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219 papers · 1 filter
Star-regularity and regular completions
Marino Gran, Zurab Janelidze
In this paper we establish a new characterisation of star-regular categories, using a property of internal reflexive graphs, which is suggested by a recent result due to O. Ngaha N…
Max-Min SNR Signal Energy based Spectrum Sensing Algorithms for Cognitive Radio Networks with Noise Variance Uncertainty
Tadilo Endeshaw Bogale, Luc Vandendorpe
This paper proposes novel spectrum sensing algorithms for cognitive radio networks. By assuming known transmitter pulse shaping filter, synchronous and asynchronous receiver scenar…
Approximation in Sobolev spaces by piecewise affine interpolation
Jean Van Schaftingen
Functions in a Sobolev space are approximated directly by piecewise affine interpolation in the norm of the space. The proof is based on estimates for interpolations and does not r…
On kernel smoothing for extremal quantile regression
Abdelaati Daouia, Laurent Gardes, Stéphane Girard
Nonparametric regression quantiles obtained by inverting a kernel estimator of the conditional distribution of the response are long established in statistics. Attention has been,…
Ultimate survival in anomalous psi(2S) decays
J. M. Gerard, A. Martini
The hierarchy among the radiative (, , ) decay channels for the looks quite different from the one. The fate of charm, namely an ultimate…
Planning the electron traffic in semiconductor networks: A mesoscopic analog of the Braess paradox encountered in road networks
S. Huant, S. Baltazar, P. Liu +7
By combining quantum simulations of electron transport and scanning-gate microscopy, we have shown that the current transmitted through a semiconductor two-path rectangular network…