The etiologic involvement of specific human papillomavirus (HPV) types in cancer of the cervix and their role in a substantial proportion of other anogenital cancers and cancers of the oropharynx (most prominently of the tonsils and of the larynx) label HPV as a prime target for the analysis of mechanisms leading to the development of malignant tumors in humans.
As in other viral infections linked to human cancers, HPV infection is not sufficient for the induction of malignant growth. It emerges, however, as the main factor, introducing new genes into the latently infected cells whose function as oncogenes has become clearly established during the past few years.
This volume summarizes various aspects of HPV research and its relationship to human cancers and tries to provide an overview of current topics is an exciting research field.
This is an accessible book on advanced symmetry methods for partial differential equations. Topics include conservation laws, local symmetries, higher-order symmetries, contact transformations, delete "adjoint symmetries," Noether’s theorem, local mappings, nonlocally related PDE systems, potential symmetries, nonlocal symmetries, nonlocal conservation laws, nonlocal mappings, and the nonclassical method. Graduate students and researchers in mathematics, physics, and engineering will find this book useful.
This book is a sequel to Symmetry and Integration Methods for Differential Equations (2002) by George W. Bluman and Stephen C. Anco. The emphasis in the present book is on how to find systematically symmetries (local and nonlocal) and conservation laws (local and nonlocal) of a given PDE system and how to use systematically symmetries and conservation laws for related applications.