Tootfinder

#ndwgoecountdown Meteoriten – Boten aus dem All
Immer wieder bahnen sich Gesteinsbrocken aus dem Weltall ihren Weg auf die Erde. Meteoriten sind interessant für Forschende. Denn die Brocken sind Zeitzeugen der Entstehung des Sonnensystems. Ihre genaue Zusammensetzung kann helfen zu verstehen, wie das Sonnensystem zu dem Ort wurde, den wir heute kennen. Mit echten Meteoriten zu…

The overflow in the Katona Theorem
Peter Frankl, Jian Wang
https://arxiv.org/abs/2506.05704 https://arxiv.org/pdf/2506.05704

The overflow in the Katona Theorem
Let $n>2r>0$ be integers. We consider families $\mathcal{F}$ of subsets of an $n$-element set, in which the union of any two members has size at most $2r$. One of our results states that for $n\geq 6r$ the number of members of size exceeding $r$ in $\mathcal{F}$ is at most $\binom{n-2}{r-1}$. Another result shows that for $n>3.5r$ the number of sets of size at least $r$ is at most $\binom{n}{r}$. Both bounds are best possible and the latter sharpens the classical Katona Theorem. Similar results…

Deutsche Industrie baut 100.000 Jobs binnen eines Jahres ab
Die Wirtschaftskrise hinterlässt Spuren in der Industrie. Vor allem Autohersteller bauen Stellen ab, andere Branchen sind weniger betroffen.

Das #Leckerli zum Probieren:
Knackig, süß und ohne Industriezusätze: Diese #Müsliriegel mit #Haferflocken,

Müsliriegel selber machen – gesunder Snack für unterwegs
Du suchst einen gesunden Snack für unterwegs? Diese Müsliriegel sind einfach gemacht, lecker und ideal für Wanderungen oder den kleinen Hunger!

The ILD Detector: A Versatile Detector for an Electron-Positron Collider at Energies up to 1 TeV
H. Abramowicz, D. Ahmadi, J. Alcaraz, O. Alonso, L. Andricek, J. Anguiano, O. Arquero, F. Arteche, D. Attie, O. Bach, M. Basso, J. Baudot, A. Bean, T. Behnke, A. Bellerive, Y. Benhammou, M. Berggren, G. Bertolone, M. Besancon, A. Besson, O. Bezshyyko, G. Blazey, B. Bliewert, J. Bonis, R. Bosley, V. Boudry, C. Bourgeois, I. Bozovic Jelisavcic, D. Breton, J. -C. Brient, B. Brudnowski, V. Bues…

The ILD Detector: A Versatile Detector for an Electron-Positron Collider at Energies up to 1 TeV
The International Large Detector, ILD, is a detector concept for an experiment at a future high energy lepton collider. The detector has been optimised for precision physics in a range of energies from 90~GeV to about 1~TeV. ILD features a high precision, large volume combined silicon and gaseous tracking system, together with a high granularity calorimeter, all inside a central solenoidal magnetic field. The paradigm of particle flow has been the guiding principle of the design of ILD. ILD is …

Bei dem wechselhaften Wetter ein paar Arbeiten für drinnen gefunden. Die Bienen brauchen mehr Platz für Honig, deshalb Zargen bauen und Mittelwände einlöten.
Frühtracht war eher schwach, aber um die Ecke stehen 14 Linden kurz vor der Blüte. Lecker.
#Bienen #beekeeping

Federal prosecutor reportedly quit over concern Ábrego García indictment was politically motivated
Ben Schrader resigned same day people-smuggling charges were filed against Maryland man wrongly deported to El Salvador, media report says
Kilmar Ábrego García returned from El Salvador to face criminal charges in US

#NowPlaying Happy regular Friday. It’s a perfect day for this recording of Jim O’Rourke live at Banana Hall in Osaka, Japan from *checks notes* 1999. https://archive.org/details/jim-o-rour

A construction that preserves the configuration of a matroid, with applications to lattice path matroids
Joseph E. Bonin, Anna de Mier
https://arxiv.org/abs/2506.06109

A construction that preserves the configuration of a matroid, with applications to lattice path matroids
The configuration of a matroid $M$ is the abstract lattice of cyclic flats (flats that are unions of circuits) where we record the size and rank of each cyclic flat, but not the set. One can compute the Tutte polynomial of $M$, and stronger invariants (notably, the $\mathcal{G}$-invariant), from the configuration. Given a matroid $M$ in which certain pairs of cyclic flats are non-modular, we show how to produce a matroid that is not isomorphic to $M$ but has the same configuration as $M$. We sh…

The US supreme court on Friday permitted DOGE, the so-called ‘department of government efficiency’, broad access to personal information on millions of Americans in Social Security Administration data systems while a legal challenge plays out.
At the request of the Justice Department, the justices put on hold US district judge Ellen Hollander’s order that had largely blocked Doge’s access to “personally identifiable information”
in data such as medical and financial records while …