Results 31 to 40 of about 431,042 (280)

Rate‐compatible systematic polar codes

open access: yesIET Communications, 2021
Puncturing and shortening are two common ways to achieve rate‐compatible non‐systematic polar codes (NSPCs). Systematic polar codes (SPCs) have been shown to outperform NSPCs with the same encoding and decoding complexity.
Hongfei Zhu   +3 more
doaj   +1 more source

Deterministic and stochastic primal-dual subgradient algorithms for uniformly convex minimization

open access: yesStochastic Systems, 2014
We discuss non-Euclidean deterministic and stochastic algorithms for optimization problems with strongly and uniformly convex objectives. We provide accuracy bounds for the performance of these algorithms and design methods which are adaptive with ...
Anatoli Juditsky, Yuri Nesterov
doaj   +1 more source

Characterizing the performance of continuous-variable Gaussian quantum gates

open access: yesPhysical Review Research, 2020
The required set of operations for universal continuous-variable quantum computation can be divided into two primary categories: Gaussian and non-Gaussian operations.
Kunal Sharma, Mark M. Wilde
doaj   +1 more source

EXPTIME Tableaux for the Coalgebraic mu-Calculus [PDF]

open access: yesLogical Methods in Computer Science, 2011
The coalgebraic approach to modal logic provides a uniform framework that captures the semantics of a large class of structurally different modal logics, including e.g. graded and probabilistic modal logics and coalition logic.
Corina Cirstea   +2 more
doaj   +1 more source

Elastically isotropic open-cell uniform thickness shell lattices with optimized elastic moduli via shape optimization

open access: yesMaterials & Design, 2022
Shell lattices are composed of smooth, non-intersecting and periodic thin shells. Their open-cell topology facilitates the manufacturing and multifunctional applications. This work proposes a shape optimization framework to obtain uniform thickness shell
Qingping Ma, Lei Zhang, Michael Yu Wang
doaj   +1 more source

Lower Bounds for the Constants in Non-Uniform Estimates of the Rate of Convergence in the CLT [PDF]

open access: yesJournal of Mathematical Sciences, 2020
We conduct a comparative analysis of the constants in the Nagaev-Bikelis and Bikelis-Petrov inequalities which establish non-uniform estimates of the rate of convergence in the central limit theorem for sums of independent random variables possessing finite absolute moments of order $2+δ$ with $δ\in[0,1]$.
openaire   +2 more sources

Quantization and Compressive Sensing [PDF]

open access: yes, 2014
Quantization is an essential step in digitizing signals, and, therefore, an indispensable component of any modern acquisition system. This book chapter explores the interaction of quantization and compressive sensing and examines practical quantization ...
A. Ai   +65 more
core   +3 more sources

Capacity-Approaching Non-Binary Turbo Codes: A Hybrid Design Based on EXIT Charts and Union Bounds

open access: yesIEEE Access, 2018
In this paper, we introduce a novel design approach for capacity-approaching non-binary turbo codes. There are two important factors that impact the performance of turbo codes in general: 1) the convergence behavior of iterative decoding in the low ...
Toshiki Matsumine, Hideki Ochiai
doaj   +1 more source

The effects of heterogeneous mechanical properties on the response of a ductile material

open access: yesScientific Reports, 2021
We investigate numerically the small-strain, elastic–plastic response of statistically isotropic materials with non-uniform spatial distributions of mechanical properties. The numerical predictions are compared to simple bounds derived analytically.
Yichi Song   +2 more
doaj   +1 more source

Polynomial splines of non-uniform degree on triangulations: Combinatorial bounds on the dimension

open access: yesComputer Aided Geometric Design, 2019
The authors study the dimension of the space of splines (or piecewise polynomial functions) defined on triangulations of a planar domain such that the maximum degree of the polynomial pieces differs across the distinct triangles of the partition. This type of splines are called \textit{non-uniform degree splines}. The approach used in the paper follows
Deepesh Toshniwal, Thomas J. R. Hughes
openaire   +3 more sources

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