# Browse by Subject "Mathematics"

• (1970)

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• (1968)

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• (1975)

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• (1974)

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• (1978)

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• (1974)

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• (1963)

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• (1965)

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• (1994)
If X is a class of groups, the class of counter-X groups is defined to consist of all groups having no non-trivial X-quotients. Counter-counter-finite groups are studied here; any non-trivial quotient of such a group has ...

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• (1963)

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• (1967)

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• (1964)

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• (1990)
Given a semisimple linear algebraic group G over an algebraically closed field K, we fix a Borel subgroup B and a maximal torus T. This determines a root system $\Phi$, and a set of simple roots $\Delta$. The subgroups ...

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• (1981)
This thesis presents a classification up to topological equivalence of those flows on the torus satisfying: (1) all singular points and closed orbits are hyperbolic; and (2) there are no saddle connections. Such flows are ...

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• (1972)

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• (2014-05)
A claw is a small graph--three edges, all sharing a common point, and nothing else.The graph pictured is claw induced saturated. It contains no claw, but claws are lurking everywhere: adding or deleting any edge will create ...

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• (1976)

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• (1970)

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• (1970)

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