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MOC
1998
64views more  MOC 1998»
13 years 10 months ago
Trapezoidal and midpoint splittings for initial-boundary value problems
In this paper we consider various multi-component splittings based on the trapezoidal rule and the implicit midpoint rule. It will be shown that an important requirement on such me...
Willem Hundsdorfer
MOC
1998
65views more  MOC 1998»
13 years 10 months ago
Exceptional units in a family of quartic number fields
Abstract. We determine all exceptional units among the elements of certain groups of units in quartic number fields. These groups arise from a oneparameter family of polynomials w...
Gerhard Niklasch, Nigel P. Smart
MOC
1998
94views more  MOC 1998»
13 years 10 months ago
Analysis of third-order methods for secular equations
Third-order numerical methods are analyzed for secular equations. These equations arise in several matrix problems and numerical linear algebra applications. A closer look at an ex...
A. Melman
MOC
1998
61views more  MOC 1998»
13 years 10 months ago
Polynomials with small Mahler measure
Abstract. We describe several searches for polynomials with integer coefficients and small Mahler measure. We describe the algorithm used to test Mahler measures. We determine all...
Michael J. Mossinghoff
MOC
1998
87views more  MOC 1998»
13 years 10 months ago
Tables of unit groups and class groups of quintic fields and a regulator bound
Using a new regulator bound we determine unit groups and class groups of the 289040 quintic algebraic number fields with absolute discriminant less than 2 × 107 (totally real fi...
Michael E. Pohst, K. Wildanger