Abstract: The aim of this work is to develop low complexity receivers with close to optimum performance that circumvent high precision signal processing in the hardware. In particular, we consider ...

This repository provides simple code snippets and implementations in Rust programming language for understanding various topics in discrete mathematics. The code examples and explanations are designed ...

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ABSTRACT: The eccentricity e(u) of a vertex u is the maximum distance of u to any other vertex of G. A vertex v is an eccentric vertex of vertex u if the distance from u to v is equal to e(u). The ...

How does one generalize differential geometric constructs such as curvature of a manifold to the discrete world of graphs and other combinatorial structures? This problem carries significant ...

Department of Mathematics, Zhejiang Normal University, Zhejiang 321004, P. R. China Department of Basics, Zhejiang Guangsha Vocational and Technical, University of Construction, Zhejiang 322100, P. R.

ABSTRACT: Let G=( V,E ) be a graph. The first Zagreb index of a graph G is defined as ∑ u∈V d G 2 ( u ) , where d G ( u ) is the degree of vertex u in G . In this paper, we obtain two lower bounds ...