Tootfinder

Water wave interactions with surface-piercing vertical barriers in a rectangular tank: Connections with Bloch waves and quasimodes
Ben Wilks, Fabien Montiel, Luke G. Bennetts, Sarah Wakes
https://arxiv.org/abs/2404.06743

Water wave interactions with surface-piercing vertical barriers in a rectangular tank: Connections with Bloch waves and quasimodes
Eigenmodes are studied for a fluid-filled rectangular tank containing one or more vertical barriers, and on which either Dirichlet or Neumann boundary conditions are prescribed on the lateral walls. In the case where the tank contains a single barrier, the geometry of the tank is equivalent to the unit cell of the cognate periodic array, and its eigenmodes are equivalent to standing Bloch waves. As the submergence depth of the barrier increases, it is shown that the passbands (i.e.\ frequency i…

Szczecina część druga, czyli #Szczecin Zdroje.
Na Zdrojach znajdziemy dwie atrakcje: Park Leśny Zdroje, oraz szerszą Puszczę Bukową, wraz z pobliskim rezerwatem Bukowe Zdroje. Dziś zajmę się wyłącznie tym pierwszym. O drugiej natomiast powiem tyle, że jest to olbrzymi kompleks ze zróżnicowanym terenem, którego nie powstydziłyby się pomniejsze tereny górskie. Można tam wędrować godzinami.

Grouping predictors via network-wide metrics
Brandon Woosuk Park, Anand N. Vidyashankar, Tucker S. McElroy
https://arxiv.org/abs/2405.02715 https://…

Grouping predictors via network-wide metrics
When multitudes of features can plausibly be associated with a response, both privacy considerations and model parsimony suggest grouping them to increase the predictive power of a regression model. Specifically, the identification of groups of predictors significantly associated with the response variable eases further downstream analysis and decision-making. This paper proposes a new data analysis methodology that utilizes the high-dimensional predictor space to construct an implicit network …

SPLICE -- Streamlining Digital Pathology Image Processing
Areej Alsaafin, Peyman Nejat, Abubakr Shafique, Jibran Khan, Saghir Alfasly, Ghazal Alabtah, H. R. Tizhoosh
https://arxiv.org/abs/2404.17704 https://arxiv.org/pdf/2404.17704
arXiv:2404.17704v1 Announce Type: new
Abstract: Digital pathology and the integration of artificial intelligence (AI) models have revolutionized histopathology, opening new opportunities. With the increasing availability of Whole Slide Images (WSIs), there's a growing demand for efficient retrieval, processing, and analysis of relevant images from vast biomedical archives. However, processing WSIs presents challenges due to their large size and content complexity. Full computer digestion of WSIs is impractical, and processing all patches individually is prohibitively expensive. In this paper, we propose an unsupervised patching algorithm, Sequential Patching Lattice for Image Classification and Enquiry (SPLICE). This novel approach condenses a histopathology WSI into a compact set of representative patches, forming a "collage" of WSI while minimizing redundancy. SPLICE prioritizes patch quality and uniqueness by sequentially analyzing a WSI and selecting non-redundant representative features. We evaluated SPLICE for search and match applications, demonstrating improved accuracy, reduced computation time, and storage requirements compared to existing state-of-the-art methods. As an unsupervised method, SPLICE effectively reduces storage requirements for representing tissue images by 50%. This reduction enables numerous algorithms in computational pathology to operate much more efficiently, paving the way for accelerated adoption of digital pathology.

On this day in 2017, the world said goodbye to Neil Long. Many people seeing this probably won't have any idea who this is. He wanted no special mention or remembrance upon his passing, but I'm going to keep ignoring his wishes, because he was a friend, colleague, and a person who deserves to be remembered.
When I met him he was doing #infosec at Oxford University. He was involved in early various botnet and DDoS mitigation activities and maintained darknet services plus a howto page for many years. He was on the board of FIRST.org and was one of the founders of Team Cymru.
One of my fondest memories of him was the way he completely dismantled some poor fellow who posed some challenge or question in a very rude manner. The best part of Neil's retort, was not what he said, but how he said it. In that finely honed, proper, and understated British way, Neil ultimately dismissed him and moved on. I don't think the recipient fully understood he had been completely flattened until hours later.

Dziś powtórka z trasy #Drawiny — #NoweDrezdenko. Znów zaliczyliśmy dołączanie drugiej jednostki w Krzyżu, ale tym razem wyrobili się w 10 minut — niemniej, nie polecam podróżować w niedzielę.
Na zdjęciach:
1., 2. #moczary

Candidate platform for studying flatband-induced spin-triplet superconductivity
P. Sidorczak, W. Wolkanowicz, A. Kaleta, M. W\'ojcik, S. Giera{\l}towska, K. Gas, T. P{\l}oci\'nski, R. Minikayev, S. Kret, M. Sawicki, T. Wojtowicz, D. Wasik, M. Gryglas-Borysiewicz, K. Dybko
https://arxiv.org/abs/2406.04447

Candidate platform for studying flatband-induced spin-triplet superconductivity
This paper explores the potential for spin-triplet superconductivity in molecular beam epitaxy-grown IV-VI semiconductor superlattices. The findings present compelling evidence for spin-triplet pairing in PbTe/SnTe by the method of soft point-contact spectroscopy and spin-polarised point-contact spectroscopy. The experimental data are understood with the Anderson-Brinkman-Morel model of p-wave electron pairing. It is pointed out that emergent superconductivity can have its origin in topological…

#AmazonWarehouse workers take day off to supplement wages with #CrimeSpree at #OaklandAirport #ParkingLot. Alleged getaway driv…

Invariant measures as obstructions to attractors in dynamical systems and their role in nonholonomic mechanics
L. C. Garc\'ia-Naranjo, R. Ortega, A. J. Ure\~na
https://arxiv.org/abs/2404.14156

Invariant measures as obstructions to attractors in dynamical systems and their role in nonholonomic mechanics
We present some rigorous results on the absence of a wide class of invariant measures for dynamical systems possessing attractors. We then consider a generalization of the classical nonholonomic Suslov problem which shows how previous investigations of existence of invariant measures for nonholonomic systems should necessarily be extended beyond the class of measures with strictly positive $C^1$ densities if one wishes to determine dynamical obstructions to the presence of attractors.

Dziś wygrzebuję zdjęcia z Górek Noteckich, do których publikacji przymierzałem się już ponad miesiąc.
Trasa to ścieżka po wschodniej stronie rzeki Santocznej, w rezerwacie Buki Zdroiskie im. prof. Lucjana Agapowa (dwa pierwsze zdjęcia), a dalej Jezioro Wełminko (trzecie zdjęcie) i połączone z nim Jezioro Duże Wełmino (ostatnie zdjęcie). Ścieżka biegnie wschodnim brzegiem jezior, ale na odcinku pomiędzy jeziorami była nieco zarośnięta (wówczas mokrą trawą, na którą nie miałem właściwego…