Compact Semirings which are Multiplicatively Groups or Groups with Zero.
K.R. Pearson (1968)
Mathematische Zeitschrift
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K.R. Pearson (1968)
Mathematische Zeitschrift
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Patrick F. Smith (1975)
Mathematische Zeitschrift
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Carlton J. Maxson (1971)
Mathematische Zeitschrift
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Olaf Tamaschke (1970)
Mathematische Zeitschrift
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Robert Sandling (1974)
Mathematische Zeitschrift
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G.V. Wood (1968)
Mathematische Zeitschrift
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Richard Brauer (1964)
Mathematische Zeitschrift
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George Glaubermann (1964)
Mathematische Zeitschrift
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Larry Dornhoff (1967)
Mathematische Zeitschrift
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Murray Schacher, Gary M. Seitz (1972)
Mathematische Zeitschrift
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John G. Thompson (1964/65)
Mathematische Zeitschrift
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Karel Dekimpe (2003)
Fundamenta Mathematicae
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In [3], the authors initiated a technique of using affine representations to study the groups of units of integral group rings of crystallographic groups. In this paper, we use this approach for some special classes of crystallographic groups. For a first class of groups we obtain a normal complement for the group inside the group of normalized units. For a second class of groups we show that the Zassenhaus conjectures ZC1 and ZC3 are valid. This generalizes the results known for the...
Leonard Evens (1966)
Mathematische Zeitschrift
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Kathryn J. Horadam (1982)
Mathematische Zeitschrift
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