ideal

Table of Contents

Introduction References & Edit History Related Topics

Read Next

bunch of numbers

Unusual Counting Systems

number zero, 0 balloon

Is Zero an Even or an Odd Number?

Dr. Maria Telkes, September 4, 1956.

10 Women Scientists Who Should Be Famous (or More Famous)

Discover

Space race (1957-1969) infographic between United States (U.S.) and Russia. America, Soviet Union, U.S.S.R., space exploration

Timeline of the Space Race, 1957–69

Candles Burning On Table In Church

What Is the Most Widely Practiced Religion in the World?

Submerged sperm whale off east Sri Lanka coast, mammal

How Did the Sperm Whale Get Its Name?

The Colosseum, Rome, Italy. Giant amphitheatre built in Rome under the Flavian emperors. (ancient architecture; architectural ruins)

New Seven Wonders of the World

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

Agnes with a lamb near her feet. St. Agnes (Saint Agnes) design drawing for stained glass window by J&R Lamb Studios, ink, mount size 10.5 x 14.5 in.

Roman Catholic Saints

Flags of the countries of the world (flagpoles).

How Many Countries Are There in the World?

ideal: Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Topics

ring

Dig Deeper: More Articles That Discuss This Topic

algebra: Ideals

Key People

Dedekind

Richard Dedekind

German mathematician

Emmy Noether

Emmy Noether

German mathematician

Ernst Eduard Kummer

German mathematician