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Related Articles from SNS
Should women work? Edelweiss MF CEO asks as India's birth rate falls
India’s fertility rate has now fallen below the replacement level and it is raising fresh concerns and questions about the country’s long-term growth trajectory. For those unaware, the replacement rate refers to the number of children needed per woman to maintain a stable population. While India still benefits from the demographic momentum due to its young population, the structural shift could reshape the nation’s economic future.
Mean-Field Diffuser: Scaling Offline MARL to Thousands of Agents
arXiv:2605.30190v2 Announce Type: replace Abstract: Diffusion-based planning has achieved strong results in single-agent offline reinforcement learning, yet scaling to many-agent systems remains intractable due to the curse of dimensionality in the joint trajectory space. We introduce MF-Diffuser, a framework that lifts trajectory planning to the Wasserstein space of trajectory distributions, where the propagation of chaos ensures a small representative subset of agents captures the full...
On multi-fidelity methods for a tumor growth model with uncertainties
arXiv:2606.03607v1 Announce Type: new Abstract: We develop a hierarchical multi-fidelity (MF) framework for efficient uncertainty quantification of porous-medium equation (PME) tumor growth models with moving free boundaries. The proposed approach combines coarse-grid PME solvers, level-set approximations of the Hele--Shaw limit, and fine-grid asymptotic-preserving PME discretizations, thereby integrating both discretization-based and asymptotic-model-based fidelity reduction. To guide the...
Pulisic an 8/10, USMNT's best player in pre-World ...
Christian Pulisic nabbed a goal and an assist in the first half before Folarin Balogun's eventual game-winning goal in the second half paced the U.S. men's national team in their 3-2 friendly win Sunday against Senegal at Bank of America Stadium in Charlotte. Pulisic set up Sergiño Dest's opener before scoring one himself to give the U.S. a 2-0 lead before Sadio Mané scored on both sides of halftime in a chaotic second half that was decided by Balogun's goal. Of course, this was the first of...
Beyond Linear and Overcomplete Regimes: A Mean-Field Analysis of Bottleneck Autoencoders
arXiv:2606.07120v1 Announce Type: new Abstract: Autoencoders (AEs) learn low-dimensional representations by mapping data into a latent space while minimizing reconstruction error. Despite their empirical success, theoretical understanding remains limited and largely restricted to linear models or settings without a bottleneck.
Beyond Instance-Level Alignment and Uniformity: Semantic Factor Learning for Collaborative Filtering
Announce Type: new Abstract: Collaborative filtering (CF) is widely used in recommender systems (RecSys) due to its simplicity and efficiency. However, existing CF methods follow an instance-level learning paradigm. During the instance learning stage, a large number of uninteracted user-item instances, of which items are potential interested by the user, are incorrectly treated as true negative samples resulting in a severe limitation to the generalization and scalability of models.
Bridged SBI: Correcting Biased Low-Fidelity Posteriors for Cost-Efficient High-Fidelity Inference
arXiv:2606.09155v1 Announce Type: new Abstract: Accurate calibration of particle-based simulators is crucial for robotic earthwork simulation, but analytical calibration is challenging due to this task's highly nonlinear particle dynamics and the black-box nature of conventional simulators. Although simulation-based inference (SBI) can estimate posterior distributions over simulation parameters solely from forward simulations, applying SBI directly to high-fidelity (HF) particle simulators...
Block coordinate descent for joint delay-energy optimization in multi-hop D2D networks
Announce Type: cross Abstract: In multi-hop device-to-device (D2D) networks, the optimization of network-level metrics is particularly difficult due to the tight coupling between network-layer routing and physical-layer resource allocation. Departing from traditional average-performance metrics, this paper addresses the joint optimization of routing paths, transmission power, and bandwidth allocation. We formulate a generalized cost function to minimize the maximum transmission time (i.e.,...
Big fleet expansion: Navy to add 4 made-in-India warships, one survey vessel this month
NEW DELHI: Indian Navy is set to witness significant expansion in its naval fleet this month as it gears up to induct five indigenously-built naval platforms, including two Project 17A stealth frigates, a survey vessel and two anti-submarine warfare crafts. The made-in-India vessels will enhance maritime security, combat readiness and coastal defence. The upcoming inductions also reflect on India's growing ability to design and construct sophisticated naval assets within the country,...