Problems and Solutions

Abstract

Appropriate problems for this section are those which may be tackled by undergraduate math students without specialized knowledge. Known open problems are not suitable. Original and interesting problems are preferred. Problem proposals and solutions should be e-mailed to the editor, in Spanish or English, to the address given above (preferably as a L A TEX source le). Proposals should be accompanied by a solution or, at least, enough
information on why a solution is likely.