Journal of Applied Mathematics and Stochastic Analysis
Volume 2007 (2007), Article ID 74191, 8 pages
doi:10.1155/2007/74191
Research Article

On the Lower Bound for the Number of Real Roots of a Random Algebraic Equation

Takashi Uno

Faculty of Urban Science, Meijo University, 4-3-3 Nijigaoka, Kani, Japan

Received 27 February 2007; Accepted 30 October 2007

Copyright © 2007 Takashi Uno. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

We estimate a lower bound for the number of real roots of a random alegebraic equation whose random coeffcients are dependent normal random variables.