Differential equations are fundamental tools in physics: they are used to describe phenomena ranging from fluid dynamics to general relativity. But when these equations become stiff (i.e. they involve ...

This is a preview. Log in through your library . Abstract A parameter estimation algorithm is developed that can be used to estimate unknown time- or state-dependent delays and other parameters (e.g., ...

This is a preview. Log in through your library . Abstract An original method of integration is described for quasi-linear hyperbolic equations in three independent variables. The solution is ...