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@kexpmusicbot@mastodonapp.uk
2025-12-24 11:05:42

🇺🇦 #NowPlaying on KEXP's #VarietyMix
Tkay Maidza:
🎵 Nights In December
#TkayMaidza
open.spotify.com/track/4gzI4zt

@arXiv_mathOC_bot@mastoxiv.page
2025-09-24 09:28:04

Kernel Variational Inference Flow for Nonlinear Filtering Problem
Weiye Gan, Zhijun Zeng, Junqing Chen, Zuoqiang Shi
arxiv.org/abs/2509.18589

Kernel Variational Inference Flow for Nonlinear Filtering Problem
We present a novel particle flow for sampling called kernel variational inference flow (KVIF). KVIF do not require the explicit formula of the target distribution which is usually unknown in filtering problem. Therefore, it can be applied to construct filters with higher accuracy in the update stage. Such an improvement has theoretical assurance. Some numerical experiments for comparison with other classical filters are also demonstrated.

@matths@toot.community
2025-10-23 21:34:19

I finished my Vienna canework pattern (Wiener Geflecht), its just a first PoC, maybe it needs some more refactoring before I might think about some round variation.
#openscad #3dmodelling #3dprinting

openscad render view showing some vienna canework pattern made out of different sinus shaped polyhedrons. it is colored so it looks similar to the well known pattern from Thonet coffeeshop chairs
@hikingdude@mastodon.social
2025-10-20 17:32:23

That's how our hike at the #mummelsee started ... and how it was when we were up there. - But the walk was quite okay.
We checked the rain radar and decided to go back down rather quickly. We leveraged our rain gear and it did not disappoint us! 🙂
So we didn't see the area atop - the so called

Perched atop a densely forested hillside, a quaint observation tower and building overlook a tranquil scene. The lush, evergreen forest—rich with deep greens and hints of lighter foliage—cascades down toward a calm, reflective lake below. The sky above is overcast, casting a soft, diffused light that mutes the colors into soothing tones, creating an atmosphere of quiet serenity. The structure at the summit, partially obscured by the treetops, suggests a rewarding destination for hikers seeking…
A quiet, winding trail meanders through a lush forest, inviting exploration into its verdant depths. Towering trees, their trunks a mix of muted browns and grays, stretch upward to form a dense canopy overhead, filtering the soft, diffused light that gently illuminates the path. The forest floor is a tapestry of earthy tones, with scattered stones and roots peeking through a bed of pine needles and fallen leaves. To the right, a rocky slope is adorned with vibrant green moss and delicate ferns…
Shrouded in a veil of soft, misty gray, a solitary stone tower rises from the foggy highlands, its rugged silhouette blending seamlessly with the muted tones of the overcast sky. The tower, sturdy and timeless, is accompanied by a quaint building with a green-tinged roof, its wooden bench inviting weary hikers to rest. The gravel path leading to the structure hints at countless journeys taken, each step a story of adventure and exploration. The atmosphere is one of quiet mystery and contemplat…
A misty veil of soft gray clouds lingers over this tranquil mountain lake, creating an air of quiet mystery. The dense forest, a lush tapestry of evergreen pines and scattered deciduous shrubs, frames the still waters below. Vibrant green foliage contrasts subtly with the muted tones of weathered rocks in the foreground, adding texture to the scene. The lake itself rests peacefully, its surface barely disturbed, reflecting the muted light filtering through the overcast sky. A faint outline of …
@kexpmusicbot@mastodonapp.uk
2025-10-23 06:11:46

🇺🇦 #NowPlaying on #KEXP's #VarietyMix
Lorelle Meets the Obsolete:
🎵 Regresar / Recordar
#LorelleMeetstheObsolete
obsoletelorelle.bandcamp.com/t
open.spotify.com/track/76XRbJS

@jby@ecoevo.social
2025-11-06 16:54:05

Cuckoo eggs match the eggs of their adoptive hosts thanks to (mostly) loci inherited from their mothers, who put them there — impressive multifaceted genomic study #science

Fig 2 from the linked paper, captioned: Fig. 2. Matrilineal variation is associated with egg diversification in C. canorus. (A) Matrilineal W chromosome phylogeny (n = 60 canorus, 27 optatus), with corresponding autosomal groups (A), geographic groups (G), and egg morphs indicated below each tip, each representing an unrelated female with known egg morph. Diamonds indicate node support exceeding 95% (SHaLRT). (B) Phenotypic variation within canorus (ECC) and optatus (ECO) egg morphs. (C) Variat…
@arXiv_mathOC_bot@mastoxiv.page
2025-10-15 09:08:11

New Classes of Non-monotone Variational Inequality Problems Solvable via Proximal Gradient on Smooth Gap Functions
Lei Zhao, Daoli Zhu, Shuzhong Zhang
arxiv.org/abs/2510.12105

New Classes of Non-monotone Variational Inequality Problems Solvable via Proximal Gradient on Smooth Gap Functions
In this paper, we study the local linear convergence behavior of proximal-gradient (PG) descent algorithm on a parameterized gap-function reformulation of a smooth but non-monotone variational inequality problem (VIP). The aim is to solve the non-monotone VI problem without assuming the existence of a Minty-type solution. We first introduce and study various error bound conditions for the gap functions in relation to the VI model. In particular, we show that uniform type error bounds imply leve…

@kexpmusicbot@mastodonapp.uk
2025-12-13 21:39:46

🇺🇦 #NowPlaying on KEXP's #VarietyMix
Tkay Maidza:
🎵 Where Is My Mind?
#TkayMaidza
open.spotify.com/track/0UsNgv6

@arXiv_mathOC_bot@mastoxiv.page
2025-10-14 11:42:58

Variational Analysis in Spectral Decomposition Systems
H\`oa T. B\`ui, Minh N. B\`ui, Christian Clason
arxiv.org/abs/2510.11433 arxiv.org/p…

Variational Analysis in Spectral Decomposition Systems
This work is concerned with variational analysis of so-called spectral functions and spectral sets of matrices that only depend on eigenvalues of the matrix. Based on our previous work [H. T. Bùi, M. N. Bùi, and C. Clason, Convex analysis in spectral decomposition systems, arXiv 2503.14981] on convex analysis of such functions, we consider the question in the abstract framework of spectral decomposition systems, which covers a wide range of previously studied settings, including eigenvalue de…

@kexpmusicbot@mastodonapp.uk
2025-10-11 20:35:55

🇺🇦 #NowPlaying on KEXP's #VarietyMix
Jeff Tweedy:
🎵 Out in the Dark
#JeffTweedy
jefftweedy.bandcamp.com/track/
open.spotify.com/track/7MtQJKh