A bijection, or bijective function, in mathematics is a function that pairs each element of one set with exactly one element of another set, and vice versa, leaving no unpaired elements. This function is both injective (one-to-one) and surjective (onto), and if the sets are finite, they have the same number of elements. Bijective functions are crucial in various mathematical areas such as defining isomorphisms, homeomorphisms, diffeomorphisms, permutation groups, and projective maps.
Stanford University
Winter 2020
CS 103A serves as an additional review course for CS103 students, focusing on strengthening proof-based mathematics skills and general problem-solving strategies in a context closely tied to CS103.
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