papers

Publications (86)

math.AP2025

A simple proof of linear instability of shear flows with application to vortex sheets

Anuj Kumar, Wojciech Ożański

We consider the construction of linear instability of parallel shear flows, which was developed by Zhiwu Lin (SIAM J. Math. Anal. 35(2), 2003). We give an alternative simple proof…

cs.CL2018

Towards end-to-end spoken language understanding

Dmitriy Serdyuk, Yongqiang Wang, Christian Fuegen +3

Spoken language understanding system is traditionally designed as a pipeline of a number of components. First, the audio signal is processed by an automatic speech recognizer for t…

cond-mat.supr-con2012

Successive spin glass, cluster ferromagnetic, and superparamagnetic transitions in RuSr2Y1.5Ce0.5Cu2O10 complex magneto-superconductor

Anuj Kumar, R. P. Tandon, V. P. S. Awana

We report structural, DC magnetization, detailed linear/non-linear AC susceptibility, (with applied frequency and amplitude) isothermal and thermoremanent magnetization (TRM) behav…

math.AP2025

On well-posedness of a mildly dissipative family of active scalar equations in borderline Sobolev spaces

Anuj Kumar, Vincent R. Martinez

This paper considers a family of active scalar equations which modify the generalized surface quasi-geostrophic (gSQG) equations through its constitutive law and a dissipative pert…

cond-mat.str-el2012

Room temperature magnetic entropy change and magnetoresistance in La_{0.70}(Ca_{0.30-x}Sr_x)MnO_3:Ag 10% (x = 0.0-0.10)

R. Jha, Shiva Kumar Singh, Anuj Kumar +1

The magnetic and magnetocaloric properties of polycrystalline La0.70(Ca0.30-xSrx)MnO3:Ag 10% manganite have been investigated. All the compositions are crystallized in single phase…

cs.AI2025

Proactive Assistant Dialogue Generation from Streaming Egocentric Videos

Yichi Zhang, Xin Luna Dong, Zhaojiang Lin +5

Recent advances in conversational AI have been substantial, but developing real-time systems for perceptual task guidance remains challenging. These systems must provide interactiv…

math.AP2025

A convex integration scheme for the continuity equation past the Sobolev embedding threshold

Maria Colombo, Roberto Colombo, Anuj Kumar

We introduce a convex integration scheme for the continuity equation in the context of the Di Perna-Lions theory that allows to build incompressible vector fields in $C_{t}W^{1,p}_…

cs.AI2026

BluTrain: A C++/CUDA Framework for AI Systems

Adhitya Charan, Adwaid Suresh, Anuj Kumar +19

Progress in deep learning is, at scale, more a matter of systems engineering than of modelling: the behaviour of a model in training (its throughput, its memory footprint, and the…

cs.CL2025

Stream RAG: Instant and Accurate Spoken Dialogue Systems with Streaming Tool Usage

Siddhant Arora, Haidar Khan, Kai Sun +14

End-to-end speech-in speech-out dialogue systems are emerging as a powerful alternative to traditional ASR-LLM-TTS pipelines, generating more natural, expressive responses with sig…

cs.CL2020

Conversational Semantic Parsing

Armen Aghajanyan, Jean Maillard, Akshat Shrivastava +8

The structured representation for semantic parsing in task-oriented assistant systems is geared towards simple understanding of one-turn queries. Due to the limitations of the repr…

cs.LO2024

An Overview and Comparison of Axiomatization Structures Regarding Inconsistency Indices' Properties in Pairwise Comparisons Methods

Sangeeta Pant, Anuj Kumar, Jiří Mazurek

Mathematical analysis of the analytic hierarchy process (AHP) led to the development of a mathematical function, usually called the inconsistency index, which has the center role i…

cond-mat.supr-con2013

Synthesis and superconductivity of new BiS2 based superconductor PrO0.5F0.5BiS2

Rajveer Jha, Anuj Kumar, Shiva Kumar Singh +1

We report synthesis and superconductivity at 3.7K in PrO0.5F0.5BiS2. The newly discovered material belongs to the layered sulfide based REO0.5F0.5BiS2 compounds having ZrCuSiAs typ…

cs.CV2026

Plan, Watch, Recover: A Benchmark and Architectures for Proactive Procedural Assistance

Kaustav Kundu, Ritvik Shrivastava, Maxim Arap +13

We envision a proactive multi-modal assistant system which gives users real-time step-by-step guidance on a procedural task, autonomously deciding \textit{when} to interrupt, and \…

cs.CL2025

ConfRAG: Confidence-Guided Retrieval-Augmenting Generation

Yin Huang, Yifan Ethan Xu, Kai Sun +12

Can Large Language Models (LLMs) be trained to avoid hallucinating factual statements, and can Retrieval-Augmented Generation (RAG) be triggered only when necessary to reduce retri…

cs.CV2026

R3D: Quantitative 3D Spatial Reasoning for Egocentric Wearables

Maxwell Horton, Wei Lu, Quan Tran +6

Quantitative 3D spatial reasoning from egocentric RGB-D video is a critical capability for next-generation wearable assistants. Yet existing benchmarks do not reflect the challenge…

cond-mat.supr-con2012

Crossing point phenomena (T* = 2.7 K) in specific heat curves of superconducting ferromagnets RuSr2Gd1.4Ce0.6Cu2O10-δ

Anuj Kumar, R. P. Tandon, Jianli Wang +2

Crossing point phenomena are one of the interesting and still puzzling effects in strongly correlated electron systems. We have synthesized RuSr2Gd1.4Ce0.6Cu2O10-δ (GdRu-1222) mag…

math.AP2023

Nonuniqueness of trajectories on a set of full measure for Sobolev vector fields

Anuj Kumar

In this paper, we resolve an important long-standing question of Alberti \cite{alberti2012generalized} that asks if there is a continuous vector field with bounded divergence and o…

cs.CL2020

Information Extraction of Clinical Trial Eligibility Criteria

Yitong Tseo, M. I. Salkola, Ahmed Mohamed +2

Clinical trials predicate subject eligibility on a diversity of criteria ranging from patient demographics to food allergies. Trials post their requirements as semantically complex…

cond-mat.mtrl-sci2024

Structural, micro-structural/morphological and magnetic properties of RECrO3 (RE = La, Nd, Sm, Eu and Gd) Orthocromites

Anurag Yadav, Anuj Kumar

We report here the structural, micro-structural/morphological and detailed magnetic properties of RECrO3 (RE = La, Nd, Sm, Eu and Gd) Orthocromites. A series of RECrO3 (RE = La, Nd…

math.AP2026

Asymptotic study of supercritical generalized SQG equations in critical Sobolev spaces

Anuj Kumar

We study the long time behavior of regular solutions of the supercritical gSQG equations in the fully nonlinear regime. More precisely, under the assumption of small initial data i…

physics.flu-dyn2020

An asymptotic theory for the high-Reynolds-number flow past a shear-free circular cylinder

Anuj Kumar, Nidhil Mohamed A. R, Pritam Giri +1

We present an asymptotic theory for analytical characterization of the high-Reynolds-number incompressible flow of a Newtonian fluid past a shear-free circular cylinder. The viscos…

cs.CV2024

EgoQR: Efficient QR Code Reading in Egocentric Settings

Mohsen Moslehpour, Yichao Lu, Pierce Chuang +7

QR codes have become ubiquitous in daily life, enabling rapid information exchange. With the increasing adoption of smart wearable devices, there is a need for efficient, and frict…

cond-mat.supr-con2012

Synthesis and superconductivity of CeNi0.8Bi2: New entrant in superconductivity kitchen?

Anuj Kumar, Shiva Kumar, Rajveer Jha +1

CeNi0.8Bi2 is very recent entrant in superconductivity kitchen [1], and the same seeks reproduction from other groups. We report synthesis, structural details and superconductivity…

cond-mat.supr-con2012

High Field (14Tesla) Magneto Transport of Sm/PrFeAsO

R. S. Meena, Shiva Kumar Singh, Anand Pal +6

We report high field magneto transport of Sm/PrFeAsO. Below spin density wave transition (TSDW), the magneto-resistance (MR) of Sm/PrFeAsO is positive and increasing with decreasin…

cond-mat.supr-con2012

Magnetization and Magneto-resistance in Y(Ba1-xSrx)2Cu3O7-δ (x = 0.00 - 0.50) superconductor

N. P. Liyanawaduge, Shiva Kumar Singh, Anuj Kumar +3

Here we present the magnetic properties and upper critical field (BC2) of polycrystalline Y(Ba1-xSrx)2Cu3O7-δ superconductors, which are being determined through detailed ac/dc su…

cs.AI2025

Memory-QA: Answering Recall Questions Based on Multimodal Memories

Hongda Jiang, Xinyuan Zhang, Siddhant Garg +10

We introduce Memory-QA, a novel real-world task that involves answering recall questions about visual content from previously stored multimodal memories. This task poses unique cha…

cond-mat.supr-con2013

Appearance of superconductivity in new BiS2 based layered LaO0.5F0.5BiS2

V. P. S. Awana, Anuj Kumar, Rajveer Jha +5

We report here synthesis, structural, DC magnetization, and transport studies of new BiS2 based layered LaO0.5F0.5BiS2 superconductor [1]. The sample was synthesized by conventiona…

cs.LG2026

Courant: a State-Adaptive Perceiver-Based Neural Surrogate with Local Support and Interpretable Field Decomposition

Anuj Kumar, Josiah Bjorgaard, Nikolaos Bouklas +2

We introduce "Courant", a Perceiver-based encoder-processor-decoder surrogate model that has latent features exhibiting adaptive specialization and local support in the physical sp…

cs.GT2007

An equilibrium model for matching impatient demand and patient supply over time

Garud Iyengar, Anuj Kumar

We present a simple dynamic equilibrium model for an online exchange where both buyers and sellers arrive according to a exogenously defined stochastic process. The structure of th…

math.AP2024

Almost anomalous dissipation in advection-diffusion of a divergence-free passive vector

Anuj Kumar

We explore the advection-diffusion of a passive vector described by , where both and are divergence-free velocity fiel…

cs.CV2022

An Indian Roads Dataset for Supported and Suspended Traffic Lights Detection

Sarita Gautam, Anuj Kumar

Autonomous vehicles are growing rapidly, in well-developed nations like America, Europe, and China. Tech giants like Google, Tesla, Audi, BMW, and Mercedes are building highly effi…

cs.CL2025

AssoMem: Scalable Memory QA with Multi-Signal Associative Retrieval

Kai Zhang, Xinyuan Zhang, Ejaz Ahmed +11

Accurate recall from large scale memories remains a core challenge for memory augmented AI assistants performing question answering (QA), especially in similarity dense scenarios w…

cond-mat.supr-con2008

One-step atmospheric pressure synthesis of the ground state of Fe based LaFeAsO1-d superconductor

V. P. S. Awana, Arpita Vajpayee, Monika Mudgel +6

We report an easy and versatile one-step route of synthesis for newly discovered Fe based superconductor LaFeAsO1-d with d = 0.0 to 0.15. Instead of widely used high-pressure-high-…

cs.CV2025

VisualLens: Personalization through Task-Agnostic Visual History

Wang Bill Zhu, Deqing Fu, Kai Sun +8

Existing recommendation systems either rely on user interaction logs, such as online shopping history for shopping recommendations, or focus on text signals. However, item-based hi…

cs.GT2006

Characterizing Optimal Adword Auctions

Garud Iyengar, Anuj Kumar

We present a number of models for the adword auctions used for pricing advertising slots on search engines such as Google, Yahoo! etc. We begin with a general problem formulation w…

physics.flu-dyn2020

Pressure-driven flows in helical pipes: bounds on flow rate and friction factor

Anuj Kumar

In this paper, we use the well-known background method to obtain a rigorous lower bound on the volume flow rate through a helical pipe driven by a pressure differential in the limi…

cs.CL2026

Aligning Paralinguistic Understanding and Generation in Speech LLMs via Multi-Task Reinforcement Learning

Jingxiang Chen, Minseok Kim, Seong-Gyun Leem +13

Speech large language models (LLMs) observe paralinguistic cues such as prosody, emotion, and non-verbal sounds--crucial for intent understanding. However, leveraging these cues fa…

math.AP2021

On the existence, uniqueness, and smoothing of solutions to the generalized SQG equations in critical Sobolev spaces

Michael S. Jolly, Anuj Kumar, Vincent R. Martinez

This paper studies the dissipative generalized surface quasi-geostrophic equations in a supercritical regime where the order of the dissipation is small relative to order of the ve…

math.AP2026

Sharpness of the Osgood Criterion for the Continuity Equation with Divergence-free Vector Fields

Roberto Colombo, Anuj Kumar

For any modulus of continuity that fails the Osgood condition, we construct a divergence-free velocity field for which the associated ODE admits at least tw…

cond-mat.supr-con2012

Superconductivity in the vicinity of ferromagnetism in oxygen free perovskite MgCNi3: An experimental and DFT (Density Functional Theory) study

Anuj Kumar, Rajveer Jha, Shiva Kumar +4

We report synthesis, structural, magnetic, specific heat and Density Functional Theory (DFT) studies on MgCNi3 superconductor. Polycrystalline MgCNi3 samples are synthesized throug…

physics.chem-ph2023

A Framework for Combustion Chemistry Acceleration with DeepONets

Anuj Kumar, Tarek Echekki

A combustion chemistry acceleration scheme is developed based on deep operator networks (DeepONets). The scheme is based on the identification of combustion reaction dynamics throu…

physics.flu-dyn2025

On Turbulent Behavior of the Generalized Surface Quasigeostrophic Equations

Chengzhang Fu, Michael S. Jolly, Anuj Kumar +1

Turbulent behavior of the two-parameter family of generalized surface quasigeostrophic equations is examined both rigorously and numerically. We adapt a cascade mechanism argument…

physics.flu-dyn2021

Analytical bounds on the heat transport in internally heated convection

Anuj Kumar, Ali Arslan, Giovanni Fantuzzi +2

We obtain an analytical bound on the mean vertical convective heat flux between two parallel boundaries driven by uniform internal heating. We consider two co…

cs.LG2019

Active Federated Learning

Jack Goetz, Kshitiz Malik, Duc Bui +3

Federated Learning allows for population level models to be trained without centralizing client data by transmitting the global model to clients, calculating gradients locally, the…

cond-mat.supr-con2012

Physical property and electronic structure characterization of bulk superconducting Bi3Ni

Jagdish Kumar, Anuj Kumar, Arpita Vajpayee +5

We report the experimental and theoretical study on magnetic nature of Bi3Ni system. The structure is found to be orthorhombic (Pnma) with lattice parameters a = 8.879Ã b = 4.0998Ã…

cs.CL2018

Semantic Parsing for Task Oriented Dialog using Hierarchical Representations

Sonal Gupta, Rushin Shah, Mrinal Mohit +2

Task oriented dialog systems typically first parse user utterances to semantic frames comprised of intents and slots. Previous work on task oriented intent and slot-filling work ha…

cs.LG2023

AnyMAL: An Efficient and Scalable Any-Modality Augmented Language Model

Seungwhan Moon, Andrea Madotto, Zhaojiang Lin +10

We present Any-Modality Augmented Language Model (AnyMAL), a unified model that reasons over diverse input modality signals (i.e. text, image, video, audio, IMU motion sensor), and…

physics.flu-dyn2022

Optimal bounds in Taylor--Couette flow

Anuj Kumar

This paper is concerned with the optimal upper bound on mean quantities (torque, dissipation and the Nusselt number) obtained in the framework of the background method for the Tayl…

cs.CL2025

WearVox: An Egocentric Multichannel Voice Assistant Benchmark for Wearables

Zhaojiang Lin, Yong Xu, Kai Sun +17

Wearable devices such as AI glasses are transforming voice assistants into always-available, hands-free collaborators that integrate seamlessly with daily life, but they also intro…

cs.CL2024

Doppelgänger's Watch: A Split Objective Approach to Large Language Models

Shervin Ghasemlou, Ashish Katiyar, Aparajita Saraf +5

In this paper, we investigate the problem of "generation supervision" in large language models, and present a novel bicameral architecture to separate supervision signals from thei…

math.AP2024

Sharp Nonuniqueness in the Transport Equation with Sobolev Velocity Field

Elia Bruè, Maria Colombo, Anuj Kumar

Given a divergence-free vector field and a nonnegative initial datum , the celebrated DiPerna--Lions theory establishe…

cond-mat.mtrl-sci2024

NH3 gas sensing over 2D Phosphorene sheet: A First-Principles Study

Naresh Kumar, Yogendra K. Gautam, Soni Mishra +2

First-principles based calculations were executed to investigate the sensing properties of ammonia gas molecules on two-dimensional pristine black phosphorene towards its applicati…

physics.comp-ph2024

A Posteriori Evaluation of a Physics-Constrained Neural Ordinary Differential Equations Approach Coupled with CFD Solver for Modeling Stiff Chemical Kinetics

Tadbhagya Kumar, Anuj Kumar, Pinaki Pal

The high computational cost associated with solving for detailed chemistry poses a significant challenge for predictive computational fluid dynamics (CFD) simulations of turbulent…

cond-mat.supr-con2012

Effect of 3d Metal (Co and Ni) Doping on the Superconductivity of FeSe0.5Te0.5

Anuj Kumar, R. P. Tandon, V. P. S. Awana

We report the effect of 3d metal Cobalt (Co) and Nickel (Ni) doping on the FeTe0.5Se0.5 superconductor with the nominal composition range Fe1-xMxTe0.5Se0.5 (M = Co, Ni and x = 0.00…

cs.CL2026

SaliMory: Orchestrating Cognitive Memory for Conversational Agents

Kai Zhang, Xinyuan Zhang, Hongda Jiang +11

Conversational agents that serve as lifelong companions must maintain persistent memory across all interactions. However, simply expanding context windows with raw retrieval degrad…

cs.CL2025

PrismRAG: Boosting RAG Factuality with Distractor Resilience and Strategized Reasoning

Mohammad Kachuee, Teja Gollapudi, Minseok Kim +10

Retrieval-augmented generation (RAG) often falls short when retrieved context includes confusing semi-relevant passages, or when answering questions require deep contextual underst…

cond-mat.supr-con2012

Bulk Superconductivity in Bismuth-oxy-sulfide Bi4O4S3

Shiva Kumar Singh, Anuj Kumar, Bhasker Gahtori +4

Very recent report [1] on observation of superconductivity in Bi4O4S3 could potentially reignite the search for superconductivity in a broad range of layered sulphides. We report h…

cond-mat.supr-con2012

The role of Ca in superconducting and magnetic properties of Y1-xCaxBa2Cu3O7 (x = 0.0-0.30)

N. P. Liyanawaduge, Anuj Kumar, Shiva Kumar +2

We report the structural, superconducting, magnetic and granular properties of Y1-xCaxBa2Cu3O7; x = 0.0, 0.1, 0.2 and 0.3. Rietveld fitted X-ray diffraction data confirms the singl…

cond-mat.supr-con2012

Role of interstitial "caged" Fe in the superconductivity of FeTe1/2Se1/2

Anuj Kumar, Anand Pal, R. P. Tandon +1

All samples are synthesized through standard solid state reaction route and are quenched to room temperature systematically at 7000C, 5000C, 3000C and room temperature (RT); named…

cs.CL2024

CRAG -- Comprehensive RAG Benchmark

Xiao Yang, Kai Sun, Hao Xin +24

Retrieval-Augmented Generation (RAG) has recently emerged as a promising solution to alleviate Large Language Model (LLM)'s deficiency in lack of knowledge. Existing RAG datasets,…

cs.CL2020

Best Practices for Data-Efficient Modeling in NLG:How to Train Production-Ready Neural Models with Less Data

Ankit Arun, Soumya Batra, Vikas Bhardwaj +9

Natural language generation (NLG) is a critical component in conversational systems, owing to its role of formulating a correct and natural text response. Traditionally, NLG compon…

q-bio.BM2023

Multiple Protein Profiler 1.0 (MPP): A webserver for predicting and visualizing physiochemical properties of proteins at the proteome level

Gustavo Sganzerla Martinez, Mansi Dutt, Anuj Kumar +1

Determining the physicochemical properties of a protein can reveal important insights in their structure, biological functions, stability, and interactions with other molecules. Al…

cs.CL2025

SCRIBES: Web-Scale Script-Based Semi-Structured Data Extraction with Reinforcement Learning

Shicheng Liu, Kai Sun, Lisheng Fu +8

Semi-structured content in HTML tables, lists, and infoboxes accounts for a substantial share of factual data on the web, yet the formatting complicates usage, and reliably extract…

cond-mat.supr-con2012

Study of spin glass and cluster ferromagnetism in RuSr2Eu1.4Ce0.6Cu2O10-δ magneto Superconductor

Anuj Kumar, R. P. Tandon, V. P. S. Awana

We report DC magnetization, detailed systematic linear and nonlinear AC magnetic susceptibility and transport for a single phase RuSr2Eu1.4Ce0.6Cu2O10-δ (EuRu-1222) magneto-superc…

cond-mat.supr-con2013

Superconductivity at 5K in NdO0.5F0.5BiS2

Rajveer Jha, Anuj Kumar, Shiva Kumar Singh +1

We report appearance of superconductivity at 5K in NdO0.5F0.5BiS2 and supplement the discovery [1] of the same in layered sulfide based ZrCuSiAs type compounds. The bulk polycrysta…

physics.flu-dyn2025

Statistical Estimates for 2D stochastic Navier-Stokes Equations

Anuj Kumar, Ali Pakzad

The statistical features of homogeneous, isotropic, two-dimensional stochastic turbulence are discussed. We derive some rigorous bounds for the mean value of the bulk energy dissip…

math.AP2021

On local well-posedness of logarithmic inviscid regularizations of generalized SQG equations in borderline Sobolev spaces

Michael S. Jolly, Anuj Kumar, Vincent R. Martinez

This paper studies a family of generalized surface quasi-geostrophic (SQG) equations for an active scalar on the whole plane whose velocities have been mildly regularized, for…

cs.LG2019

Federated User Representation Learning

Duc Bui, Kshitiz Malik, Jack Goetz +4

Collaborative personalization, such as through learned user representations (embeddings), can improve the prediction accuracy of neural-network-based models significantly. We propo…

cs.CV2026

Pixel-Grounded Retrieval for Knowledgeable Large Multimodal Models

Jeonghwan Kim, Renjie Tao, Sanat Sharma +8

Visual Question Answering (VQA) often requires coupling fine-grained perception with factual knowledge beyond the input image. Prior multimodal Retrieval-Augmented Generation (MM-R…

cs.CL2025

Knowledge Extraction on Semi-Structured Content: Does It Remain Relevant for Question Answering in the Era of LLMs?

Kai Sun, Yin Huang, Srishti Mehra +11

The advent of Large Language Models (LLMs) has significantly advanced web-based Question Answering (QA) systems over semi-structured content, raising questions about the continued…

math.AP2024

Flexibility of Two-Dimensional Euler Flows with Integrable Vorticity

Elia Bruè, Maria Colombo, Anuj Kumar

We propose a new convex integration scheme in fluid mechanics, and we provide an application to the two-dimensional Euler equations. We prove the flexibility and nonuniqueness of $…

math.AP2025

Upper bounds on the dimension of the global attractor of the 2D Navier-Stokes equations on the plane

Aseel Farhat, Anuj Kumar, Vincent R. Martinez

This article establishes estimates on the dimension of the global attractor of the two-dimensional rotating Navier-Stokes equation for viscous, incompressible fluids on the -pl…

cond-mat.supr-con2013

Spin dynamics, short-range order and superparamagnetism in superconducting ferromagnet RuSr2Gd1.4Ce0.6Cu2O10-δ

Anuj Kumar, R. P. Tandon, V. P. S. Awana

We report structural, detailed DC and linear/non-linear AC, isothermal and thermoremanent magnetization study of the rutheno-cuprate superconducting ferromagnet RuSr2Gd1.4Ce0.6Cu2O…

math.AP2026

Mixing and Small-Scale Formation in a Passive Divergence-Free Vector Field

Anuj Kumar, Franziska Weber

We study mixing for a divergence-free passive vector field transported by another divergence-free vector field , where evolves according to $ \partial_t u + (U \cdot \na…

math.AP2026

Inviscid and fast rotation limit for dispersive generalized SQG equations

Anuj Kumar, Sweety, Mohit Yadav

The paper studies how solutions of dissipative generalized surface quasi‑geostrophic (SQG) equations behave when viscosity vanishes, using a relative energy inequality to prove con…

#generalized sqg equations#inviscid limit#fast rotation#dispersive forcing
cs.LG2023

Extended Feature Space-Based Automatic Melanoma Detection System

Shakti Kumar, Anuj Kumar

Melanoma is the deadliest form of skin cancer. Uncontrollable growth of melanocytes leads to melanoma. Melanoma has been growing wildly in the last few decades. In recent years, th…

cs.CL2026

TruthRL: Incentivizing Truthful LLMs via Reinforcement Learning

Zhepei Wei, Xiao Yang, Kai Sun +12

While large language models (LLMs) have demonstrated strong performance on factoid question answering, they are still prone to hallucination and untruthful responses, particularly…

cs.LG2025

MobileLLM-Pro Technical Report

Patrick Huber, Ernie Chang, Wei Wen +16

Efficient on-device language models around 1 billion parameters are essential for powering low-latency AI applications on mobile and wearable devices. However, achieving strong per…

cs.AI2025

WearVQA: A Visual Question Answering Benchmark for Wearables in Egocentric Authentic Real-world scenarios

Eun Chang, Zhuangqun Huang, Yiwei Liao +19

We introduce WearVQA, the first benchmark specifically designed to evaluate the Visual Question Answering (VQA) capabilities of multi-model AI assistant on wearable devices like sm…

cs.CL2021

El Volumen Louder Por Favor: Code-switching in Task-oriented Semantic Parsing

Arash Einolghozati, Abhinav Arora, Lorena Sainz-Maza Lecanda +2

Being able to parse code-switched (CS) utterances, such as Spanish+English or Hindi+English, is essential to democratize task-oriented semantic parsing systems for certain locales.…

cond-mat.supr-con2012

Effect of Boron substitution on the superconductivity of non-oxide perovskite MgCNi3

Anuj Kumar, Rajveer Jha, R. P. Tandon +1

We report synthesis, structural and magnetic (DC and AC) properties of Boron substituted MgCNi3 superconductor. A series of polycrystalline bulk samples Mg1.2C1.6-xBxNi3 (x = 0.0,…

cs.CV2024

Lumos : Empowering Multimodal LLMs with Scene Text Recognition

Ashish Shenoy, Yichao Lu, Srihari Jayakumar +11

We introduce Lumos, the first end-to-end multimodal question-answering system with text understanding capabilities. At the core of Lumos is a Scene Text Recognition (STR) component…

cs.CV2025

CRAG-MM: Multi-modal Multi-turn Comprehensive RAG Benchmark

Jiaqi Wang, Xiao Yang, Kai Sun +38

Wearable devices such as smart glasses are transforming the way people interact with their surroundings, enabling users to seek information regarding entities in their view. Multi-…

math.AP2022

Three dimensional branching pipe flows for optimal scalar transport between walls

Anuj Kumar

We consider the problem of "wall-to-wall optimal transport" in which we attempt to maximize the transport of a passive temperature field between hot and cold plates. Specifically,…

cs.LG2018

Explore-Exploit: A Framework for Interactive and Online Learning

Honglei Liu, Anuj Kumar, Wenhai Yang +1

Interactive user interfaces need to continuously evolve based on the interactions that a user has (or does not have) with the system. This may require constant exploration of vario…

cond-mat.supr-con2012

High field magneto-transport and magnetization study of Y1-xCaxBa2Cu3O7-δ(x = 0.0-0.25)

N. P. Liyanawaduge, Anuj Kumar, Rajveer Jha +2

We report DC isothermal magnetization, global critical current density (JC), Intra-grain critical current density (JCintra) and resistive upper critical field (Bc2) of polycrystall…