in the \chiCQM with configuration ... More
Semi-leptonic Octet Baryon Weak Axial-Vector Form Factors in the Chiral Constitutent Quark ModelDec 19 2008The weak vector and axial-vector form factors have been investigated for the semi-leptonic octet baryon decays in the chiral constituent quark model with configuration mixing (\chiCQM_{config}). The effects of SU(3) symmetry breaking and configuration ... More
Twist-2 Pseudoscalar and Vector Meson Distribution Amplitudes in Light-Front Quark Model with Exponential-type Confining PotentialFeb 25 2019Jul 25 2019We study the twist-2 distribution amplitudes (DAs) and the decay constants of pseudoscalar light ($\pi$, $K$) and heavy ($D$, $D_s$, $B$, $B_s$) mesons as well as the longitudinally and transversely polarized vector light ($\rho$, $K^*$) and heavy ($D^*$, ... More
Octet magnetic moments and the violation of CGSR in $χ$QM with configuration mixingMar 02 2002Octet baryon magnetic moments are calculated within \chiQM, respecting color spin spin forces (Szczepaniak et al., PRL 87, 072001(2001)), incorporating the orbital angular momentum as well as the quark sea contribution through the Cheng and Li mechanism ... More
Electromagnetic and Axial-Vector Form Factors of the Quarks and NucleonNov 01 2017In light of the improved precision of the experimental measurements and enormous theoretical progress, the nucleon form factors have been evaluated with an aim to understand how the static properties and dynamical behavior of nucleons emerge from the ... More
Study of spin-spin correlations between quark and a spin-$\frac{1}{2}$ particleJun 11 2019We study the correlation between the fermion composite system and quark spins by using the light-cone quark-diquark model. We do the calculations for $u$-quark and $d$-quark in the fermion system by considering the different polarization configrations ... More
Transverse distortion of a relativistic composite system in impact parameter spaceFeb 04 2015We investigate the Generalized Parton Distributions (GPDs) in impact parameter space using the explicit light front wave functions (LFWFs) for the two-particle Fock state of the electron in QED. The Fourier transform (FT) of the GPDs gives the distribution ... More
Nonperturbative Quark Sea AsymmetriesAug 27 2010The effects of nonperturbatively generated ``quark sea'' have been investigated to determine the flavor structure of the octet baryons. The chiral constituent quark model ($\chi$CQM), which is known to provide a satisfactory explanation of the proton ... More
Quadrupole moments of low lying baryons with spin 1/2^+, spin 3/2^+, and spin 3/2^+ \to 1/2^+ transitionsFeb 18 2013The chiral constituent quark model (\chiCQM) with general parameterization (GP) method has been formulated to calculate the quadrupole moments of the spin 3/2^+ decuplet baryons and spin 3/2^+ \to 1/2^+ transitions. The implications of such a model have ... More
Strangeness and meson-nucleon sigma termsJul 20 2011The chiral constituent quark model ($\chi$CQM) has been extended to calculate the flavor structure of the nucleon through the meson-nucleon sigma terms which have large contributions from the quark sea and are greatly affected by chiral symmetry breaking ... More
Quark sea asymmetries of the octet baryonsMay 31 2010The effects of "quark sea" in determining the flavor structure of the octet baryons have been investigated in the chiral constituent quark model (\chiCQM). The \chiCQM is able to qualitatively generate the requisite amount of quark sea and is also known ... More
Ratios of vector and pseudoscalar $B$ meson decay constants in the light-cone quark modelFeb 13 2018Feb 22 2018We study the decay constants of pseudoscalar and vector $B$ meson in the framework of light-cone quark model (LCQM). We apply the variational method to the relativistic Hamiltonian with the Gaussian-type trial wave function to obtain the values of $\beta$ ... More
Axial-vector form factors for the low lying octet baryons in the chiral quark constituent modelSep 17 2014We have calculated the axial-vector form factors of the low lying octet baryons ($N$, $\Sigma$, $\Xi$ and $\Lambda$) in the chiral constituent quark model ($\chi$CQM). In particular, we have studied the implications of chiral symmetry breaking and SU(3) ... More
Generalized Parton Distributions of proton for non zero skewness in transverse and longitudinal position spacesJan 20 2015We investigate the Generalized Parton Distributions(GPDs) of proton by expressing them in terms of overlaps of light front wave functions (LFWFs) using a simulated model which is able to qualitatively improve the convergence near the end points of $x$. ... More
Impact parameter space and transverse distortionOct 13 2014Oct 15 2014We investigate the GPDs in impact parameter space using the explicit light front wave functions (LFWFs) for the two-particle Fock state of the electron in QED. The Fourier transform (FT) of the GPDs gives the distribution of quarks in the transverse plane ... More
Transverse momentum dependent parton distributions of pion in the light-front holographic modelAug 23 2019Using the light-front holographic model, we study the transverse momentum dependent parton distributions (TMDs) for the case of pion. At leading twist, the unpolarized parton distribution function $ f_{1\pi}(x,\bfk^{2}) $ and the Boer-Mulders function ... More
Decay constants of pseudoscalar and vector $B$ and $D$ mesons in the light-cone quark modelAug 24 2017Mar 05 2018We have studied the decay constants of the pseudoscalar and the vector $B$ and $D$ mesons in the framework of the light-cone quark model. We have applied a variational method to the relativistic Hamiltonian with the Gaussian-type trial wave function to ... More
Nucleon structure functions and longitudinal spin asymmetries in the chiral quark constituent modelJun 21 2016We have analysed the phenomenological dependence of the spin independent ($F_1^{p,n}$ and $F_2^{p,n}$) and the spin dependent ($g_1^{p,n}$) structure functions of the nucleon on the the Bjorken scaling variable $x$ using the unpolarized distribution functions ... More
Single Transverse Spin Asymmetries in Semi-inclusive Deep Inelastic Scattering in a Spin-1 Diquark ModelApr 15 2015The observed results for the azimuthal single spin asymmetries (SSAs) of the proton, measured in the semi-inclusive deep inelastic scattering (SIDIS), can be explained by the final-state interaction (FSI) from the gluon exchange between the outgoing quark ... More
Charge and magnetization densities in transverse coordinate and impact parameter spaceNov 04 2014Electromagnetic form factors obtained from the overlap of light front wave functions (LFWFs) have been used to study the transverse densities of charge and magnetization. The calculations have been carried out to develop a relation between the charge ... More
In-medium masses and magnetic moments of decuplet baryonsNov 13 2018The magnetic moments of baryon decuplet are studied in vacuum as well as in the symmetric nuclear matter at finite temperature using a chiral SU(3) quark mean field model approach. The contributions coming from the valence quarks, quark sea and the orbital ... More
Magnetic moments of $J^P=\frac{3}{2}^+$ decuplet baryons using effective quark masses in chiral constituent quark modelAug 03 2015The magnetic moments of $J^P=\frac{3}{2}^+$ decuplet baryons have been calculated in the chiral constituent quark model ($\chi$CQM) with explicit results for the contribution coming from the valence quark polarizations, sea quark polarizations, and their ... More
Magnetic Moments of Octet Baryons in Hot and Dense Nuclear MatterAug 11 2016Jun 30 2017We have calculated the in-medium magnetic moments of octet baryons in the presence of hot and dense symmetric nuclear matter. Effective magnetic moments of baryons have been derived from medium modified quark masses within chiral SU(3) quark mean field ... More
Singlet GB contributions in the chiral constituent quark modelSep 06 2004The implications of the latest data pertaining to \bar u-\bar d asymmetry and the spin polarization functions on the contributions of singlet Goldstone boson \eta' within \chiCQM with configuration mixing for explaining the ``proton spin problem'' have ... More
Weak vector and axial-vector form factors in the chiral constituent quark model with configuration mixingApr 15 2009The effects of SU(3) symmetry breaking and configuration mixing have been investigated for the weak vector and axial-vector form factors in the chiral constituent quark model (\chi CQM) for the strangeness changing as well as strangeness conserving semi-leptonic ... More
Magnetic moments of the low-lying {1/2}^- octet baryon resonancesJul 13 2012Jan 21 2013The magnetic moments of the negative parity octet resonances with spin {1/2}: $N^*$(1535), $N^*$(1650), $\Sigma^*$(1620), and $\Xi^*$(1690) have been calculated within the framework of the chiral constituent quark model. In this approach, the presence ... More
Twist-2 Pseudoscalar and Vector Meson Distribution Amplitudes in Light-Front Quark Model with Exponential-type Confining PotentialFeb 25 2019We study the twist-2 distribution amplitudes (DAs) and the decay constants of pseudoscalar light ($\pi$, $K$) and heavy ($D$, $D_s$, $B$, $B_s$) mesons as well as the longitudinally and transversely polarized vector light ($\rho$, $K^*$) and heavy ($D^*$, ... More
Charge and longitudinal momentum distributions in transverse coordinate spaceAug 03 2016Mar 27 2017We investigate the charge distributions for the $u$ and $d$ quarks in transverse coordinate space in a light-front quark-diquark model for the nucleons using the overlaps of the wave functions constructed from the soft-wall AdS/QCD prediction. We have ... More
A Statistical Block Fading Channel Model for Multiuser Massive MIMO SystemMar 04 2016This paper presents a statistical block fading channel model for multiuser massive MIMO system. The proposed channel model is evolved from correlation based stochastic channel model (CBSCM) but in addition to the properties of CBSCM, it has capability ... More
Ordered Line Integral Methods for Computing the Quasi-potentialJun 22 2017Nov 26 2017The quasi-potential is a key function in the Large Deviation Theory. It characterizes the difficulty of the escape from the neighborhood of an attractor of a stochastic non-gradient dynamical system due to the influence of small white noise. It also gives ... More
Knowledge Management System Design using Extended GaiaFeb 10 2011Feb 17 2011An efficient Learning resource centre can be achieved with the help of a network of collaborating, coordinating and communicating software agents. Agent-oriented techniques represent an exciting new means of analysing, designing and building complex software ... More
NJL model in Four Dimension at Finite Temperature, Chemical Potentialand CurvatureNov 28 2000Two flavor Nambu-Jona-Lasinio model with N components is studied in curved space time at finite temperature and density in the leading 1/N expansion. In four space time dimension the model exhibits first order phase transition for positive curvature. ... More
Comparing Writing Styles using Word Embedding and Dynamic Time WarpingNov 05 2015The development of plot or story in novels is reflected in the content and the words used. The flow of sentiments, which is one aspect of writing style, can be quantified by analyzing the flow of words. This study explores literary works as signals in ... More
Chiral symmetry in linear Sigma model in magnetic environmentJun 15 1999Jul 13 2000We study the chiral symmetry structure in a linear sigma model with fermions in the presence of an external, uniform magnetic field in the 'effective potential' approach at the one loop level. We also study the chiral phase transition as a function of ... More
An Ordered Line Integral Method for Computing the Quasi-potential in the case of Variable Anisotropic DiffusionJun 14 2018Jun 30 2018Nongradient stochastic differential equations (SDEs) with position-dependent and anisotropic diffusion are often used in biological modeling. The quasi-potential is a crucial function in the Large Deviation Theory that allows one to estimate transition ... More
Want Answers? A Reddit Inspired Study on How to Pose QuestionsDec 06 2015Questions form an integral part of our everyday communication, both offline and online. Getting responses to our questions from others is fundamental to satisfying our information need and in extending our knowledge boundaries. A question may be represented ... More
Parton Distributions in Impact Parameter SpaceMay 24 2007Fourier transform of the generalized parton distributions (GPDs) at zero skewness with respect to the transverse momentum transfer gives the distribution of partons in the impact parameter space. We investigate the GPDs as well as the impact parameter ... More
Stochastic Trust Region Inexact Newton Method for Large-scale Machine LearningDec 26 2018Jun 08 2019Nowadays stochastic approximation methods are one of the major research direction to deal with the large-scale machine learning problems. From stochastic first order methods, now the focus is shifting to stochastic second order methods due to their faster ... More
SAAGs: Biased Stochastic Variance Reduction Methods for Large-scale LearningJul 24 2018Apr 06 2019Stochastic approximation is one of the effective approach to deal with the large-scale machine learning problems and the recent research has focused on reduction of variance, caused by the noisy approximations of the gradients. In this paper, we have ... More
Stochastic Trust Region Inexact Newton Method for Large-scale Machine LearningDec 26 2018Nowadays stochastic approximation methods are one of the major research direction to deal with the large-scale machine learning problems. From stochastic first order methods, now the focus is shifting to stochastic second order methods due to their faster ... More
Analytical Study of Object Components for Distributed and Ubiquitous Computing EnvironmentFeb 10 2011Feb 17 2011The Distributed object computing is a paradigm that allows objects to be distributed across a heterogeneous network, and allows each of the components to interoperate as a unified whole. A new generation of distributed applications, such as telemedicine ... More
Investigating Unitarity in Presence of Anomalous CouplingsNov 18 2013Feb 17 2016We perform a model independent analysis of the helicity amplitudes at high energy for all the $2\to2$ scattering processes involving gauge and Higgs bosons in the presence of anomalous $WWV$, $WWVV$, $VVH$, $VVHH$ ($V\equiv Z,\gamma$ and $W^\pm$), $HHHH$ ... More
Constraining Unparticles from Top Physics at TeVatronJun 23 2012Nov 27 2012We study and analyze the recent observations of the top pair production $\sigma (p\bar p\to t \bar t)$ at TeVatron through flavor conserving and flavor violating channels ${\it via}$ vector and tensor unparticles. The unparticle sector is considered with ... More
Symmetry structure and phase transitionsJan 22 2002We study chiral symmetry structure at finite density and temperature in the presence of external magnetic field and gravity, a situation relevant in the early Universe and in the core of compact stars. We then investigate the dynamical evolution of phase ... More
LIBS2ML: A Library for Scalable Second Order Machine Learning AlgorithmsApr 20 2019LIBS2ML is a library based on scalable second order learning algorithms for solving large-scale problems, i.e., big data problems in machine learning. LIBS2ML has been developed using MEX files, i.e., C++ with MATLAB/Octave interface to take the advantage ... More
SAAGs: Biased Stochastic Variance Reduction Methods for Large-scale LearningJul 24 2018Dec 24 2018Stochastic approximation is one of the effective approach to deal with the large-scale machine learning problems and the recent research has focused on reduction of variance, caused by the noisy approximations of the gradients. In this paper, we have ... More
Faster Learning by Reduction of Data Access TimeJan 18 2018Jul 25 2018Nowadays, the major challenge in machine learning is the Big Data challenge. The big data problems due to large number of data points or large number of features in each data point, or both, the training of models have become very slow. The training time ... More
Implementation of Portion Approach in Distributed Firewall Application for Network Security FrameworkJan 22 2012The stimulate of this research seeks collaboration of firewalls which, could reach to the capability of distributed points of security policy; the front-end entity may much interact by the invaders so the separation between this entity and back-end entity ... More
Forensic Analysis of Instant Messenger Applications on Android DevicesApr 17 2013This paper focuses on conducting forensic data analysis of 2 widely used IMs applications on Android phones WhatsApp and Viber. The tests and analysis were performed with the aim of determining what data and information can be found on the devices internal ... More
Robotic Tactile Perception of Object Properties: A ReviewNov 10 2017Touch sensing can help robots understand their sur- rounding environment, and in particular the objects they interact with. To this end, roboticists have, in the last few decades, developed several tactile sensing solutions, extensively reported in the ... More
Curriculum Learning Strategies for Hindi-English Codemixed Sentiment AnalysisJun 18 2019Sentiment Analysis and other semantic tasks are commonly used for social media textual analysis to gauge public opinion and make sense from the noise on social media. The language used on social media not only commonly diverges from the formal language, ... More
Coupled antiferromagnetic-ferroelectric transition, higher compensation temperature and enhanced exchange bias in SmFeO3 nanoparticlesNov 09 2016In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas, including therapeutics, ... More
Nanosize effect: Enhanced compensation temperature and existence of magneto-dielectric coupling in SmFeO3Nov 09 2016Jun 29 2017In transition metal oxides, quantum confinement arising from a large surface to volume ratio often gives rise to novel physico-chemical properties at nanoscale. Their size dependent properties have potential applications in diverse areas, including therapeutics, ... More