Results 31 to 40 of about 322,090 (68)

An RKHS approach for pivotal inference in functional linear regression [PDF]

open access: yesarXiv, 2022
We develop methodology for testing hypotheses regarding the slope function in functional linear regression for time series via a reproducing kernel Hilbert space approach. In contrast to most of the literature, which considers tests for the exact nullity of the slope function, we are interested in the null hypothesis that the slope function vanishes ...
arxiv  

A Reference-less Slope Detection Technique in 65nm for Robust Sensing of 1T1R Arrays [PDF]

open access: yesarXiv, 2023
Spin-Torque-Transfer RAM (STTRAM) is a promising technology however process variation poses serious challenge to sensing. To eliminate bit-to-bit process variation we propose a reference-less, destructive slope detection technique which exploits the MTJ switching from high to low state to detect memory state.
arxiv  

Spatial and Temporal Characteristics of Vegetation NDVI Changes and the Driving Forces in Mongolia during 1982-2015

open access: yesRemote Sensing, 2020
As a result of the unique geographical characteristics, pastoral lifestyle, and economic conditions in Mongolia, its fragile natural ecosystems are highly sensitive to climate change and human activities. The normalized difference vegetation index (NDVI)
Xiaoyu Meng, Xin Gao, Shengyu Li, J. Lei
semanticscholar   +1 more source

Approaches for handling sloping fluid-solid interfaces with the parabolic equation method [PDF]

open access: yesarXiv, 2020
Several methods for handling sloping fluid-solid interfaces with the elastic parabolic equation are tested. A single-scattering approach that is modified for the fluid-solid case is accurate for some problems but breaks down when the contrast across the interface is sufficiently large and when there is a Scholte wave.
arxiv  

The power spectrum and structure function of the Gamma Ray emission from the Large Magellanic Cloud [PDF]

open access: yesarXiv, 2021
The Fermi-LAT observational data of the diffuse $\gamma$ ray emission from the Large Magellanic Cloud (LMC), were examined to test for the existence of underlying long range correlations. A statistical test applied to the data indicated that the probability that data are random is $\sim 10^{-99}$.
arxiv  

Drought characteristics and its elevation dependence in the Qinghai–Tibet plateau during the last half-century

open access: yesScientific Reports, 2020
Associated with global warming, drought has destructive influences on agriculture and ecosystems, especially in the fragile Qinghai–Tibet Plateau (QTP).
W. Feng, Hongwei Lu, Tianci Yao, Qing Yu
semanticscholar   +1 more source

Slope Stability and Exceptional Divisors of High Genus [PDF]

open access: yesarXiv, 2007
We study slope stability of smooth surfaces and its connection with exceptional divisors. We show that a surface containing an exceptional divisor with arithmetic genus at least two is slope unstable for some polarisation. In the converse direction we show that slope stability of surfaces can be tested with divisors, and prove that for surfaces with ...
arxiv  

The Bayesian SLOPE [PDF]

open access: yesarXiv, 2016
The SLOPE estimates regression coefficients by minimizing a regularized residual sum of squares using a sorted-$\ell_1$-norm penalty. The SLOPE combines testing and estimation in regression problems. It exhibits suitable variable selection and prediction properties, as well as minimax optimality.
arxiv  

On the asymptotic properties of SLOPE [PDF]

open access: yesarXiv, 2019
Sorted L-One Penalized Estimator (SLOPE) is a relatively new convex optimization procedure for selecting predictors in large data bases. Contrary to LASSO, SLOPE has been proved to be asymptotically minimax in the context of sparse high-dimensional generalized linear models.
arxiv  

Multiwavelength Characteristics of Period-Luminosity Relations [PDF]

open access: yes, 2011
We present a physically motivated explanation for the observed, monotonic increase in slope, and the simultaneous (and also monotonic) decrease in the width/scatter of the Leavitt Law (the Cepheid Period-Luminosity (PL) relation) as one systematically moves from the blue and visual into the near and mid-infared.
arxiv   +1 more source

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