Bemerkungen über den Beweis des Satzes von der Winkelsumme des Dreiecks
Ueber die Endlichkeit des Formensystems einer binären Grundform.
On a series of cosecants related to a problem in ergodic theory
Beweis eines Lehrsatzes betreffend die Integration algebraischer Differentialausdrücke beziehungsweise algebraischer Differentialgleichungen unter geschlossener Form
Ueber n- Dimensionale complexe Zahlen
Almost Convergence and two Matrix Limitation Methods.
Sequences of Iterations.
Singularities for Matrices and Sequences.
Topology of Summability Sets.
Fatness of covers.
The spectrum and commutant of a certain weighted translation operator.
On the relation between the multidimensional moment problem and the one-dimensional moment problem.
Die Steinersche Lösung der Malfattischen Aufgabe.
Regular Matrices and bounded Sequences.
Factor Sequences and Their Algebras.
Factor sequences and their algebras II.
Minimax LQG control
This paper presents an overview of some recent results concerning the emerging theory of minimax LQG control for uncertain systems with a relative entropy constraint uncertainty description. This is an important new robust control system design methodology providing minimax optimal performance in terms of a quadratic cost functional. The paper first considers some standard uncertainty descriptions to motivate the relative entropy constraint uncertainty description. The minimax LQG problem under...
The rank of hyperelliptic Jacobians in families of quadratic twists
The variation of the rank of elliptic curves over in families of quadratic twists has been extensively studied by Gouvêa, Mazur, Stewart, Top, Rubin and Silverberg. It is known, for example, that any elliptic curve over admits infinitely many quadratic twists of rank . Most elliptic curves have even infinitely many twists of rank and examples of elliptic curves with infinitely many twists of rank are known. There are also certain density results. This paper studies the variation of the...
A Tauberian Theorem.
Factor Sequences for Summability Matrices.
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