Research works

Constructing Jacobians of rank 1

Abstract Let 𝐾 be a number field, let g ≥ 1 g\geq 1 be an integer and let f ⁢ ( x ) = ( x − a 1 ) ⁢ ⋯ ⁢ ( x − a 2 ⁢ g + 1 ) ∈ O K ⁢ [ x ] see text f(x)=(x-a_{1})\cdots(x-a_{2g+1})\in O_{K}[x] be a polynomial that splits into 2 ⁢ g + 1 2g+1 distinct linear factors. Write 𝐶 for the...

The Star Formation History and Evolution of the Ultra-Diffuse M81 Satellite F8D1

Abstract We present deep Hubble Space Telescope (HST) imaging of one of the nearest ultra-diffuse galaxies (UDGs) outside of the Local Group: F8D1, a satellite of M81 known to be tidally disrupting. UDGs are an enigmatic and diverse population, with evolutionary pathways ranging...

Generation of Polarization-Entangled Bell States in Monolithic Photonic Waveguides by Leveraging Intrinsic Crystal Properties

Advanced photonic quantum technologies -- from quantum key distribution to quantum computing -- require on-chip sources of entangled photons that are both efficient and readily scalable. In this theoretical study, we demonstrate the generation of polarization-entangled Bell state...

Functional Multireference Alignment via Deconvolution

Abstract. This paper studies the multireference alignment (MRA) problem of estimating a signal function from shifted, noisy observations. Our functional formulation reveals a new connection between MRA and deconvolution: the signal can be estimated from second-order statistics vi...

Cosmological constraints from the Planck cluster catalogue with DES shear profiles and Chandra observations

We present cosmological constraints from the PSZ2 cosmological cluster sample, using weak-lensing shear profiles from Dark Energy Survey (DES) data and X-ray observations from the telescope for the mass calibration. We compute hydrostatic mass estimates for all clusters in the PS...

Breaking the Sexual Silence of Cancer Survivors: Exploration of Sexual Distress and Health Communication Paths After Cervical Cancer Surgery Based on Qualitative Interviews

<title>Abstract</title> <bold>Objective</bold> : To better understand the challenges related to sexual function faced by patients with cervical cancer following radical hysterectomy, and to provide evidence-based insights for the development of clinical nursing strategies and hea...

Phase transition in a long-memory log-Gaussian Cox process

We study a stochastic point process with power-law temporal correlations driven by hidden variables. We show that a generalized Merton type model under an exponential-tail asset assumption—obtained by replacing the Gaussian cumulative distribution function with a logistic CDF— to...

Gendered cultural discourse in Japan across the prewar–postwar transition: evidence from historical word embeddings

Abstract We quantify the evolution of gender stereotypes in Japan from 1900 to 1998, covering the prewar–postwar transition, using a series of yearly word embeddings trained on historical text corpora. We define the gender stereotype value to measure the strength of a word’s gend...

Gender and urban fiscal governance: evidence from female leadership in Indian municipal corporations

This study examines how female leadership shapes fiscal outcomes in India's Municipal Corporations, which, despite comprising only 5.5% of Urban Local Bodies, control 60-65% of aggregate municipal revenues. Integrating representative bureaucracy and fiscal federalism theories, we...

Pressure-Robustness in Stokes-Darcy Optimal Control Problem with Reconstruction Operator

This paper presents a pressure-robustness discretization for optimal control problems governed by the Stokes-Darcy system. We revisit the divergence constraint and interface normal continuity within a mixed finite element framework. A reconstruction operator is incorporated into...

Network-Level Vehicle Delay Estimation at Heterogeneous Signalized Intersections

Accurate vehicle delay estimation is crucial for assessing signalized-intersection performance and guiding traffic management. Traditional machine-learning models often assume identical distributions between training and testing data. This assumption is rarely met across intersec...

Moment Matching for Bayesian Inference in the Baseline New Keynesian Model

Abstract The sparsity and small size of economic samples often obscure the identification of parameters in macroeconomic models. These identification problems originate from the poorly defined mapping between a structural model and reduced-form parameters. Hence, researchers rely...

On the Zitterbewegung and light-like internal dynamics of the electron

This paper focuses on the understanding of the electron and its intrinsic properties. We analyze the Zitterbewegung motion, that gives information about the internal dynamics of the electron (with internal motion at the speed of light with an amplitude at Compton scale). This app...

Perennial and annual cropping sequences differentially influence soil functionality in Luvisolic soils

<title>Abstract</title> Cropping system diversification with perennial herbage seed crops has been proposed as a promising strategy for sustaining soil health and functional agroecosystems. We evaluated the impact of diversified cropping systems on key soil properties important f...

Induction of type I and III interferons by viral and endogenous stimuli in systemic sclerosis

ABSTRACT Objective The interferon (IFN) system is activated in systemic sclerosis (SSc), but the driving mechanisms remain unclear. We asked whether type I and III IFN responses to Toll-like receptor (TLR)-7/8/9 stimulation of leukocytes from patients with SSc differ from healthy...

Optimizing Field-of-View for Type-1 Retinopathy of Prematurity via Multiple Instance Learning

Purpose: The purpose of this study was to cut down on screening time and costs, this study optimizes field-of-view (FOV) combinations for classifying type-1 retinopathy of prematurity (ROP) through multiple-instance learning (MIL) that models clinical decision making. Methods: Th...

From open banking to banking-as-a-service: regulatory challenges in the evolution of financial intermediation

Over the past decade, financial innovation has moved from open banking, centred on consumer-permissioned data sharing, to banking-as-a-service (BaaS), which modularizes core banking functions through application programming interfaces. This shift allows fintechs and non-financial...

The effects of action-based predictions in early visual cortex

Abstract During voluntary movement, predictions about the sensory consequences of an action typically result in reduced sensory sensitivity. The forward model theory proposes that this reduced sensitivity is due to neural suppression or cancellation of sensory action outcomes. Ho...

Adaptive generalization and efficient learning under uncertainty

Abstract People often use recognizable features to infer the value of novel consumables. This “generalization” strategy is known to be beneficial in stable environments, such that individuals can use previously learned rules and values in efficiently exploring new situations. How...

Analysis of measles outbreaks reported to Integrated Disease Surveillance Programme (IDSP), India, 2019–2023

<title>Abstract</title> <bold>Background:</bold> In 2022, an estimated 1,36,000 measles deaths were reported worldwide, mostly in children under five. In 2022, thirty-seven countries reported extensive or disruptive measles outbreaks by the WHO, while only 22 countries reported s...