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Just-in-time Restoration with Distributed Fiber Sensing in Metropolitan Optical Networks
arXiv:2606.09533v1 Announce Type: new Abstract: Distributed Fiber Sensing (DFS) leverages optical backscattering signals to predict failure events and enable just-in-time restoration in metropolitan optical networks, i.e., without optical amplifiers. In this paper, we study the effectiveness of proactive restoration based on DFS information in all-optical networks, while considering different sensing devices' capabilities. We evaluate whether restoration can be provisioned just-in-time...
On the Role of the Double Fourier Sphere Method in Fast Algorithms on SO(3)
arXiv:2602.06677v3 Announce Type: replace Abstract: We analyze the Double Fourier Sphere (DFS) method on the rotation group $\mathcal{SO}(3)$ in the frequency domain and demonstrate its central role in fast algorithms. Fast Fourier algorithms on $\mathcal{SO}(3)$ are commonly formulated as a Wigner transform - mapping harmonic to Fourier coefficients - followed by a Fourier transform. We revisit this formulation and interpret the Wigner transform as an explicit realization of the DFS method,...
Race against smoke & time: Inside the rescue op at Delhi hotel inferno that killed 21
A large-scale rescue operation involving the Delhi Fire Services (DFS), Delhi Disaster Management Authority (DDMA), police and ambulance services was launched on Wednesday after a massive fire broke out at Flourish Stay B&B in Delhi's Malviya Nagar, killing at least 21 people and injuring several others. The Delhi Fire Service received a call about the fire at around 8.50 am and rushed multiple fire tenders to the spot. Abhilash Kumar Malik, chief fire officer (South Zone) stated, "We...
Single entry-exit route: 21 killed after fire engulfs Delhi hotel; woman jumps from 3rd floor with kid
At least 21 people were killed and several others injured after a massive fire broke out at a restaurant in south Delhi's Malviya Nagar on Wednesday morning, officials said. The blaze erupted at Flourish Stay B&B, which had only single entry-exit route. A large-scale rescue operation was launched involving the Delhi Fire Service (DFS), Delhi Disaster Management Authority (DDMA), police, and ambulance services.
Structural Grid Descriptors Predict Within-Task Solver Success on ARC-AGI
arXiv:2606.09026v1 Announce Type: new Abstract: We ask whether structural properties of intermediate grid states predict whether a symbolic ARC-AGI solver will succeed, framed as a test of conditional mutual information I(X;Y|task) > 0. Across 44,800 runs spanning two architecturally distinct solvers (beam search and Stochastic DFS), 400 ARC tasks, 28 configurations per solver, and both training and evaluation splits, hand-crafted grid descriptors measured at 50% trajectory completion...
Fire breaks out at restaurant in Delhi's Malviya Nagar; 3 rescued
At least 10 people were killed after a fire broke out at a restaurant in Delhi’s Malviya Nagar area on Wednesday morning. The Delhi Fire Services (DFS) said it received a call at 9.45am and rushed teams to the spot. A total of 11 people were rescued from the building, officials added.
Catching the unknown: The drone designed to hunt other drones
After repeated drone sightings at airports and critical infrastructure sites, a German company believes it has found a way to identify who is behind them. A suspected drone sighting brought disruption to Munich airport on Saturday morning, with around 26 flights reportedly diverted and further delays affecting departures. It's the latest in a growing number of drone incidents at German airports.
5-storey building collapses in south Delhi’s Mehrauli; several feared trapped
Several people are feared trapped under the debris after a five-storey building collapsed near Saket Metro station in south Delhi on Saturday evening The building, located on Western Marg in Saidulajab, collapsed entirely, leaving behind a massive mound of rubble, said officials according to news agency PTI. Police sources said a coaching institute operated on the ground floor of the structure, while construction work was underway on the upper floors.
How to bet the RBC Canadian Open: Can Rai's elite ...
TPC Toronto (North) is about creating birdie opportunities, and that's the separator this week at the RBC Canadian Open. Last year, Ryan Fox won the tournament at -18, and at this tournament you need a player that has distance and solid iron play, gives himself birdie looks and makes those shots when chances are given. The course has four reachable par 5s and numerous approaches from 175-plus.