Results 171 to 180 of about 3,063 (228)

Breaking cycles, the odd versus the even

open access: yesEnumerative Combinatorics and Applications
William Y.C. Chen
doaj   +1 more source

Categories of Orthosets and Adjointable Maps. [PDF]

open access: yesInt J Theor Phys (Dordr)
Paseka J, Vetterlein T.
europepmc   +1 more source

Counting formulas and bijections of nondecreasing 2-noncrossing trees [PDF]

open access: yesElectronic Journal of Mathematics
Yvonne Wakuthii Kariuki   +2 more
doaj   +1 more source

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