Tootfinder

This https://arxiv.org/abs/2411.07035 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_…

Inferring jet physics from neutron star - black hole mergers with gravitational waves
Neutron star - black hole (NSBH) mergers that undergo tidal disruption may launch jets that could power a gamma-ray burst. We use a population of simulated NSBH systems to measure jet parameters from the gravitational waves emitted by these systems. The conditions during the tidal disruption and merger phase required to power a gamma-ray burst are uncertain. It is likely that the system must achieve some minimum remnant baryonic mass after the merger before a jet can be launched to power a gamm…

Proper polyhedral divisors and torus actions over arbitrary fields
Gary Martinez-Nunez
https://arxiv.org/abs/2506.22734 https://arxiv…

Proper polyhedral divisors and torus actions over arbitrary fields
We provide a algebro-geometric combinatorial description of geometrically integral geometrically normal affine varieties endowed with an effective action of an algebraic torus over arbitrary fields. This description is achieved in terms of proper polyhedral divisors endowed with a Galois semilinear action.

Zohran delivered the Democratic establishment the thrashing it deserved
#politics

Zohran delivered the Democratic establishment the thrashing it deserved
It backed another tired, entitled candidate in Andrew Cuomo. Voters finally had enough.

This https://arxiv.org/abs/2503.23809 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_nuc…

Nuclear clustering process in heavy-ion collisions : experimental constraints on the low-temperature region of the QCD phase diagram
In this article, we study the production of Hydrogen and Helium isotopes in heavy-ion collisions in the incident energy range between 80 and 150 MeV/nucleon. We compare their inclusive multiplicities emitted in the transverse plane of the reaction with the predictions given by the thermal model. As a first step, we validate the choice of this approach to describe the experimental measurements. We also show that the transient states have to be explicitly taken into account for a good statistical…

On geometric hydrodynamics and infinite dimensional magnetic systems
Levin Maier
https://arxiv.org/abs/2506.00544 https://arxiv.org/p…

On geometric hydrodynamics and infinite dimensional magnetic systems
In this article, we combine V. Arnold's celebrated approach via the Euler--Arnold equation -- describing the geodesic flow on a Lie group equipped with a right-invariant metric~\cite{Arnold66} -- with his formulation of the motion of a charged particle in a magnetic field~\cite{ar61}. We introduce the \emph{magnetic Euler--Arnold equation}, which is the Eulerian form of the magnetic geodesic flow for an infinite-dimensional magnetic system on a Lie group endowed with a right-invariant metric an…

GXJoin: Generalized Cell Transformations for Explainable Joinability
Soroush Omidvartehrani, Arash Dargahi Nobari, Davood Rafiei
https://arxiv.org/abs/2505.21860

GXJoin: Generalized Cell Transformations for Explainable Joinability
Describing real-world entities can vary across different sources, posing a challenge when integrating or exchanging data. We study the problem of joinability under syntactic transformations, where two columns are not equi-joinable but can become equi-joinable after some transformations. Discovering those transformations is a challenge because of the large space of possible candidates, which grows with the input length and the number of rows. Our focus is on the generality of transformations, ai…

Tracking the affordability of least-cost healthy diets helps guide intervention for food security and improved nutrition
William A. Masters
https://arxiv.org/abs/2506.22965

Tracking the affordability of least-cost healthy diets helps guide intervention for food security and improved nutrition
This Policy Comment describes how the Food Policy article entitled 'Cost and affordability of nutritious diets at retail prices: Evidence from 177 countries' (first published October 2020) and 'Retail consumer price data reveal gaps and opportunities to monitor food systems for nutrition' (first published September 2021) advanced the use of least-cost benchmark diets to monitor and improve food security. Those papers contributed to the worldwide use of least-cost diets as a new diagnostic indic…

Algebraic groups over free and hyperbolic groups
Vincent Guirardel, Chlo\'e Perin
https://arxiv.org/abs/2506.21350 https://arxiv.…

Algebraic groups over free and hyperbolic groups
We define an algebraic group over a group $G$ to be a variety - that is, a subset of $G^d$ defined by equations over $G$ - endowed with a group law whose coordinates can be expressed as word maps. In the case where $G$ is a torsion-free hyperbolic group and the underlying variety is irreducible we give a complete description of all algebraic groups.

Ended up using a probability game mechanic again today and thought I might explain it here in case other #GameDev folks might find it useful. The basic problem it solves is when you want a percentage probability to be influenced by both beneficial and detrimental stats/effects, and you want these to balance against each other without the system easily tipping too far in either direction. Think about crit chance for example, and how many games have either lopsided systems where it's easy to max out at 100% or really opaque systems to try to balance things somehow. The system I'm about to describe has a nice intuitive explanation, but also permits positive & negative modifiers to balance out naturally (though it may not work well for every situation).

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