Frobenius endomorphism
ENDOMORPHISM OF A COMMUTATIVE RING OF NON-ZERO CHARACTERISTICS
Frobenius element; Frobenius morphism; Frobenius homomorphism; Frobenius map; Frobenius automorphism; Absolute Frobenius map; Arithmetic Frobenius element; Geometric Frobenius element; Geomeric Frobenius; Frobenius symbol; Absolute Frobenius morphism
In commutative algebra and field theory, the Frobenius endomorphism (after Ferdinand Georg Frobenius) is a special endomorphism of commutative rings with prime characteristic , an important class which includes finite fields. The endomorphism maps every element to its -th power.