Continuous Local Search
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A Study of Parallel Continuous Local Search
Announce Type: new Abstract: We study parallel Continuous Local Search (CLS) as a solution approach for Boolean satisfiability problems with symmetric pseudo-Boolean (PB) constraints. Here, the $n$-variable PB-satisfiability problem is relaxed to a continuous optimisation problem with a differentiable objective function on an $n$-dimensional hypercube. For satisfiable instances, the global minimisers of this optimisation problem correspond to satisfying assignments of the SAT problem at hand.
A Study of Parallel Continuous Local Search
arXiv:2606.06656v2 Announce Type: replace Abstract: We study parallel Continuous Local Search (CLS) as a solution approach for Boolean satisfiability problems with symmetric pseudo-Boolean (PB) constraints. Here, the $n$-variable PB-satisfiability problem is relaxed to a continuous optimisation problem with a differentiable objective function on an $n$-dimensional hypercube. For satisfiable instances, the global minimisers of this optimisation problem correspond to satisfying assignments of...
Divers at Laos cave to continue search for two men thought to be trapped further down
Photos emerge of rescued Laos divers smiling and in good spirits as search continues for two others Sun 31 May 2026 at 3:48pm In short: After five men were rescued from deep inside a flooded cave in central Laos, search efforts continue for two people thought to still be trapped inside. Rescue teams have been pumping water from flooded sections of the tunnel to get a clearer understanding of the cave. A caving team is in the tunnel now, assessing the water level while specialist divers plan...
Boy missing in river named as search continues
Police name Mackenzie Swift, 11, as the boy they are searching for in the River Don in South Yorkshire.
BERS: Locally Optimal Continuous Algorithm for Maritime Weather Routing with Just-in-Time Arrival
new Abstract: Maritime weather routing must optimize route geometry under dynamic wind-wave conditions, obstacle constraints, and fixed-arrival requirements. We present B\'ezier Evolve and Refine Strategy (\name{}), a two-stage framework that combines global evolutionary search (CMA-ES) with local variational refinement (FMS). Routes are parametrized as B\'ezier curves and evaluated with dense along-path sampling, enabling smooth trajectories while preserving practical feasibility...
Accelerated Fourier SAT (AFSAT): Fully Realising a GPU-based Symmetric Pseudo-Boolean SAT Solver
Announce Type: new Abstract: We present Accelerated Fourier SAT (AFSAT), a GPU-accelerated solver for pseudo-Boolean satisfiability based on continuous local search (CLS). AFSAT realises the proof-of-concept approach, FastFourierSAT, into a fully-engineered solver supporting any heterogeneous mixture of symmetric constraint types and lengths within a single problem instance. Using the JAX compiler, AFSAT leverages pure function composition, automatic vectorisation, automatic differentiation,...
Slipstream: Locality-Aware Graph Index Construction for Streaming Approximate Nearest Neighbor Search
new Abstract: Graph indexes are widely used for high-recall approximate nearest neighbor search (ANNS), but many real-time applications require streaming ANNS. In these real-time applications, continuously arriving embeddings must search the existing graph for candidate neighbors before updating graph edges, which makes repeated index construction a bottleneck for streaming ingestion workloads. We propose Slipstream, a new method that significantly reduces the computational cost of frequent...
Rescuers stop search for last two men lost in Laos cave
Rescuers stop search for last two men lost in Laos cave The search and rescue team say it is too risky to continue the operation. Search and rescue teams in Laos have stopped the search for two men who were stranded in a semi-submerged cave.
Exploring Flow-Lenia Universes with a Curiosity-driven AI Scientist: Discovering Diverse Ecosystem Dynamics
arXiv:2505.15998v4 Announce Type: replace Abstract: We present a curiosity-driven AI scientist method for discovering system-level dynamics in Flow-Lenia, a continuous cellular automaton (CA) with mass conservation and parameter localization. Building on prior work that uses diversity search in Lenia to find individual self-organized patterns, we adapt Intrinsically Motivated Goal Exploration Processes (IMGEPs) to large environments of interacting patterns, using simulation-wide metrics such...
Coast Guard divers search Bahamas for Lynette Hooker after American went missing two months ago: reports
Coast Guard divers search Bahamas for Lynette Hooker after American went missing two months ago: reports Lynette Hooker went missing on April 4, with her husband telling police she went overboard while in a dinghy - Bookmark - CommentsGo to comments A team of Coast Guard divers has continued their search for Lynette Hooker in the Bahamas after the American went missing two months ago on a sailing trip with her husband, Brian Hooker. The Michigan couple was traveling on a dinghy from Hope...