Tootfinder

Mediazona confirms identities of over 49,200 Russian soldiers killed in Ukraine: https://benborges.xyz/2024/03/30/mediazona-confirms-identities.html

Apparently NOT an "Onion" story 😉
LEGO tells California police: stop putting our heads on your mugshots;
Toy company makes request after altered images – which hide suspects’ identities in line with state law – go viral
https://www.theguardian.c…

TikTok users with stigmatized interests or marginalized identities express anxiety over its potential ban, as rebuilding their communities elsewhere may be hard (Washington Post)
https://wapo.st/3vYgRMU

They found safe spaces on TikTok. A ban could devastate their communities.
With President Biden signing a bill that could ban TikTok, groups such as GriefTok and DeafTok fear they’ll lose an inimitable source of comfort and connection.

This https://arxiv.org/abs/2402.14799 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Weak polynomial identities of small degree for the Weyl algebra
In this paper we investigate weak polynomial identities for the Weyl algebra $\mathsf{A}_1$ over an infinite field of arbitrary characteristic. Namely, we describe weak polynomial identities of the minimal degree, which is three, and of degrees 4 and 5. We also describe weak polynomial identities is two variables.

Mediazona confirms identities of over 50,400 Russian soldiers killed in Ukraine: https://benborges.xyz/2024/04/21/mediazona-confirms-identities.html

A duality for nonabelian group codes
Prairie Wentworth-Nice
https://arxiv.org/abs/2402.17597 https://arxiv.org/pdf/2402.17597<…

A duality for nonabelian group codes
In 1962, Jesse MacWilliams published a set of formulas for linear and abelian group codes that among other applications, were incredibly valuable in the study of self-dual codes. Now called the MacWilliams Identities, her results relate the weight enumerator and complete weight enumerator of a code to those of its dual code. A similar set of MacWilliams identities has been proven to exist for many other types of codes. In 2013, Dougherty, Solé, and Kim published a list of fundamental open ques…

Properties of the complementarity set for the cone of copositive matrices
O. I. Kostyukova
https://arxiv.org/abs/2404.17375 https://a…

Properties of the complementarity set for the cone of copositive matrices
For a proper cone $K$ and its dual cone $K^*$ in $\mathbb R^n$, the complementarity set of $K$ is defined as ${\mathbb C}(K)=\{(x,y): x\in K,\; y\in K^*,\, x^\top y=0\}$. It is known that ${\mathbb C}(K)$ is an $n$-dimensional manifold in the space $\mathbb R^{2n}$. If $ K$ is a symmetric cone, points in ${\mathbb C}(K)$ must satisfy at least $n$ linearly independent bi-linear identities. Since this knowledge comes in handy when optimizing over such cones, it makes sense to search for similar…

fresh_webs: Freshwater stream webs
A set of 26 networks of trophic-level species interactions in streams in New Zealand, Maine and North Carolina. Networks include the identities of aquatic insect, algae and fish species and their trophic interactions. Excel and plain text adjacency matrices available; webs can be downloaded individually or as a group.
This network has 105 nodes and 343 edges.
Tags: Biological, Food web, Unweighted, Metadata

This https://arxiv.org/abs/2303.07350 has been replaced.
initial toot: https://mastoxiv.page/@arXiv_mat…

Hypergeometric identities related to Ruijsenaars systems
We present and prove hypergeometric identities which play a crucial role in the theory of Baxter operators in the Ruijsenaars model.

Mediazona confirms identities of over 44,600 Russian soldiers killed in Ukraine: https://benborges.xyz/2024/02/19/mediazona-confirms-identities.html