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Coupled 1D Chemical Kinetic Transport and 2D Hydrodynamic Modeling Supports a Modest 1–1.5× Supersolar Oxygen Abundance in Jupiter’s Atmosphere: #Jupiter: https://news.uchicago.edu/story/computer-models-let-scientists-peer-mystery-beneath-jupiters-clouds - atmospheric study finds surprises about our largest neighboring planet and its deep atmosphere.

Towards Efficient Data Structures for Approximate Search with Range Queries
Ladan Kian, Dariusz R. Kowalski
https://arxiv.org/abs/2602.06860 https://arxiv.org/pdf/2602.06860 https://arxiv.org/html/2602.06860
arXiv:2602.06860v1 Announce Type: new
Abstract: Range queries are simple and popular types of queries used in data retrieval. However, extracting exact and complete information using range queries is costly. As a remedy, some previous work proposed a faster principle, {\em approximate} search with range queries, also called single range cover (SRC) search. It can, however, produce some false positives. In this work we introduce a new SRC search structure, a $c$-DAG (Directed Acyclic Graph), which provably decreases the average number of false positives by logarithmic factor while keeping asymptotically same time and memory complexities as a classic tree structure. A $c$-DAG is a tunable augmentation of the 1D-Tree with denser overlapping branches ($c \geq 3$ children per node). We perform a competitive analysis of a $c$-DAG with respect to 1D-Tree and derive an additive constant time overhead and a multiplicative logarithmic improvement of the false positives ratio, on average. We also provide a generic framework to extend our results to empirical distributions of queries, and demonstrate its effectiveness for Gowalla dataset. Finally, we quantify and discuss security and privacy aspects of SRC search on $c$-DAG vs 1D-Tree, mainly mitigation of structural leakage, which makes $c$-DAG a good data structure candidate for deployment in privacy-preserving systems (e.g., searchable encryption) and multimedia retrieval.
toXiv_bot_toot

For the sake of us poor people in First Class seats 1C and 1D, watch your labubus! I don't need your Mickey mouse ear labubumping me in the face at MCO!
All Mickey-esque laboobs must be worn on top of your head between your ears so that you can be easily identified as a part of the capitalist machine unlike us in First Class.

Alt text:
Scott Alexan...
1d
My son has created a primitive pillow fort. My daughter, unable to break her way in, has wandered to the kitchen and is eating his half-
finished dinner while he screams "No! Mine!" from behind his walls. I could stop her, but I think it's important to let children learn important lessons like "When the enemy's fortifications are impregnable, pillage the countryside until starvation forces them out."

Vee (@VeroniqueB99@mastodon.social)
Attached: 1 image

Non-zero Momentum Implies Long-Range Entanglement When Translation Symmetry is Broken in 1D
Amanda Gatto Lamas, Taylor L. Hughes
https://arxiv.org/abs/2601.15345 https://…