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B&M £2 item 'brings colour to gardens' and 'brightens up spaces'

B&M £2 item 'brings colour to gardens' and 'brightens up spaces' The high street retailer is continuing to expand its garden range with budget-friendly options Garden transformations are topping the wish lists of many shoppers this summer, and B&M has launched a range of new offers designed to help customers revamp their outdoor areas without breaking the bank. From seating and illumination to ornamental touches and functional extras, the discount chain is steadily building its garden...

Daily Mirror 9d ago

40% boost in extreme ultraviolet conversion efficiency via simultaneous dual-beam 2-{\mu}m laser irradiation

Announce Type: new Abstract: Scaling extreme ultraviolet (EUV) source power for next-generation lithography demands higher conversion efficiency (CE) at reduced per-pulse energies. We demonstrated a 40% CE enhancement by simultaneous dual-beam irradiation of a planar Sn target with a 2090-nm, 20-ns Ho:YAG laser. Single-beam irradiation at 40 mJ yielded an EUV CE of 2.6%; splitting the same total energy equally into two beams of 20 mJ each - at identical peak intensity - raised the EUV CE to...

arXiv Physics 1d ago

Klein--Gordon and Dirac Oscillators with an Apparent Mass Induced by the Momentum-Space Dual of the Fock--Lorentz Transformations

arXiv:2606.05226v1 Announce Type: new Abstract: We propose a controlled momentum-space dual of the Fock--Lorentz (FL) transformations and use it to derive a deformed relativistic mass shell. Restricting the FL conformal factor to the cosmological-frame world line $\vx=0$, the invariant relation takes the form $(E^{2}-\vp^{2}c^{2})(1+ct/R)^{2}=m_{0}^{2}c^{4}$, which is equivalent to the standard special-relativistic dispersion law with a time-dependent apparent mass $\mapp(t)=m_{0}/(1+ct/R)$....

arXiv Physics 5d ago

Degrees of Freedom of Over-the-Air Computation over a MIMO Gaussian Network with Two Transmitters and Two Receivers

Announce Type: new Abstract: The fundamental limits of over-the-air computation (AirComp) are explored in a two-transmitter, two-receiver MIMO Gaussian network, where both receivers demand the same aggregation of source symbols originating at the two transmitters. An AirComp degrees of freedom (ACDoF) metric is defined, constrained by an asymptotic mean-squared error threshold. For a generic MIMO setting where the two transmitters are equipped with $M_1, M_2$ antennas, and the two receivers...

arXiv CS 2d ago

Comparing Controller-Free Pointing Techniques Across Depth for 2D Selection in Augmented Reality

arXiv:2606.08441v1 Announce Type: new Abstract: This paper presents a systematic evaluation of five controller-free pointing techniques for 2D target selection in AR, using ISO 9241-411. We compared them across multiple depths (2 m, 6 m, 10 m) in terms of movement time, accuracy, throughput, and workload (NASA TLX). Head- and eye-based pointing significantly outperformed the hand-based methods (Finger, Wrist, and Arm); Head input was the most accurate and remained the most consistent across...

arXiv CS 1d ago

Reed-Muller Codes for Joint Random and Stuck-At Error Correction

arXiv:2605.21727v2 Announce Type: replace Abstract: Block codes are considered for improving the reliability of messages stored in a computer memory with both stuck-at defects and random errors. It is assumed that the side information about the state of the defects is available to the encoder, but not to the decoder. A novel recursive construction of a set of masks is developed such that it can satisfy any $s$ stuck-at errors in a $2^m$ binary sequence, when $s \leq m$. We prove that the...

arXiv CS 2d ago

Listing Even Cycles Faster than the Submodular-Width Barrier

arXiv:2605.30564v1 Announce Type: new Abstract: A classic result of Alon, Yuster, and Zwick (AYZ, Algorithmica 1997) shows that all $2k$-cycles in an $m$-edge graph can be listed in $\tilde O(m^{2-1/k}+t)$ time, where $t$ is the output size. This bound underlies the {\em submodular width} of Marx (JACM 2013) and the PANDA framework of Abo Khamis, Ngo, and Suciu (PODS 2017), which extend AYZ to arbitrary conjunctive queries with degree constraints. A central open question is whether...

arXiv CS 9d ago

Non-Splitting Coflow Scheduling with Provable Guarantees in Heterogeneous Parallel Networks

arXiv:2501.09293v5 Announce Type: replace Abstract: As a prominent network abstraction, coflow models efficiently capture communication patterns in data centers. Since coflow scheduling in large-scale data centers is $\mathcal{NP}$-hard, the existing literature has predominantly focused on limited environments with $m=2$ network cores, relying on flow splitting, which introduces substantial operational overhead. Crucially, no approximation algorithm with provable performance guarantees has...

arXiv CS 8d ago

Victor Wembanyama confident he can help Spurs stage NBA finals comeback: ‘This is what I’m built for’

San Antonio 2-0 down in best-of-seven seriesGame 3 is on Monday night at Madison Square Victor Wembanyama’s dream run in his first NBA playoffs has taken a nightmarish turn, but the San Antonio Spurs star says he is embracing the setbacks as well as the success. “I think the key is acceptance a lot of times, taking a step back, realizing all the journey that’s behind this and what’s ahead of this,” Wembanyama said on Sunday as the Spurs prepared for a crucial Game 3 of the NBA finals in what...

The Guardian Sport 3d ago