SMC
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Related Articles from SNS
TAPAAL SMC: Statistical Model Checking of Stochastic Timed-Arc Petri Nets
arXiv:2606.02007v1 Announce Type: new Abstract: Timed-Arc Petri net (TAPN) is a timed extension of the classical Petri net model where tokens have their age and input arcs are associated with time intervals restricting the ages of tokens available for transition firing. Additionally, a TAPN can also contain place invariants constraining the ages of tokens in places, inhibitor arcs preventing a transition from firing and transport arcs that preserve token ages upon firing. This set of...
Whodunit? 100 Surat homes demolished but no one knows who razed them
In a bizarre incident, more than 100 houses were allegedly demolished in the Nashir Nagar area of Katargam, but no one knows who razed them!. A major controversy has been triggered after the Surat Municipal Corporation (SMC) denied issuing any demolition orders and claimed it had no role in the action. The demolition, carried out on June 30, reportedly took place in the presence of SMC officials and police personnel, adding to the confusion over who actually authorised and executed the...
Parallel Tempering Initial Sampling in Inference-Time Reward Alignment
arXiv:2605.30991v1 Announce Type: new Abstract: Inference-time reward alignment steers pretrained diffusion and flow-based generative models to satisfy user-specified rewards without retraining. Recently, Sequential Monte Carlo (SMC) has emerged as a powerful framework for this task by iteratively filtering and propagating multiple particles. However, we show that standard SMC-based methods often suffer from poor performance because they initialize particles from a standard prior, whereas...
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart
Trouble near the Milky Way: The Large Magellanic Cloud is ripping its smaller neighbor galaxy apart In the gravitational tug of war between the dwarf galaxy siblings, it's the Small Magellanic Cloud that's losing. The Small Magellanic Cloud seems to be coming undone at the gravitational hands of its sibling galaxy, the Large Magellanic Cloud, which has been found to be unwrapping its little brother's stars. The Small and Large Magellanic Clouds (SMC and LMC for short) are two dwarf irregular...
Comparing sliding-mode, bang-bang and linear-quadratic-Gaussian for steering an atomic clock
arXiv:2605.20156v2 Announce Type: replace Abstract: Accurate timekeeping relies on feedback that continually steers a local clock toward a higher-grade reference. We evaluate first-order sliding-mode control (SMC) for steering an atomic clock and benchmark it against two standards: linear-quadratic-Gaussian (LQG) control and the bang-bang (BB). All three are tested in a common numerical framework using the standard two-state clock model driven by white and random-walk-frequency noise.
Transcriptomic, Specific Marker, and Pathway Analysis of Smooth Muscle Cell Foam Cells Compared to Macrophage Foam Cells in Human Atherosclerosis
BACKGROUND: Smooth muscle cells (SMCs) comprise the majority of cells in human atherosclerotic lesions and are thought to be a major source of cholesterol-overloaded foam cells in human and mouse atheromas. However, the transcriptomic profile, specific markers, and biologic itinerary of SMC foam cells relative to macrophage foam cells remain poorly defined. METHODS: Single-cell RNA sequencing (scRNA-seq) was performed on fresh coronary artery segments from heart transplant recipients with...
Electrically Tunable Heliconical Smectic Superstructure in Polar Fluids
arXiv:2512.05517v3 Announce Type: replace-cross Abstract: The ferroelectric nematic (NF) phase and related polar liquid-crystalline phases form a new class of strongly polarized yet fluid soft matter. Well-recognized heliconical ferroelectric phases such as NTBF and SmC_P^H exist, but their electro-optic functionality in smectic systems has been largely unexplored. Here, we report a newly designed single-component achiral molecule exhibiting a hierarchical polar phase sequence:...
Mitigating Bias in Locally Constrained Decoding via Tractable Proposals
arXiv:2606.01926v1 Announce Type: new Abstract: Generations from large language models often fail to conform to desired constraints such as JSON schema. Existing locally constrained decoding (LCD) approaches enforce constraints by myopically masking out next tokens, resulting in biased sampling and degradation in performance. Recent work uses sequential Monte Carlo (SMC) methods to mitigate such biases, but designing effective proposal distributions or potential functions remains a key...
Reinforced sequential Monte Carlo for amortised sampling
arXiv:2510.11711v2 Announce Type: replace Abstract: This paper proposes a synergy of amortised and particle-based methods for sampling from distributions defined by unnormalised density functions. We state a connection between sequential Monte Carlo (SMC) and neural sequential samplers trained by maximum-entropy reinforcement learning (MaxEnt RL), wherein learnt sampling policies and value functions define proposal kernels and twist functions. Exploiting this connection, we introduce an...
Hypertension-mediated cardiac fibrosis is a mechanical process initiated by smooth muscle cells
Hypertension represents the most prevalent chronic cardiovascular condition, typically culminating in pathological cardiac remodeling characterized by hypertrophy and extensive fibrosis. Although the cellular phenotypes associated with these changes are well-documented, the precise mechanisms by which hypertensive stress is sensed and transduced into a fibrotic program remain poorly defined. To elucidate these mechanisms, we investigated the role of Lysyl oxidase (LOX), an extracellular...