For every paper on this page, at least one of the original authors has seen our plain-language explanation and engaged with it — either confirming it reads accurately or requesting corrections that we then applied. An endorsement does not mean the authors formally approve every sentence, but it does mean the explanation has passed the eyes of the people who wrote the paper.

1335 papers reviewed by authors · 101–110 / 1335

⚛️ high-energy theory

Geometrical BRST Quantization of Gauged Nonlinear Sigma Models: Killing Fields and Physical Cohomology

This paper constructs an off-shell BRST-invariant gauge-fixed formulation for nonlinear sigma models coupled to non-Abelian gauge fields, demonstrating that the Lie-bracket closure of target-space Killing vectors geometrically realizes the BRST algebra and characterizing the physical Hilbert space through the cohomology of the nilpotent BRST charge.

Teirungumunu Apolinar Torres Zalabata, John Morales Aponte, Andrés Fernando Castillo Ramírez2026-09-25✓ Author reviewed ⓘ
⚛️ quantum physics

Collective thermalization, work reliability, and resource bounds in a population-inverted Dicke Otto engine

This paper demonstrates that while population inversion in a collective Dicke Otto engine enhances work output and reliability through macroscopic polarization, this gain fundamentally stems from consuming pre-existing active-state resources rather than generating free thermodynamic advantage, whereas collective coupling primarily accelerates finite-time dynamics.

Cler T. Garcez, Gabriella G. Damas, Norton G. de Almeida, G. D. de Moraes Neto2026-09-25✓ Author reviewed ⓘ
🤖 machine learning

On Growth and Form, and Function: Reusable Regulatory Handles Control Phenotypic Variation

Inspired by D'Arcy Thompson's "On Growth and Form," this study demonstrates that coherent large-scale morphological transformations in neural cellular automata can be encoded and controlled through reusable, low-dimensional regulatory adaptations, enabling zero-shot transfer of scaling and other phenotypic variations across diverse target morphologies.

Benedikt Hartl, Milton L. Montero, Marcello Barylli, Sebastian Risi, Michael Levin2026-09-25✓ Author reviewed ⓘ
📄 earth science

Hydrodynamic Identification of Potential Sediment Depositional Zones in the Lower Rabnabad Channel of Payra Port, Bangladesh

This study utilizes a calibrated MIKE21 FM hydrodynamic model to identify specific zones in the Lower Rabnabad Channel of Payra Port, Bangladesh, that are prone to sediment deposition due to subcritical and turbulent flow conditions, thereby providing critical data for future dredging operations and morphodynamic monitoring.

Shahriar Khosnoor Prince, K M Azam Chowdhury, Alif Mohammad Khan, Tonia Astrid Capuano, Mahmudul Hasan Khan, Md. Kawser (…)2026-09-25✓ Author reviewed ⓘ
⚡ electrical engineering

Evaluating methodological approaches to urban park accessibility: a comparative analysis of statistical, network-based, and gravity measures in Quincy, Illinois

This study evaluates statistical, network-based, and gravity-based methods for measuring urban park accessibility in Quincy, Illinois, finding that travel mode significantly influences results and concluding that network-based measures using actual road networks and entrance points offer the most behaviorally accurate approach for urban planning.

Arup Ratan Devnath2026-09-25✓ Author reviewed ⓘ
📄 agriculture

Maternal Foliar Application of Indole-3-Acetic Acid and L-Tryptophan Enhances Maternal Performance and Confers Improved Salinity Tolerance to Progeny Seeds of Okra (Abelmoschus esculentus L)

This study demonstrates that foliar application of indole-3-acetic acid (IAA) to maternal okra plants significantly enhances their reproductive performance and confers transgenerational benefits, resulting in progeny seeds with superior germination, seedling vigor, and salinity tolerance compared to those treated with L-tryptophan or untreated controls.

Mona Bakhit, Seyed Amir Moosavi, Seyed Ataollah Siadat, Aidin Hamidi, Amin Ebrahimi, Thomas Georg Roitsch2026-09-25✓ Author reviewed ⓘ
⚛️ high-energy theory

Comment on "Ultraviolet Completion of the Big Bang in Quadratic Gravity"

Within the one-loop RG-improved pure-quadratic truncation and for a free, massless, conformal realization of the large matter sector, the omitted type-A trace anomaly means the proposed round Euclidean no-boundary saddle cannot satisfy the stationary equations, as a stationary point of the running R2R^2 coupling supports a round sphere only if the total Euler anomaly coefficient vanishes.

Mark A. Shinn2026-09-24✓ Author reviewed ⓘ
🔬 physics

Twin Universes and Bimetric Gravity: From Sakharov's Cosmological Symmetry to Modern Speculations on Negative Mass

This paper reviews the theoretical landscape of twin-universe models, ranging from Sakharov's early symmetry concepts to modern bimetric gravity and negative mass scenarios, while critically evaluating their mathematical consistency and the significant observational and theoretical challenges they face in explaining cosmological phenomena like the arrow of time and black hole alternatives.

Jean-Pierre Luminet2026-09-24✓ Author reviewed ⓘ