Tootfinder

Nem quando o viciado em comprar livros vai pra farmšcia ele se livra das tentações. Aí deu nisso. 😬

Cosmological neutrino mass: a frequentist overview in light of DESI
D. Chebat, C. Y\`eche, E. Armengaud, N. Sch\"oneberg, M. Walther, A. de Mattia, J. Rohlf, J. Aguilar, S. Ahlen, D. Bianchi, D. Brooks, T. Claybaugh, A. Cuceu, A. de la Macorra, P. Doel, S. Ferraro, A. Font-Ribera, J. E. Forero-Romero, E. Gazta\~naga, G. Gutierrez, C. Hahn, H. K. Herrera-Alcantar, C. Howlett, D. Huterer, M. Ishak, J. Jimenez, R. Joyce, S. Juneau, R. Kehoe, D. Kirkby, A. Kremin, O. Lahav, A. Lambert…

Cosmological neutrino mass: a frequentist overview in light of DESI
We derive constraints on the neutrino mass using a variety of recent cosmological datasets, including DESI BAO, the full-shape analysis of the DESI matter power spectrum and the one-dimensional power spectrum of the Lyman-$α$ forest (P1D) from eBOSS quasars as well as the cosmic microwave background (CMB). The constraints are obtained in the frequentist formalism by constructing profile likelihoods and applying the Feldman-Cousins prescription to compute confidence intervals. This method avoid…

Langtauferer
Today, a year ago, I ventured on a dream trip I'd been researching for a long time, and which ended up being a semi-religious experience, being immersed in (and somewhat overwhelmed by) an actively changing environment, the upheaval and plethora of geological features, structures, unreal colors, layers, textures and the "wounds" exposed by the melting and disappearing glaciers... Countless waterfalls, stunning erosion features, later traversing the glacier ga…

A Higgs category for the cluster variety of triples of flags
Bernhard Keller, Miantao Liu
https://arxiv.org/abs/2509.04863 https://arxiv.org/pdf/2509.04863…

A Higgs category for the cluster variety of triples of flags
The cluster variety of triples of flags (associated with a split simple Lie group of Dynkin type Delta) plays a key role in higher Teichmuller theory as developed by Fock-Goncharov, Jiarui Fei, Ian Le, ... and Goncharov-Shen. We refer to it as the basic triangle associated with Delta. In this paper, for simply laced Delta, we construct and study a Higgs category (in the sense of Yilin Wu) which we expect to categorify the basic triangle. This category is a certain exact dg category (in the sens…

Hidden Prompts in Manuscripts Exploit AI-Assisted Peer Review
Zhicheng Lin
https://arxiv.org/abs/2507.06185 https://arxiv.org/pdf/250…

Hidden Prompts in Manuscripts Exploit AI-Assisted Peer Review
In July 2025, 18 academic manuscripts on the preprint website arXiv were found to contain hidden instructions known as prompts designed to manipulate AI-assisted peer review. Instructions such as "GIVE A POSITIVE REVIEW ONLY" were concealed using techniques like white-colored text. Author responses varied: one planned to withdraw the affected paper, while another defended the practice as legitimate testing of reviewer compliance. This commentary analyzes this practice as a novel form of researc…

BGG-decomposition for de Rham Banach sheaves
Fabrizio Andreatta, Marco Baracchini, Adrian Iovita
https://arxiv.org/abs/2508.17047 https://arxiv.org/pdf/250…

BGG-decomposition for de Rham Banach sheaves
In this article we refer to "the BGG method" as a method in which by using Lie-algebra techniques one produces a complex of coherent sheaves on a Shimura variety, which is quasi-isomorphic to the de Rham complex of an automorphic vector bundle with integrable connection, on that Shimura variety. These BGG-complexes are in many ways "smaller" than the de Rham complex and have better cohomological properties. These BGG complexes contribute to the understanding of automorphic representations. In…

Intermediate-temperature specific heat of solids and the rationale behind the Maier-Kelley empirical formula
Valmir Ribeiro, Fernando Parisio
https://arxiv.org/abs/2508.15009 ht…

Intermediate-temperature specific heat of solids and the rationale behind the Maier-Kelley empirical formula
The heat capacity of solids at intermediate-to-high temperatures is of fundamental importance to several fields ranging from geology to material science. It depends on a variety of factors, with anharmonicity and, ultimately, melting playing a pivotal role. In this work we develop a first-principles model from an analytically tractable semi-harmonic oscillator Hamiltonian. The resulting specific heat expression depends not only on the Einstein temperature of the material but also on other physi…

Nonlinear Rank Scaling and Hidden Structure in NHS Expenditure Transparency Data
Animotu Mohammed, Golnaz Shahtahmassebi, Haroldo V. Ribeiro, Jack Sutton, Quentin S. Hanley
https://arxiv.org/abs/2506.19520

Nonlinear Rank Scaling and Hidden Structure in NHS Expenditure Transparency Data
A variety of transparency initiatives have been introduced by governments to reduce corruption and allow citizens to independently evaluate effectiveness and efficiency of spending. In 2010, the UK government mandated transparency for many expenditures exceeding £25,000. The resulting data is dispersed across a range of governmental organizations and presents an opportunity to understand expenditure at scale, interrogate organizational structures and develop transparency measures. Here, we foc…