"Approximate and Renormgroup Symmetries" deals with approximate transformation groups, symmetries of integro-differential equations and renormgroup symmetries.

This book is about Lie group analysis of differential equations for physical and engineering problems. The topics include: -- Approximate symmetry in nonlinear

This book contains recent contributions in the field of waves propagation and stability in continuous media. The volume is the sixth in a series published by Wo

Contains contributions in the field of waves propagation and stability in continuous media.

The trajectory of fractional calculus has undergone several periods of intensive development, both in pure and applied sciences. During the last few decades fra