ISBN-13: 9780821839416 / Angielski / Miękka / 2007 / 75 str.
ISBN-13: 9780821839416 / Angielski / Miękka / 2007 / 75 str.
Focuses on $L^p$ estimates for objects associated to elliptic operators in divergence form its semi group, the gradient of the semi group, functional calculus, square functions and Riesz transforms. This book introduces four numbers associated to the semi