Results 51 to 60 of about 415,258 (279)

Generalized Affine Coherent States: A Natural Framework for Quantization of Metric-like Variables

open access: yes, 2000
Affine variables, which have the virtue of preserving the positive-definite character of matrix-like objects, have been suggested as replacements for the canonical variables of standard quantization schemes, especially in the context of quantum gravity ...
Gel’fand I. M.   +3 more
core   +2 more sources

Multicohort Validation of Gut Microbiome Signatures for Cholangiocarcinoma Diagnosis and Functional Characterization of Bifidobacterium Pseudocatenulatum

open access: yesAdvanced Science, EarlyView.
This study analyzes gut bacteria in cholangiocarcinoma patients, revealing distinct microbial signatures that enable accurate disease detection. Species‐based diagnostic models achieved over 98% accuracy in identifying cholangiocarcinoma and distinguished it from other liver diseases. The research demonstrates that specific beneficial bacteria suppress
Benchen Rao   +18 more
wiley   +1 more source

Further Constructions of Control-Lyapunov Functions and Stabilizing Feedbacks for Systems Satisfying the Jurdjevic-Quinn Conditions

open access: yes, 2005
For a broad class of nonlinear systems, we construct smooth control-Lyapunov functions whose derivatives along the trajectories of the systems can be made negative definite by smooth control laws that are arbitrarily small in norm.
Malisoff, Michael, Mazenc, Frederic
core   +4 more sources

Autoimmune Encephalitis in Acute Care—Pathology, Diagnosis, and Management

open access: yesAdvanced Science, EarlyView.
ABSTRACT Autoimmune encephalitis (AE) is characterized by immune‐mediated inflammation of the brain parenchyma, presenting with various neurological syndromes, including but not limited to seizures, altered consciousness, neuropsychiatric symptoms, and movement disorders.
Suneesh Thilak   +9 more
wiley   +1 more source

Fundamentals of Right Hahn q-Symmetric Calculus and Related Inequalities

open access: yesJournal of Function Spaces
Hahn symmetric quantum calculus is a generalization of symmetric quantum calculus. Motivated by the Hahn symmetric quantum calculus, we present the right Hahn symmetric derivative and integral, which are novel definitions for derivative and definite ...
Muhammad Nasim Aftab   +2 more
doaj   +1 more source

Encapsulation of the defined integral mathematical object of university students: a view from APOS theory

open access: yesCogent Education
Understanding the concept of definite integrals is a persistent challenge in university mathematics education, largely attributable to traditional teaching practices that prioritise mechanical procedures over conceptual depth.
Luis Adriano Romero Osorio   +2 more
doaj   +1 more source

All‐in‐One Underwater Quality Evaluation Metamaterial With Mechanical Robustness, Sound Attenuation, and Diffuse Reflection

open access: yesAdvanced Science, EarlyView.
In this work, a bioinspired all‐in‐one underwater quality evaluation metamaterial, combining sound attenuation, diffuse reflection, and mechanical robustness, is proposed based on jumping spider locomotion and human skeletal biomechanics. Meanwhile, a CNN‑driven quality evaluation framework is established for theoretically dimension‐reduced ...
Hongze Li   +8 more
wiley   +1 more source

APPLICATION OF A DEFINITE INTEGRAL CALCULUS IN RENT CALCULATION

open access: yesEkonomika Poljoprivrede (1979)
For land rent, it is characteristic that it arises as a consequence of capital investment in the purchase of land, which is not a production investment, because capital is not invested for the reason of organizing agricultural production, the main ...
Ivan Milojević   +3 more
doaj   +1 more source

Forms representing forms: The definite case

open access: yes, 2015
Let $\psi$ and $F$ be positive definite forms with integral coefficients of equal degree. Using the circle method, we establish an asymptotic formula for the number of identical representations of $\psi$ by $F$, provided $\psi$ is everywhere locally ...
Brandes, Julia
core   +1 more source

Fundamental Challenges, Physical Implementations, and Integration Strategies for Ising Machines in Large‐Scale Optimization Tasks

open access: yesAdvanced Electronic Materials, EarlyView.
Ising machines are emerging as specialized hardware solvers for computationally hard optimization problems. This review examines five major platforms—digital CMOS, analog CMOS, emerging devices, coherent optics, and quantum systems—highlighting physics‐rooted advantages and shared bottlenecks in scalability and connectivity.
Hyunjun Lee, Joon Pyo Kim, Sanghyeon Kim
wiley   +1 more source

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