Publications (146)
The footprint of nuclear saturation properties on the neutron star mode oscillation frequencies: a machine learning approach
Deepak Kumar, Tuhin Malik, Hiranmaya Mishra
We investigate the intricate relationships between the non-radial \(f\) mode oscillation frequencies of neutron stars (NS)s and the corresponding nuclear matter equation of state (…
Analyzing the dense matter equation of states in the light of the compact object HESS J1731-347
Skund Tewari, Sagnik Chatterjee, Deepak Kumar +1
The recent mass () and radius () measurement of HESS J1731-347 made it one of the most fascinating object if it i…
Krutrim LLM: Multilingual Foundational Model for over a Billion People
Aditya Kallappa, Palash Kamble, Abhinav Ravi +10
India is a diverse society with unique challenges in developing AI systems, including linguistic diversity, oral traditions, data accessibility, and scalability. Existing foundatio…
Electromagnetic Crimping on Threaded Surface: FEM Modelling, Validation and Effects of Pitch and Discharge Energy on Deformation in an Empirical Relation
Deepak Kumar, Shafeeque E. S., Sachin D. Kore +1
Electromagnetic crimping is a high-velocity joining method to join highly conductive workpieces where a pulsed magnetic field is applied without any working medium or mechanical co…
Linear programming word problems formulation using EnsembleCRF NER labeler and T5 text generator with data augmentations
JiangLong He, Mamatha N, Shiv Vignesh +2
We propose an ensemble approach to predict the labels in linear programming word problems. The entity identification and the meaning representation are two types of tasks to be sol…
GroundLink: A Dataset Unifying Human Body Movement and Ground Reaction Dynamics
Xingjian Han, Benjamin Senderling, Stanley To +3
The physical plausibility of human motions is vital to various applications in fields including but not limited to graphics, animation, robotics, vision, biomechanics, and sports s…
Comparing Femtosecond Optical Tweezers with Conventional CW Optical Tweezers
Ajitesh Singh, Krishna Kant Singh, Deepak Kumar +1
In this work, we present a comparative study between continuous-wave (CW) and pulsed optical tweezers for 250 nm, 500 nm and 1-micron radius polystyrene beads at 5 different laser…
Constraining the neutron star equation of state by including the isoscalar-vector and isovector-vector coupling using the Bayesian analysis
Deepak Kumar, Pradip Kumar Sahu
We constrain the nuclear matter equation of state within the relativistic mean field model by including the isoscalar-vector and isovector-vector coupling term at a fundamental lev…
CERTainty: Detecting DNS Manipulation at Scale using TLS Certificates
Elisa Tsai, Deepak Kumar, Ram Sundara Raman +3
DNS manipulation is an increasingly common technique used by censors and other network adversaries to prevent users from accessing restricted Internet resources and hijack their co…
Tool Attention Is All You Need: Dynamic Tool Gating and Lazy Schema Loading for Eliminating the MCP/Tools Tax in Scalable Agentic Workflows
Anuj Sadani, Deepak Kumar
The Model Context Protocol (MCP) has become a common interface for connecting large language model (LLM) agents to external tools, but its reliance on stateless, eager schema injec…
A qualitative study of (p,q) Singular parabolic equations: local existence, Sobolev regularity and asymptotic behaviour
Jacques Giacomoni, Deepak Kumar, K. Sreenadh
The purpose of the article is to study the existence, regularity, stabilization and blow up results of weak solution to the following parabolic -singular equation: \begin{eq…
Anomalous transport and phonon renormalization in a chain with transverse and longitudinal vibrations
Santhosh G, Deepak Kumar
We study thermal transport in a chain of coupled atoms, which can vibrate in longitudinal as well as transverse directions. The particles interact through anharmonic potentials upt…
The Effect of Corneal Topography and Mucins on Tear Film Rupture
Deepak Kumar, S Pushpavanam
Tear film rupture on the corneal surface plays a critical role in ocular health and visual comfort. Conventional theoretical approaches often idealize the cornea as a perfectly smo…
Enhancing Contrast and Resolution for Electron-beam Lithography on Insulating Substrates
Deepak Kumar, Cooper Meyers, RJ Smith +1
We report on the effect of ambient gas on the contrast and the resolution of electron beam lithography (EBL) in gaseous environments on insulating substrates. Poly(methyl methacryl…
No Calm in The Storm: Investigating QAnon Website Relationships
Hans W. A. Hanley, Deepak Kumar, Zakir Durumeric
QAnon is a far-right conspiracy theory whose followers largely organize online. In this work, we use web crawls seeded from two of the largest QAnon hotbeds on the Internet, Voat a…
Surface energy-driven crumpling transition in a thin sheet under compression
Aashna Chawla, Deepak Kumar
In our common experience, crumpling a sheet requires external compressive force and leads to a random network of folds. However, thin sheets have been theoretically predicted to sp…
A controllable single photon beam-splitter as a node of a quantum network
Gaurav Gautam, Santosh Kumar, Saikat Ghosh +1
A model for a controlled single-photon beam-splitter is proposed and analysed. It consists of two crossed optical-cavities with overlapping waists, dynamically coupled to a single…
The Murchison Widefield Array: Design Overview
Colin J. Lonsdale, Roger J. Cappallo, Miguel F. Morales +45
The Murchison Widefield Array (MWA) is a dipole-based aperture array synthesis telescope designed to operate in the 80-300 MHz frequency range. It is capable of a wide range of sci…
Multimodal AI on Wound Images and Clinical Notes for Home Patient Referral
Reza Saadati Fard, Emmanuel Agu, Palawat Busaranuvong +4
Chronic wounds affect 8.5 million Americans, particularly the elderly and patients with diabetes. These wounds can take up to nine months to heal, making regular care essential to…
Use of Metric Learning for the Recognition of Handwritten Digits, and its Application to Increase the Outreach of Voice-based Communication Platforms
Devesh Pant, Dibyendu Talukder, Deepak Kumar +3
Initiation, monitoring, and evaluation of development programmes can involve field-based data collection about project activities. This data collection through digital devices may…
Explainable, Multi-modal Wound Infection Classification from Images Augmented with Generated Captions
Palawat Busaranuvong, Emmanuel Agu, Reza Saadati Fard +4
Infections in Diabetic Foot Ulcers (DFUs) can cause severe complications, including tissue death and limb amputation, highlighting the need for accurate, timely diagnosis. Previous…
Watch Your Language: Investigating Content Moderation with Large Language Models
Deepak Kumar, Yousef AbuHashem, Zakir Durumeric
Large language models (LLMs) have exploded in popularity due to their ability to perform a wide array of natural language tasks. Text-based content moderation is one LLM use case t…
Dynamics of QCD Matter -- current status
Amaresh Jaiswal, Najmul Haque, Aman Abhishek +58
In this article, there are 18 sections discussing various current topics in the field of relativistic heavy-ion collisions and related phenomena, which will serve as a snapshot of…
CP violation in cold dense quark matter and axion effects on the non-radial oscillations of neutron stars
Deepak Kumar, Hiranmaya Mishra
Charge-conjugation and parity violation in strong interaction for cold dense quark matter is studied with axions of quantum chromodynamic within the three flavor Nambu--Jona-Lasini…
End-to-End Waveform and Beamforming Optimization for RF Wireless Power Transfer
Abdul Basit Khattak, Onel L. A. López, Amirhossein Azarbahram +2
Radio frequency (RF) wireless power transfer (WPT) is a key technology for future low-power wireless systems. However, the inherently low end-to-end power transfer efficiency (PTE)…
Locale-Conditioned Few-Shot Prompting Mitigates Demonstration Regurgitation in On-Device PII Substitution with Small Language Models
Anuj Sadani, Deepak Kumar
Personally Identifiable Information (PII) redaction usually replaces detected entities with placeholder tokens such as [PERSON], destroying the downstream utility of the redacted t…
Infection-Reasoner: A Compact Vision-Language Model for Wound Infection Classification with Evidence-Grounded Clinical Reasoning
Palawat Busaranuvong, Reza Saadati Fard, Emmanuel Agu +4
Assessing chronic wound infection from photographs is challenging because visual appearance varies across wound etiologies, anatomical locations, and imaging conditions. Prior imag…
Lambda Learner: Fast Incremental Learning on Data Streams
Rohan Ramanath, Konstantin Salomatin, Jeffrey D. Gee +5
One of the most well-established applications of machine learning is in deciding what content to show website visitors. When observation data comes from high-velocity, user-generat…
Transition of a particle between adjacent optical traps: A study using catastrophe theory
Deepak Kumar, Shankar Ghosh, S. Bhattacharya
In spite of the widespread use of optical tweezers as a quantitative tool to measure small forces, there exists no unambiguous and simple experimental method for either validating…
Calibrated uncertainty for wide-angle crustal models: how firmly is the Dharwar Craton Moho actually constrained?
Deepak Kumar, Laxmidhar Behera, Wojciech Czuba
The paper assesses how well the Moho depth beneath the Dharwar Craton is constrained by applying calibrated uncertainty analysis and bootstrap validation to a large wide-angle seis…
Metal-insulator transitions in tetrahedral semiconductors under lattice change
Shailesh Shukla, Deepak Kumar, Nitya Nath Shukla +1
Although most insulators are expected to undergo insulator to metal transition on lattice compression, tetrahedral semiconductors Si, GaAs and InSb can become metallic on compressi…
Feasibility of the J-PET to monitor range of therapeutic proton beams
Jakub Baran, Damian Borys, Karol BrzeziÅski +40
Objective: The aim of this work is to investigate the feasibility of the Jagiellonian Positron Emission Tomography (J-PET) scanner for intra-treatment proton beam range monitoring.…
Designing Toxic Content Classification for a Diversity of Perspectives
Deepak Kumar, Patrick Gage Kelley, Sunny Consolvo +5
In this work, we demonstrate how existing classifiers for identifying toxic comments online fail to generalize to the diverse concerns of Internet users. We survey 17,280 participa…
First ex-vivo positronium imaging of tissues with modular J-PET scanner using Sc radionuclide
Karol Kubat, Manish Das, Sushil Sharma +41
This study presents the first ex-vivo positronium imaging of human tissues using the modular J-PET scanner with the Sc radionuclide. The Sc isotope was produced via t…
Global regularity results for non-homogeneous growth fractional problems
Jacques Giacomoni, Deepak Kumar, K. Sreenadh
This article concerns with the global Hölder regularity of weak solutions to a class of problems involving the fractional -Laplacian, denoted by $(-Î)^{s_1}_{p}+(-Î)^{s_2…
Effect of Magnetic Field on Aqueous Humor Flows Inside Anterior Chamber of Human Eye
Deepak Kumar, Subramaniam Pushpavanam
Aqueous humor (AH) dynamics is responsible for maintaining intraocular pressure, ocular health and targeted drug delivery within the eye. This study investigates the flow of AH wit…
Modification of the universal relation between mass, radius and nonradial -mode oscillation in proto-neutron stars
Deepak Kumar, Asit Karan, Anshuman Verma +2
Neutron stars are usually assumed to be cold; however, in certain dynamical astrophysical scenarios such as newly born neutron stars or binary star mergers, the temperature effects…
Investigation of the phase separation property in LaPrCaMnO manganite
Deepak Kumar, Ashwin A. Tulapurkar, C. V. Tomy
We report a comprehensive investigation of La0.2Pr0.4Ca0.4MnO3 to clarify the micrometre scale phase separation phenomenon in the mixed valent manganite (La,Pr,Ca)MnO3. The compoun…
Effect of Decoherence on Bell's Inequality for an EPR Pair
A. Venugopalan, Deepak Kumar, R. Ghosh
According to Bell's theorem, the degree of correlation between spatially separated measurements on a quantum system is limited by certain inequalities if one assumes the condition…
First positronium imaging using Sc with the J-PET scanner: a case study on the NEMA-Image Quality phantom
Manish Das, Sushil Sharma, Aleksander Bilewicz +41
Positronium Lifetime Imaging (PLI), an emerging extension of conventional positron emission tomography (PET) imaging, offers a novel window for probing the submolecular properties…
On periodic and compactly supported least energy solutions to semilinear elliptic equations with non-Lipschitz nonlinearity
Jacques Giacomoni, Yavdat Il'yasov, Deepak Kumar
We discuss the existence and non-existence of periodic in one variable and compactly supported in the other variables least energy solutions for equations with non-Lipschitz nonlin…
Analysis of the Stern-Gerlach Measurement
A. Venugopalan, Deepak Kumar, R. Ghosh
A dynamical model for the collapse of the wave function in a quantum measurement process is proposed by considering the interaction of a quantum system (spin-1/2) with a macroscopi…
Singular elliptic problems with unbalanced growth and critical exponent
Deepak Kumar, V. D. Radulescu, K. Sreenadh
In this article, we study the existence and multiplicity of solutions of the following -Laplace equation with singular nonlinearity: \begin{equation*} \left\{\begin{array}{r…
SWE-PRBench: Benchmarking AI Code Review Quality Against Pull Request Feedback
Deepak Kumar
We introduce SWE-PRBench, a benchmark of 350 pull requests with human-annotated ground truth for evaluating AI code review quality. Evaluated against an LLM-as-judge framework vali…
Comparative studies of the sensitivities of sparse and full geometries of Total-Body PET scanners built from crystals and plastic scintillators
Meysam Dadgar, Szymon Parzych, Jakub Baran +28
Background: Total-Body imaging offers high sensitivity, single-bed position, and low dose, but high construction costs limit worldwide utilization. This study compares existing and…
Thermoelectric transport coefficients of quark matter
Aman Abhishek, Arpan Das, Deepak Kumar +1
A thermal gradient and/or a chemical potential gradient in a conducting medium can lead to an electric field, an effect known as thermoelectric effect or Seebeck effect. In the con…
Interior and boundary regularity results for strongly nonhomogeneous -fractional problems
Jacques Giacomoni, Deepak Kumar, K. Sreenadh
In this article, we deal with the global regularity of weak solutions to a class of problems involving the fractional -Laplacian, denoted by $(-Î)^{s_1}_{p}+(-Î)^{s_2}_{q}…
Realistic Total-Body J-PET Geometry Optimization -- Monte Carlo Study
Jakub Baran, Wojciech Krzemien, Lech RaczyÅski +31
Total-Body PET is one of the most promising medical diagnostics modalities. The high sensitivity provided by Total-Body technology can be advantageous for novel tomography methods…
Eulerian formulation of the constitutive relation for an electro-magneto-elastic material class
Deepak Kumar
A novel class of electro-magneto-elastic (EME) materials comprise electro-active and magneto-active particles in the polymer matrix that change their elastic behavior with an appli…
Relaxation dynamics of the three-dimensional Coulomb Glass model
Preeti Bhandari, Vikas Malik, Deepak Kumar +1
In this paper, we analyze the dynamics of the Coulomb Glass lattice model in three dimensions near a local equilibrium state by using mean-field approximations. We specifically foc…
Constraints on maximum neutron star mass from proto-neutron star evolution
Deepak Kumar, Tuhin Malik, Hiranmaya Mishra +1
A proto-neutron star (PNS) gets formed after a successful supernova when the stellar remnant decouples from the ejecta. In this study, we explore a relativistic framework for the f…
Dynamic Optimization for Monoclonal Antibody Production
Morten Wahlgreen Kaysfeld, Deepak Kumar, Marcus Krogh Nielsen +1
This paper presents a dynamic optimization numerical case study for Monoclonal Antibody (mAb) production. The fermentation is conducted in a continuous perfusion reactor. We repres…
Towards the Biconjugate of Bivariate Piecewise Quadratic Functions
Deepak Kumar, Yves Lucet
Computing the closed convex envelope or biconjugate is the core operation that bridges the domain of nonconvex with convex analysis. We focus here on computing the conjugate of a b…
Unbalanced -fractional problems with critical growth
Deepak Kumar, K. Sreenadh
We study the existence, multiplicity and regularity results of non-negative solutions of following doubly nonlocal problem: $$ (P_\la) \left\{ \begin{array}{lr}\ds \quad (-Î)^{s_1…
Robust universal relations in neutron star asteroseismology
Deepak Kumar, Tuhin Malik, Hiranmaya Mishra +1
The non-radial oscillations of the neutron stars (NSs) have been suggested as a useful tool to probe the composition of neutron star matter (NSM). With this scope in mind, we consi…
Generalization of Some Well-Known Polynomial Inequalities for the Modified Smirnov Operator
Deepak Kumar, Dinesh Tripathi, Sunil Hans
Let be a polynomial of degree . In this paper, we consider the modified Smirnov operator, which carries a polynomial into $\tilde{\mathbb{S}}_a[P](z)=(1+az)P'(z)-n…
Complexities in the growth and stabilization of polar phase in the HfZrO thin films grown by Pulsed Laser Deposition
Deepak Kumar
After the discovery of ferroelectricity in HfO based thin films a decade ago, ferroelectric HfZrO (HZO) thin films are frequently being utilized in the CMOS…
Happenstance: Utilizing Semantic Search to Track Russian State Media Narratives about the Russo-Ukrainian War On Reddit
Hans W. A. Hanley, Deepak Kumar, Zakir Durumeric
In the buildup to and in the weeks following the Russian Federation's invasion of Ukraine, Russian state media outlets output torrents of misleading and outright false information.…
Data Hiding in Binary Image using Block Parity
Sipendra Sinha, Amol Gaikwad, Deepak Kumar +3
Secret data hiding in binary images is more difficult than other formats since binary images require only one bit representation to indicate black and white. This study proposes a…
Discrete symmetries tested at 10 precision using linear polarization of photons from positronium annihilations
PaweÅ Moskal, Eryk CzerwiÅski, Juhi Raj +38
Discrete symmetries play an important role in particle physics with violation of CP connected to the matter-antimatter imbalance in the Universe. We report the most precise test of…
Predictions of Modular Symmetry Fixed Points on Neutrino Masses, Mixing, and Leptogenesis
Priya, B. C. Chauhan, Deepak Kumar +1
In recently proposed framework of non-holomorphic modular symmetry introduces the concept of negative and zero modular weight of Yukawa couplings. These Yukawa couplings are functi…
A Golden Age: Conspiracy Theories' Relationship with Misinformation Outlets, News Media, and the Wider Internet
Hans W. A. Hanley, Deepak Kumar, Zakir Durumeric
Do we live in a "Golden Age of Conspiracy Theories?" In the last few decades, conspiracy theories have proliferated on the Internet with some having dangerous real-world consequenc…
GAViD: A Large-Scale Multimodal Dataset for Context-Aware Group Affect Recognition from Videos
Deepak Kumar, Abhishek Pratap Singh, Puneet Kumar +2
Understanding affective dynamics in real-world social systems is fundamental to modeling and analyzing human-human interactions in complex environments. Group affect emerges from i…
Axion effects on the non-radial oscillations of neutron stars
Deepak Kumar, Hiranmaya Mishra
The effects of axions on quark matter equation of state (EOS) is studied within the three flavor Nambu--Jona-Lasinio model and its effects on on the non-radial oscillations of neut…
The Capacity of Private Information Retrieval from Uncoded Storage Constrained Databases
Mohamed Adel Attia, Deepak Kumar, Ravi Tandon
Private information retrieval (PIR) allows a user to retrieve a desired message from a set of databases without revealing the identity of the desired message. The replicated databa…
Some Compact Generalization of Bernstein-Type Inequalities Preserved by Modified Smirnov Operator
Deepak Kumar, D. Tripathi, Sunil Hans
Let be a polynomial of degree . In , Aziz and Rather \cite{aziz2004some} investigated the dependence of \[\bigg|P(Rz)-αP(z)+β\biggl\{\biggl(\frac{R+1}{2}\biggr)^n…
Additivity of Reverse Derivable Maps
Gurninder Singh Sandhu, Deepak Kumar
Let be any ring containing a non-tivial idempotent element . Let be a mapping such that for all . In this note, our…
Regularity results for a class of nonlocal double phase equations with VMO coefficients
Sun-Sig Byun, Kyeongbae Kim, Deepak Kumar
We study a class of nonlocal double phase problems with discontinuous coefficients. A local self-improving property and a higher Hölder continuity result for weak solutions to suc…
Understanding Longitudinal Behaviors of Toxic Accounts on Reddit
Deepak Kumar, Jeff Hancock, Kurt Thomas +1
Toxic comments are the top form of hate and harassment experienced online. While many studies have investigated the types of toxic comments posted online, the effects that such con…
Umklapp Processes for Electrons and Their Renormalisation Group Flow
Deepak Kumar, R. Rajaraman
We study Umklapp couplings and their renormalisation group flow for electrons in a two dimensional lattice. It is shown that the effective low energy Hamiltonian involves not only…
Unbalanced fractional elliptic problems with exponential nonlinearity: subcritical and critical cases
Deepak Kumar, V. Radulescu, K. Sreenadh
This paper deals with the qualitative analysis of solutions to the following -fractional equation: \begin{equation*} \begin{array}{rllll} (-Î)^{s_1}_{p}u+(-Î)^{s_2}_{q}u+V…
First Positronium Lifetime Imaging using Mn and Co with a plastic-based PET scanner
Manish Das, Sushil Sharma, Ermias Yitayew Beyene +45
Positronium Lifetime Imaging (PLI) extends positron emission tomography by using the lifetime of positronium atoms as a probe of tissue molecular architecture. In this work, we rep…
Private Information Retrieval from Storage Constrained Databases -- Coded Caching meets PIR
Maryam Abdul-Wahid, Firas Almoualem, Deepak Kumar +1
Private information retrieval (PIR) allows a user to retrieve a desired message out of possible messages from databases without revealing the identity of the desired messag…
A Digital-Receiver for the Murchison Widefield Array
Thiagaraj Prabu, K. S. Srivani, D. Anish Roshi +55
An FPGA-based digital-receiver has been developed for a low-frequency imaging radio interferometer, the Murchison Widefield Array (MWA). The MWA, located at the Murchison Radio-ast…
Heterodyne interferometer with unequal path lengths
Deepak Kumar, Paul M. Bellan
Laser interferometry is an extensively used diagnostic for plasma experiments. Existing plasma interferometers are designed on the presumption that the scene and reference beam pat…
An exact analytical scheme using a new potential to solve one-dimensional quantum systems
Saravanan Rajendran, Deepak Kumar, Aniruddha Chakraborty
We propose an exact method for solving a one-dimensional Schrödinger equation. An arbitrary potential is represented by the collection of short-width potentials. For building the…
Modular and On-demand Bias Mitigation with Attribute-Removal Subnetworks
Lukas Hauzenberger, Shahed Masoudian, Deepak Kumar +2
Societal biases are reflected in large pre-trained language models and their fine-tuned versions on downstream tasks. Common in-processing bias mitigation approaches, such as adver…
Li-induced reaction on Mo: A study of complete versus incomplete fusion
Deepak Kumar, Moumita Maiti, Susanta Lahiri
Several investigations on the complete-incomplete fusion (CF-ICF) dynamics of -cluster well-bound nuclei has been contemplated above the Coulomb barrier ( 4-7 MeV/nucleon…
Neutron star with dark matter using vector portal
Deepak Kumar, Ranjita K. Mohapatra, Hiranmaya Mishra +1
Compact astrophysical objects, such as neutron star, can provide a unique environment where the interplay between strongly interacting nuclear matter and dark matter (DM) can yield…
OCR Synthetic Benchmark Dataset for Indic Languages
Naresh Saini, Promodh Pinto, Aravinth Bheemaraj +4
We present the largest publicly available synthetic OCR benchmark dataset for Indic languages. The collection contains a total of 90k images and their ground truth for 23 Indic lan…
FST Based Morphological Analyzer for Hindi Language
Deepak Kumar, Manjeet Singh, Seema Shukla
Hindi being a highly inflectional language, FST (Finite State Transducer) based approach is most efficient for developing a morphological analyzer for this language. The work prese…
Gate Voltage-Controlled Magnetic Anisotropy Effect on Pt-Porphyrin functionalized single-layer graphene
Ambika Shanker Shukla, Abhishek Erram, Heston Alfred Mendonca +3
We report a novel approach to engineering large voltage-controlled magnetic anisotropy (VCMA) and enhanced spin-orbit coupling (SOC) at the interface of single-layer graphene (SLG)…
Non-Fermi liquid behavior in LaNiO thin films under hydrostatic pressure
Deepak Kumar, Jared Z. Dans, Keenan E. Avers +3
The discovery of superconductivity in bilayer nickel-oxides has revived an intense effort to understand the potential of high-temperature superconductivity in these materials and t…
Incomplete fusion analysis of Li-induced reaction on Nb within 3-6.5 MeV/nucleon
Deepak Kumar, Moumita Maiti
It is understood from the recent experimental studies that prompt/resonant breakup, and transfer followed by breakup in the weakly bound Li-induced reactions play a signifi…
Bremsstrahlung emission and plasma characterization driven by moderately relativistic laser-plasma interactions
Sushil Singh, Chris D. Armstrong, Ning Kang +22
Relativistic electrons generated by the interaction of petawatt-class short laser pulses with solid targets can be used to generate bright X-rays via bremsstrahlung. The efficiency…
The role of molecular structure on the microscopic thermodynamics: unveiling with Femtosecond Optical Tweezers
Ajitesh Singh, Dipankar Mondal, Krishna Kant Singh +2
Microscopic thermodynamic studies can elucidate specific molecular interactions. In this work, we report the microscopic thermodynamics in binary liquid mixtures, which elucidate t…
Generalizations of Some Inequalities of the Polar Derivatives of Polynomials
Deepak Kumar, Dinesh Tripathi, Sunil Hans
The main purpose of this paper is to present the generalization of the inequalities between the modulus of the polar derivative and the polynomial itself, depending on consideratio…
QUARC: Quaternion Multi-Modal Fusion Architecture For Hate Speech Classification
Deepak Kumar, Nalin Kumar, Subhankar Mishra
Hate speech, quite common in the age of social media, at times harmless but can also cause mental trauma to someone or even riots in communities. Image of a religious symbol with d…
Effect of B-site bismuth doping on magnetic and transport properties of La0.5Ca0.5Mn1-xBixO3 thin films
Himanshu Sharma, Deepak Kumar, Ashwin Tulapurkar +1
The magnetic properties in manganite have been found to be highly sensitive to the doping and structural manipulations. Here, we report the effect of B-site bismuth doping on the m…
Global Calderón-Zygmund theory for fractional Laplacian type equations
Sun-Sig Byun, Kyeong Bae Kim, Deepak Kumar
We establish several fine boundary regularity results of weak solutions to non-homogeneous -fractional Laplacian type equations. In particular, we prove sharp Calderón-Zygmund…
Non-radial oscillation modes in hybrid stars: consequences of a mixed phase
Deepak Kumar, Hiranmaya Mishra, Tuhin Malik
We study the possibility of the existence of a deconfined quark matter in the core of neutron star (NS)s and its relation to non-radial oscillation modes in NSs and hybrid star (HS…
Quadratically constrained quadratic programming for classification using particle swarms and applications
Deepak Kumar, A G Ramakrishnan
Particle swarm optimization is used in several combinatorial optimization problems. In this work, particle swarms are used to solve quadratic programming problems with quadratic co…
Stop the Nonconsensual Use of Nude Images in Research
Princessa Cintaqia, Arshia Arya, Elissa M Redmiles +3
In order to train, test, and evaluate nudity detection models, machine learning researchers typically rely on nude images scraped from the Internet. Our research finds that this co…
Calderón-Zygmund theory of nonlocal parabolic equations with discontinuous coefficients
Sun-Sig Byun, Kyeongbae Kim, Deepak Kumar
We prove Calderón-Zygmund type estimates of weak solutions to non-homogeneous nonlocal parabolic equations under a minimal regularity requirement on kernel coefficients. In partic…
Hate Raids on Twitch: Echoes of the Past, New Modalities, and Implications for Platform Governance
Catherine Han, Joseph Seering, Deepak Kumar +2
In the summer of 2021, users on the livestreaming platform Twitch were targeted by a wave of "hate raids," a form of attack that overwhelms a streamer's chatroom with hateful messa…
Computation of the Epsilon-Subdifferential of Convex Piecewise-Defined Functions in Optimal Worst-Case Time
Deepak Kumar, Yves Lucet
The -subdifferential of convex univariate piecewise linear-quadratic functions can be computed in linear worst-case time complexity as the level-set of a convex function. Using…
What Comes After Harm? Mapping Reparative Actions in AI through Justice Frameworks
Sijia Xiao, Haodi Zou, Alice Qian Zhang +4
As Artificial Intelligence (AI) systems are integrated into more aspects of society, they offer new capabilities but also cause a range of harms that are drawing increasing scrutin…
First-in-human quantum entanglement imaging
Pawel Moskal, Deepak Kumar, Sushil Sharma +37
Annihilation photons are quantum-entangled in polarization, a phenomenon that has not been exploited in medical diagnostics so far. We present the first in vivo imaging of the degr…
Guided Conditional Diffusion Classifier (ConDiff) for Enhanced Prediction of Infection in Diabetic Foot Ulcers
Palawat Busaranuvong, Emmanuel Agu, Deepak Kumar +4
To detect infected wounds in Diabetic Foot Ulcers (DFUs) from photographs, preventing severe complications and amputations. Methods: This paper proposes the Guided Conditional Diff…
Commutativity of Factor Ring R/P via *-Reverse P-Derivations
Deepak Kumar, Sukhchain Singh
In this paper, we establish commutativity criteria for the quotient ring through pairs of -reverse -derivations satisfying suitable commutator and anti-commutator di…