
This monograph is the first book-length treatment of valuation theory on finite-dimensional division algebras, a subject of active and substantial research over the last forty years. Its development was spurred in the last decades of the twentieth century by important advances such as Amitsur's construction of non crossed products and Platonov's solution of the Tannaka-Artin problem. This st…

What should you do when you have restricted resources? Written by the most prominent experts from the North and the South countries, this book offers a unique complement to classical hematology and oncology textbooks focusing on specific issues concerning cancers in tropical areas. It presents a thorough review of the specific biological, clinical and therapeutic characteristics of cancers in t…

What should you do when you have restricted resources? Written by the most prominent experts from the North and the South countries, this book offers a unique complement to classical hematology and oncology textbooks focusing on specific issues concerning cancers in tropical areas. It presents a thorough review of the specific biological, clinical and therapeutic characteristics of cancers in t…

More than a simple monograph, the authors present a comprehensive geomorphic overview of a large tropical region where they show how deciphering the long-term landform evolution helps understanding the present set of landscapes and morphodynamic environments. The Equatorial margin of the Brazilian “Nordeste” displays stratigraphic landmarks whose interpretation reveals the age and nature of…