regular semigroup
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Connections
mathematics
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International Standard Book Number
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John von Neumann
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digital object identifier
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group
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ring
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Q180686
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JSTOR
Organization
bibcode
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Oxford University Press
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intersection
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Q229883
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if and only if
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ideal
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semigroup
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American Mathematical Society
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idempotence
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class
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Handle System
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principal ideal
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