Spectral Theory and Asymptotics of Differential Equations, proceedings of the Scheveningen conference on differential equations

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Page iii

Copyright page
Page iv

Preface
Pages v-vi
E.M. De Jager

A positive symmetric ordinary differential operator combined with one of lower order Original Research Article
Pages 1-11
ÅKe Pleijel

Some remarks on a differential expression with an indefinite weight function Original Research Article
Pages 13-28
W.N. Everitt

Spectral Theory for Left-Definite Singular Systems of Differential Equations I Original Research Article
Pages 29-43
H.D. Niessen, A. Schneider

Spectral Theory for Left-Definite Singular Systems of Differential Equations II. Original Research Article
Pages 45-56
H.D. Niessen, A. Schneider

The Limit-Point Classification of Differential Expressions Original Research Article
Pages 57-67
J.B. McLeod

Second-and Fourth-Order Differential Equations with Oscillatory Coefficients and Not of Limit-Point Type Original Research Article
Pages 69-79
M.S.P. Eastham

Some Aspects of Multi-Parameter Spectral Theory Original Research Article
Pages 81-94
B.D. Sleeman

Integral - Equation Formulation of Two-Parameter Eigenvalue Problems Original Research Article
Pages 95-102
F.M. Arscott

On Differential Operators Singular at the Boundary Original Research Article
Pages 103-109
R. Martini

Degenerate Elliptic Operators in Unbounded Domains Original Research Article
Pages 111-118
W.D. Evans

Scattering Theory for a General Class of Differential Operators Original Research Article
Pages 119-128
Kresimir Veselić, Joachim Weidmann

The Domains of Self-Adjoint Extensions of a Schrödinger Operator Original Research Article
Page 129
Ian M Michael

Spaces of Generalised Functions Associated with Linear Operators Original Research Article
Pages 131-136
Magnus Giertz

On Functions Holomorfic in Tube Domains Irn+ iC Original Research Article
Pages 137-147
E.M. De Jager

On the Asymptotic Theory of Non-Linear Oscillations. Original Research Article
Pages 149-162
Wiktor Eckhaus

On First Order Matching Process for Singular Functions Original Research Article
Pages 163-173
J. Mauss

The Birth of a Boundary Layer is an Elliptic Singular Perturbation Problem Original Research Article
Pages 175-179
J. Grasman

Singular Perturbation Problems for Non-Linear Elliptic Second Order Equations. Original Research Article
Pages 181-195
A. Van Harten

An Asymptotic Theory for a Class of Weakly Non-Linear Oscillations Original Research Article
Pages 197-205
H.W. Hoogstraten

Author Index
Pages 207-208

List of Participants
Pages 209-210