Deflatability of Permutation Classes
classification
🧮 math.CO
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classesdeflatablepermutationnon-deflatableclasscontaineddeflatabilitydescribe
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A deflatable permutation class is one in which the simple permutations are contained in a proper subclass. Deflatable permutation classes are often easier to describe and enumerate than non-deflatable ones. Some theorems which guarantee non-deflatability are proved and examples of both deflatable and non-deflatable principal classes are given.
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