Pontryagin duality

Summary

Pontryagin duality is a theorem^[1]. It ranks in the top 8% of theorem entities by monthly Wikipedia readership (216 views/month).^[2]

Key Facts

• Pontryagin duality is credited with the discovery of Lev Pontryagin^[3].
• Pontryagin duality's image is recorded as 2-adic integers with dual colorings.svg^[4].
• Pontryagin duality's instance of is recorded as theorem^[5].
• Lev Pontryagin is named after Pontryagin duality^[6].
• Pontryagin duality's Freebase ID is recorded as /m/01__9j^[7].
• Pontryagin duality's defining formula is recorded as \hat G=\hom(G,\operatorname U(1))^[8].
• Pontryagin duality's studied by is recorded as theory of topological groups^[9].
• Pontryagin duality's studied by is recorded as harmonic analysis^[10].
• Pontryagin duality's MathWorld ID is recorded as PontryaginDuality^[11].
• Pontryagin duality's nLab ID is recorded as Pontryagin duality^[12].
• Pontryagin duality's maintained by WikiProject is recorded as WikiProject Mathematics^[13].
• Pontryagin duality's Microsoft Academic ID is recorded as 1606489^[14].
• Pontryagin duality's in defining formula is recorded as \operatorname U(1)^[15].
• Pontryagin duality's in defining formula is recorded as G^[16].

Body

Works and Contributions

Pontryagin duality is credited with the discovery of Lev Pontryagin^[3].

Why It Matters

Pontryagin duality ranks in the top 8% of theorem entities by monthly Wikipedia readership (216 views/month).^[2] It has Wikipedia articles in 13 language editions, a strong signal of global cultural recognition.^[17] It is known by 12 alternative names across languages and contexts.^[18]