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React to Surprises: Stable-by-Design Neural Feedback Control and the Youla-REN
arXiv:2506.01226v3 Announce Type: replace Abstract: We study parameterizations of stabilizing nonlinear policies for learning-based control. We propose a structure based on a nonlinear version of the Youla-Kucera parameterization combined with robust neural networks such as the recurrent equilibrium network (REN). The resulting parameterizations are unconstrained, and hence can be searched over with first-order optimization methods, while always ensuring closed-loop stability by construction.
New light-powered chip could accelerate AI and quantum computing
New light-powered chip could accelerate AI and quantum computing - Date: - June 2, 2026 - Source: - Monash University - Summary: - Scientists have created a tiny chip that can generate, steer, and read light-based information all in one device, marking a major leap toward ultra-fast, energy-efficient computing. The breakthrough uses atomically thin materials and nanoscale structures to control a unique quantum property of light called the “valley” degree of freedom, allowing information to...
Data Center Operators Are Trying to Fix Their Water Use Problems
On Monday, SpaceX amended its initial public offering to state that water conditions—including water scarcity, regulations around water, and drought—could constrain data center development. It isn’t the only tech company trying to assess how water scarcity might impact its business. Water use is emerging as one of the most contentious data center issues.
R2DN: Scalable Parameterization of Contracting and Lipschitz Recurrent Deep Networks
arXiv:2504.01250v2 Announce Type: replace Abstract: This paper presents the Robust Recurrent Deep Network (R2DN), a scalable parameterization of robust recurrent neural networks for machine learning and data-driven control. We construct R2DNs as the feedback interconnection of a linear time-invariant system and a 1-Lipschitz deep feedforward network, and directly parameterize the weights so that our models are stable (contracting) and robust to small input perturbations (Lipschitz) by...
Doctors thought this kidney drug helped some patients. It may help millions more.
Doctors thought this kidney drug helped some patients. It may help millions more. - Date: - June 8, 2026
In situ nanocrystal confinement for efficient blue perovskite LEDs
Abstract Metal halide perovskites have emerged as promising semiconductors for light-emitting diodes (LEDs) owing to their excellent luminescence properties1. However, their performance remains limited, primarily owing to the inherent contradiction between ‘high crystallinity’ and ‘small size’ in the in situ synthesis of perovskite nanocrystals on substrates. Here we report efficient blue perovskite LEDs (PeLEDs) achieved via in situ polymerization-driven nanocrystal confinement to...
Celebrity birthdays for the week of June 14-20 includes Paul McCartney, Paula Abdul and Ice Cube
Celebrity birthdays for the week of June 14-20 includes Paul McCartney, Paula Abdul and Ice Cube Celebrities having birthdays during the week of June 14-20 includes musician Paul McCartney, rapper-actor Ice Cube and “Roseanne” actor Laurie Metcalf - Bookmark Celebrity birthdays for the week of June 14-20: June 14: Actor Marla Gibbs is 95. Singer Rod Argent of The Zombies and Argent is 81. Singer Janet Lennon of The Lennon Sisters is 80.
Whole-genome duplication shaped cell-type evolution in the vertebrate brain
Abstract The complex brains of vertebrates have more cell types than those of their closest relatives. Whole-genome duplications (WGDs) occurred during early vertebrate evolution1, but it is unclear whether the duplicated genes (ohnologues) facilitated cell-type evolution. Here using brain single-cell transcriptomes from five chordates—human2, mouse3, lizard4, lamprey5 and amphioxus—we report that many cell-type families with conserved core transcription factors in vertebrates do not show...
Three men charged over alleged MBS robbery where woman and child were locked on balcony
Three men charged over alleged MBS robbery where woman and child were locked on balcony The three are accused of jointly robbing the victim, during which they allegedly grabbed her neck and pushed her. Three men accused of robbing a woman, and then locking her and her child on a balcony at Marina Bay Sands were charged in court on Wednesday (Jun 3).
How heavy can a neutron star get?
How heavy can a neutron star get? Sadie Harley Scientific Editor Andrew Zinin Lead Editor The physics of neutron stars are almost too fantastic to believe: something the weight of two suns compacted to a sphere the size of a city.