Alternating may refer to:

Look up alternating in Wiktionary, the free dictionary.

• Alternating algebra, an algebra in which odd-grade elements square to zero
• Alternating form, a function formula in algebra
• Alternating group, the group of even permutations of a finite set
• Alternating knot, a knot or link diagram for which the crossings alternate under, over, under, over, as one travels along each component of the link
• Alternating map, a multilinear map that is zero whenever any two of its arguments are equal
• Alternating operator, a multilinear map in algebra
• Alternating permutation, a type of permutation studied in combinatorics
• Alternating series, an infinite series in which the signs of the general terms alternate between positive and negative

• Alternating current, a flow of electric charge that periodically reverses direction

• Alternating turns, the process by which people in a conversation decide who is to speak next

• Alternate bass
• Alternative (disambiguation)

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