Columbia University

Synthesis of Compact and Expressive Quantum-Circuit Optimizations

Today’s quantum devices are noisy, so reducing circuit size is critical for reliable execution. Existing rule-based optimizers often rely on large rule sets that are difficult to manage and still miss long-distance transformations. We present QSymb, a framework for synthesizing c...

Human-Centered Artificial Intelligence Framework for Overdose Mortality Surveillance, New York City, 2022‒2023.

. 2026;116(10):1565-1574. https://doi.org/10.2105/AJPH.2026.308698).

Understanding Automated Program Repair Agents through the Lens of Traceability: An Empirical Study

Automated Program Repair (APR) agents leverage large language models (LLMs) to autonomously diagnose and patch software bugs using planning, reasoning, and tools. Although these agents show strong performance on leaderboards such as SWE-bench, little is understood about how they...

Vortex Pinning of Ba 0.62 K 0.38 BiO 3 Investigated by Magneto-Optical Kerr-Effect and Magnetization Measurements

Vortex pinning plays a crucial role in determining properties of type-II superconductors. For example, it governs the irreversible magnetic response as well as dissipation caused by vortex motion. Here, we study vortex pinning in the three-dimensional oxide superconductor Ba 1− x...

Contamination Means Overestimation? A Fine-Grained Empirical Study in Code Intelligence

In recent years, code intelligence has gained increasing importance in the field of automated software engineering. Meanwhile, the widespread adoption of Pretrained Language Models (PLMs) and Large Language Models (LLMs) has raised concerns regarding data contamination and its po...

Mammal: Supporting Breastfeeding Monitoring Through Computational Garments with Inter-Body Sensing

Breastfeeding provides critical insight into infant feeding competence and physiological health, yet objective monitoring remains difficult due to the intimate and internal nature of feeding. We present Mammal, a caregiver-worn computational garment that unobtrusively monitors br...

Mediating effect of pro-inflammatory cytokines in the association between depression, anxiety, and cardiometabolic disorders in a multiethnic US population

Abstract Neuroinflammation is associated with depression and anxiety risk, both of which demonstrate a bilateral relationship with cardiometabolic disorders. Systemic inflammation was also commonly described in patients with cardiometabolic disorders. It is, thus, unclear whether...

Efficiently emulating distribution functions in gigaparsec volumes for varying cosmological parameters

Abstract We present a new method for emulating the halo mass function (HMF) and other distribution functions in large effective volumes, down to low halo masses, whilst simultaneously modifying large ranges of parameters, for a fraction of the cost of traditional periodic cosmolo...

Relative cyclotomic structures and equivariant complex cobordism

Abstract We describe a structure on a commutative ring (pre)cyclotomic spectrum that gives rise to a (pre)cyclotomic structure on topological Hochschild homology () relative to its underlying commutative ring spectrum. This lets us construct relative to , denoted , and we prove s...

Representational Adequacy, Natural Selection, and Quantum Ontology: Against a Three-Dimensionally Spatial Reality

We human cognizers represent reality as three-dimensionally spatial. However, despite appearances to the contrary, I contend that the likelihood that reality is three-dimensionally spatial in accordance with our spatial representations is either low at worst or inscrutable at bes...

Reducing the Filtering Effect in Public School Admissions: A Bias-aware Analysis for Targeted Interventions

Problem definition: Traditionally, New York City’s top 8 public schools have selected candidates solely based on their scores in the Specialized High School Admissions Test (SHSAT). These scores are known to be impacted by socioeconomic status of students and amount of test prepa...

Climate-amplified wildland–urban interface disasters create persistent internal metal mixtures associated with pulmonary impairment

Wildland–urban interface (WUI) wildfires are increasingly important climate-related exposure events because they burn built infrastructure and can mobilize legacy contaminants in addition to generating smoke. Although the acute respiratory effects of wildfire smoke are well descr...

Perceptions of Chemoprevention Among Women at High Risk for Breast Cancer

Importance Breast cancer (BC) chemoprevention (CP) is highly effective in reducing invasive BC risk, yet uptake among eligible women at high risk remains critically low. Prior research has not adequately examined CP decision-making alongside other primary prevention therapies, su...

Insulin resistance in the 21st century: new takes on an old problem—2025 Diabetes, Diabetes Care, and Diabetologia Expert Forum

Insulin resistance is a hallmark of type 2 diabetes and several other metabolic diseases. However, efforts to improve insulin resistance are hindered by the biological complexity inherent to insulin action, as well as conceptual and methodological limitations to date. In Septembe...

Home Protection: Frances Willard’s Anti-Monopoly Crusade

Abstract The neo-Brandeisian anti-monopoly movement that emerged in the United States following the 2008 financial crisis provides a new perspective on anti-monopoly thought, politics, and practice in the less recent past. The “home protection” crusade led by renowned temperance...

Practical considerations for characterization of the external exposome in Alzheimer's disease and related dementias cohorts

Abstract External exposome research offers opportunities to evaluate complex relationships between multiple environmental determinants of Alzheimer's disease and related dementias (ADRD). However, selecting specific exposure domains, identifying metrics, and downloading, processi...

Sliding Disassembly of van der Waals Heterostructures

Abstract Many recent advances in our understanding of two-dimensional electron systems stem from van der Waals (vdW) heterostructures. The assembly process relies on the weak bonding across interfaces between layered vdW compounds, making it possible to construct exceptionally cl...

The geometry of flux surfaces with quasi-poloidal symmetry

Quasi-poloidal (QP) magnetic fields have desirable properties for confining plasma: no radial drift of guiding centres (with positive implications for neoclassical transport), zero Pfirsch–Schlüter current and a lower level of damping for poloidal flows. Despite their attractive...

Insulin Resistance in the 21st Century: New Takes on an Old Problem—2025 Diabetes , Diabetes Care , and Diabetologia Expert Forum

Insulin resistance is a hallmark of type 2 diabetes and several other metabolic diseases. However, efforts to improve insulin resistance are hindered by the biological complexity inherent to insulin action, as well as conceptual and methodological limitations to date. In Septembe...

Vision-Language Model-Based Demonstrators for Imitation Learning in Construction Robotic Timber Assembly

Abstract Intelligent construction robots are deemed the future of on-site construction for improved productivity and safety. To automate the construction process, imitation learning (IL) has been adopted to train construction robots in a repertoire of tasks. However, collecting d...