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Characteristic function (convex analysis)

Known as: Characteristic function 
In the field of mathematics known as convex analysis, the characteristic function of a set is a convex function that indicates the membership (or non… 
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Related topics

Related topics

9 relations
Bipolar theoremConvex functionConvex optimizationDuality (optimization)

Broader (1)

Convex analysis

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2012
Highly Cited
2012
A Cooperative Communication Scheme Based on Coalition Formation Game in Clustered Wireless Sensor Networks
In this work, we study the problem of how to strike a balance between the QoS provisioning and the energy efficiency when a… 
2011
2011
On Maximum Eigenmode Beamforming and Multi-User Gain
This paper is concerned with the advantages of multi-user concurrent transmission in multiple-input multiple-output (MIMO… 
Highly Cited
2007
Highly Cited
2007
Opportunistic Feedback for Multiuser MIMO Systems With Linear Receivers
A novel multiuser scheduling and feedback strategy for the multiple-input multiple-output (MIMO) downlink is proposed in this… 
Highly Cited
2004
Highly Cited
2004
Investigation of a 2R all-optical regenerator based on four-wave mixing in a semiconductor optical amplifier
The properties of an all-optical 2R regenerator based on four-wave mixing (FWM) in a semiconductor optical amplifier (SOA) are… 
Highly Cited
2003
Highly Cited
2003
Optimal Foldover Plans for Two-Level Nonregular Orthogonal Designs
This article considers optimal foldover plans for nonregular designs. By using the indicator function, we define words with… 
Highly Cited
2002
Highly Cited
2002
A new view of performance analysis of transmit diversity schemes in correlated Rayleigh fading
This article provides a new formulation for the pairwise error probability for any coherently demodulated system in arbitrarily… 
Highly Cited
1998
Highly Cited
1998
A generalized QS-CDMA system and the design of new spreading codes
A generalized quasi-synchronous code-division multiple-access (QS-CDMA) system for digital mobile radio communications is… 
Highly Cited
1994
Highly Cited
1994
Multiuser detection for optical code division multiple access systems
Considers a multiuser detection scheme for optical direct sequence code division multiple access (OCDMA) systems, referred to as… 
Highly Cited
1986
Highly Cited
1986
Absence of localization in a class of Schrödinger operators with quasiperiodic potential
We prove that a class of discrete Schrödinger operators with a quasiperiodic potential taking only a finite number of values… 
Highly Cited
1973
Highly Cited
1973
Minimization of Multidimensional Linear Iterative Circuits
A model for two-dimensional linear iterative circuits is defined in the form of matrix equations. From the matrix equations, a… 
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