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TT-DAC-PS: Twin-Target Deterministic Actor-Critic with Policy Smoothing for Optimal Trade Execution
arXiv:2606.08379v1 Announce Type: new Abstract: This study addresses the optimal execution of large stock sell programs by introducing TT-DAC-PS (Twin-Target Deterministic Actor-Critic with Policy Smoothing), a deterministic actor-critic architecture that combines twin exponential-moving-average critic targets with pessimistic min backup, TD3-style target policy smoothing noise, delayed actor updates, and conservative Q regularisation to curb overestimation. Exploration uses...
PS-UIE: Privilege-Separated Integrity Enforcement for User-Space Executable Objects in Confidential VMs
arXiv:2606.04549v1 Announce Type: new Abstract: Confidential Virtual Machines (CVMs), such as AMD SEV-SNP, enable cloud tenants to run security-sensitive workloads, but tenants can rely on the execution of these workloads only when they can trust the CVM. This trust requires continuous integrity assurance from CVM launch to the current runtime state, including initial trust establishment at launch and subsequent runtime integrity assurance. Existing works help establish launch-time trust and...
20 ps Non-Destructive Read and 1 ns Write Operations at <5 V in Ferroelectric HfO2/ZrO2 Non-Volatile Memories
arXiv:2606.03677v1 Announce Type: new Abstract: Achieving low-voltage, nanosecond multi-level programming and non-destructive read-out of ferroelectric non-volatile memories (NVM) is critical for analog in-memory computing architectures relying on ferroelectric capacitive devices (FeCap). We integrate HfO2/ZrO2 ferroelectric nanolayers concurrently in the BEOL of CMOS and on SiO2/Si, achieving nanosecond multilevel switching with programming voltages below 5 V. Partial ferroelectric...
Paddle-steamer first launched 120 years ago returns to working life
Historic paddle-steamer PS Canally returns to working life with love from volunteers Mon 1 Jun 2026 at 2:38pm In short: The PS Cannally paddle-steamer has hosted its first public cruises at the Living River Festival in Morgan. The boat was built in 1907 and moored in Victoria in the 1950s, where it sank due to inattention. A group of volunteers raised the boat in 1998, and it took 15 years, 4,500 volunteer hours and $1.5 million to restore it.
Performance of an LYSO-Based Active Converter for a Conversion Spectrometer aiming for 52.8 MeV photon detection in Future $\mu^+ \to e^+ \gamma$ Search Experiments
arXiv:2512.24209v3 Announce Type: replace Abstract: To facilitate future $\mu^+ \to e^+ \gamma$ search experiments with a branching-ratio sensitivity of $10^{-15}$, we are developing a conversion spectrometer that incorporates an active LYSO converter. The converter generates $e^+e^-$ pairs from incident photons while simultaneously measuring their energy deposition and timing, thereby enabling precise reconstruction of 52.8 MeV photons. The design goals include a time resolution of 30 ps...
Remakes of Myst and Riven are coming to PlayStation, Xbox and the Microsoft Store
Remakes of Myst and Riven are coming to PlayStation, Xbox and the Microsoft Store Developer Cyan Worlds is releasing remakes of the classic adventure game Myst and its sequel Riven on PlayStation 5, Xbox Series X/S and the Microsoft Store. Myst was previously available on the Xbox, but both games have now been lovingly updated for modern hardware, including Sony's PlayStation VR2 headset. On the PS5, both Myst and Riven can be played in 2D flat screen mode or VR using the PS VR2.
A homodyne detection scheme for all-optical photon-photon scattering experiments using 2D detectors
arXiv:2606.07460v1 Announce Type: cross Abstract: Low signal-to-noise ratios are a common problem in experiments attempting to measure photon-photon scattering. In the optical regime, where petawatt lasers with femtosecond pulse durations are used, the large beam sizes cause the major contribution of the background to be spread over up to 100 ps in arrival time, whereas the signal is confined to the femtosecond scale. We present a balanced homodyne measurement scheme, which exploits this...
Microsoft Flight Simulator 2024 support for PlayStation VR2 is now live
Microsoft Flight Simulator 2024 support for PlayStation VR2 is now live Microsoft Flight Simulator 2024 soared across the great console divide to land on PlayStation 5 in December, but players have had to bide their time to experience the game on a PlayStation VR2 headset. Now, they can do just that after the latest update went live on Thursday. Along with PS VR2 support, the update introduces an option for players to switch off the heads-up display in VR and retain it in 2D modes.
TMC neta accused of graft tonsured, paraded with garland of shoes by villagers, arrested
A Trinamool neta accused of corruption was shaved bald, made to wear a garland of shoes, and paraded through the village by residents on Sunday morning in Shyampur, Howrah. Police have arrested him. A dominant Trinamool neta of the Amradaha Gram Panchayat under Shyampur PS, Sannayashi Manna (Sannyasi Manna) has been accused of forcibly taking money meant for 100-day work, collecting illegal cuts under the housing scheme, extortion, grabbing land and fisheries, assault, and...
NEET paper leak row: SC refuses urgent hearing of plea seeking computer-based retest
The Supreme Court on Monday refused an urgent hearing on a plea seeking that the NEET UG 2026 re-examination, scheduled for June 21, be conducted in computer-based test (CBT) mode instead of the traditional pen-and-paper format. The plea was mentioned before a partial-working-day bench comprising Justices PS Narasimha and Arvind Kumar, which declined to take up the matter urgently and said it would be listed after the court vacation. Responding to the plea, Justice Narasimha said, "They...