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Benchmarking the ORCA PT-2 Boson Sampler using Minimum Dominating Set Problems
Announce Type: cross Abstract: We use boson sampling as part of a gradient-free variational algorithm (the Binary Bosonic Solver) to solve a minimum dominating set problem and compare these results to a number of exact and heuristic classical algorithms. The boson sampling has been performed on the physical PT-2 time-bin interferometer from ORCA Computing. The PT-2 device has been tested here using both a single- and double-loop configuration and the results are compared based on the best...
Benchmarking the ORCA PT-2 Boson Sampler using Minimum Dominating Set Problems
arXiv:2605.30935v2 Announce Type: replace-cross Abstract: We use boson sampling as part of a gradient-free variational algorithm (the Binary Bosonic Solver) to solve a minimum dominating set problem and compare these results to a number of exact and heuristic classical algorithms. The boson sampling has been performed on the physical PT-2 time-bin interferometer from ORCA Computing. The PT-2 device has been tested here using both a single- and double-loop configuration and the results are...
Welfare-Optimal Classification with Accuracy Auctions
Announce Type: new Abstract: Prediction algorithms are increasingly used to inform decisions about humans, but maximizing accuracy$\rule[0.25em]{1em}{0.4pt}$the standard learning objective$\rule[0.25em]{1em}{0.4pt}$does not necessarily maximize user benefits. Instead, we propose optimizing social welfare, defined as the average gain users receive from correct predictions. Welfare enables to express, and therefore account for, heterogeneity in how much users benefit from accuracy.
Basis construction for polynomial spline spaces over arbitrary T-meshes
arXiv:2508.12950v3 Announce Type: replace Abstract : This paper presents the first method for constructing bases for polynomial spline spaces over an arbitrary T-meshes (PT-splines for short). We construct spline basis functions for an arbitrary T-mesh by first converting the T-mesh into a diagonalizable one via edge extension, ensuring a stable dimension of the spline space.
Distinguishing Photoacoustic and Photothermal Neuron Stimulation Through Quantitative Mapping Spatiotemporal Field Evolution
Neuromodulation is a rapidly advancing strategy for modulating brain function and treating neurological disorders, yet the mechanisms of optical neural stimulation remain incompletely understood. A central challenge is that photoacoustic (PA) and photothermal (PT) effects are typically generated simultaneously and evolve on overlapping spatial and temporal scales, making their contributions to neuronal activation difficult to distinguish. Here, we overcome this limitation by integrating two...
Indonesia Asks Police to Probe Hundreds of Firms on Palm Prices
A worker of PT Gunung Sejahtera Ibu Pertiwi, an unit of Astra Agro Lestari, harvests oil palm tree fruits at the company plantation in West Kotawaringin regency, Kalimantan, Indonesia, on Tuesday, Sept. 19, 2023. At Astra Agro Lestari Tbk's unit in Central Kalimantan in Indonesia, the company works with seeds that can yield harvests by the age of 25 months after planting, much earlier that the average variety, and the company researches varieties that could keep trunks to 10 to 15 meters...
Google will livestream The Android Show: I/O Edition on May 12
Google will livestream The Android Show: I/O Edition on May 12 Google I/O is just a couple weeks away, but in keeping with a semi-recent tradition, the folks over in Mountain View are kicking things off early by live streaming the Android Show: I/O Edition on May 12 at 1PM ET/10 AM PT. While Google hasn't released many details about what it's planning to show off, the company says 2026 "is going to be one of the biggest years for Android yet."
WWDC 2026: All the news from Apple’s developers conference
Apple’s annual WWDC event is kicking off on June 8th with a keynote presentation starting at 1PM ET / 10AM PT, where Apple will announce major updates to iOS, macOS, and its other operating systems. Among those updates could be Apple’s delayed Siri overhaul, which has faced setbacks since it was initially announced at WWDC 2024. Apple is revamping Siri with some help from Google Gemini and is also rumored to have a dedicated Siri app in the works. This is also the last keynote...
Magnetometry with Broadband Microwave Fields in Nitrogen-Vacancy Centers in Diamond
arXiv:2510.11720v2 Announce Type: replace-cross Abstract: Nitrogen-vacancy (NV) centers in diamond are optically addressable and versatile light-matter interfaces with practical application in magnetic field sensing, offering the ability to operate at room temperature and reach sensitivities below pT/$\sqrt{\mathrm{Hz}}$. We propose an approach to simultaneously probe all of the magnetically sensitive states using a broadband microwave field and demonstrate that it can be used to measure the...
Extracting accent features in spoken Brazilian Portuguese without sociolinguistic labels
arXiv:2605.30457v2 Announce Type: replace-cross Abstract: Regional accent classification in Brazilian Portuguese (pt-BR) suffers from the need for reliable labeling. While large self-supervised learning (SSL) speech models are powerful, their training pipelines dilute sociophonetic information, since accent labels are generally not reliable or are not used in training objectives. This work introduces a novel workflow for feature extraction using only acoustic labels.