The Chernoff approximation method is a powerful and flexible tool of functional analysis, which allows in many cases to express exp(tL) in terms of variable coefficients of a linear differential operator L. In this paper, we prove a theorem that...
History of Texas from Wilderness to Commonwealth — історична праця американського автора Louis J. Wortham, присвячена становленню штату Texas від періоду...
Achoimre
Is saothar acadúil ceannródaíoch é 'A New History of Ireland. Imleabhar 1: An Ré Réamhstairiúil agus an Luath-Chríostaíocht in Éirinn' atá tiomnaithe do stair na hoileánda ó na réanna is luaithe go dtí an luath-Mheánaois. Is...