El trabajo aborda el estudio de conjuntos de operadores compactos que se comportan, en cierto sentido, como un solo operador compacto. Se introducen los conceptos de equicompacidad secuencial y dominada, probando la ...

A new formulation of quebracho tannin-based resin has been used to prepare bio-based rigid foams. The proposed foams were blown by using the simultaneous combination of two expansion methods by mechanical expansion as used ...