# Definition:Affine Scheme

## Definition

An **affine scheme** is a ringed space which is isomorphic to the spectrum of a commutative ring with unity.

## Also known as

An **affine scheme** may also be called an **affine commutative scheme**.

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An **affine scheme** is a ringed space which is isomorphic to the spectrum of a commutative ring with unity.

An **affine scheme** may also be called an **affine commutative scheme**.

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