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Highly Cited

2016

2016

2016

This paper investigates second-order representations in the sense of Kawamura and Cook for spaces of integrable functions that…

Highly Cited

2014

Highly Cited

2014

Algorithms to solve variational regularization of ill-posed inverse problems usually involve operators that depend on a…

Highly Cited

2011

Highly Cited

2011

We illustrate some recent developments of the theory of flows associated to weakly differentiable vector fields, listing the…

2011

2011

Some fundamental formulas and relations in signal analysis are based on the amplitude-phase representations s(t)=A(t)eiφ(t) and…

Highly Cited

2008

Highly Cited

2008

1 Introduction 2 Going variational 2.1 Griffith's theory 2.2 The 1-homogeneous case - A variational equivalence 2.3 Smoothness…

2008

2008

Introduction Preliminaries concerning manifolds Examples Some classes of functions Smooth approximation ${\mathcal L}^1…

1999

1999

We present a discretization theory for a class of nonlinear evolution inequalities that encompasses time dependent monotone…

Highly Cited

1995

Highly Cited

1995

Strong solvability and uniqueness in Sobolev space W2'"(Cl) are proved for the Dirichlet problem \a'J(x, u)Djju + b(x, u, Du) = 0…