Results 201 to 210 of about 5,309,525 (360)

Multivariate Saddle Point Detection for Statistical Clustering

open access: bronze, 2002
Dorin Comaniciu   +2 more
openalex   +1 more source

Drone‐based radiotelemetry and imagery systems provide an advantage over traditional techniques for estimating survival of dependent juveniles

open access: yesWildlife Society Bulletin, EarlyView.
We used drone‐based radiotelemetry and multispectral imagery to estimate detection and survival probabilities of blue‐winged teal broods in Saskatchewan, Canada. Weekly brood survival probabilities, estimated via Cormack‐Jolly‐Seber models, increased with age and were comparable between drone methods.
Grant A. Rhodes   +5 more
wiley   +1 more source

Coevolutionary Neural Dynamics With Learnable Parameters for Nonconvex Optimisation

open access: yesCAAI Transactions on Intelligence Technology, EarlyView.
ABSTRACT Nonconvex optimisation plays a crucial role in science and industry. However, existing methods often encounter local optima or provide inferior solutions when solving nonconvex optimisation problems, lacking robustness in noise scenarios. To address these limitations, we aim to develop a robust, efficient and globally convergent solver for ...
Yipiao Chen   +3 more
wiley   +1 more source

Saddle point approaches in strong field physics and generation of attosecond pulses

open access: yesPhysics reports, 2019
A. Nayak   +22 more
semanticscholar   +1 more source

Investigating Spatial‐Temporal Optical Emission Spectroscopy of Unstable Positive Leaders in Long Sparks Under Atmospheric Pressure

open access: yesHigh Voltage, EarlyView.
ABSTRACT This study explores exciting state species and reaction pathways in positive leaders to better understand the breakdown mechanisms of long air gap discharges and natural lightning. Emission spectra from an unstable positive leader in a 1 m rod‐plate air gap under switching impulse voltages were observed, spanning 300–800 nm.
Hengxin He   +6 more
wiley   +1 more source

Riding Through Norms: Creating and Performing Athletic Femininity at American Ladies’ Equestrian Exhibitions, 1850–1890

open access: yesGender &History, EarlyView.
ABSTRACT During the nineteenth century, American agricultural fairs often featured ladies’ equestrian exhibitions. At these events, women constructed an athletic femininity based on skill and competitiveness that challenged traditional ideals of womanhood.
Gabrielle McCoy
wiley   +1 more source

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