Harnack's principle

Summary

Harnack's principle is a theorem^[1]. It draws 11 Wikipedia views per month (theorem category, ranking #271 of 1,306).^[2]

Key Facts

• Harnack's principle's instance of is recorded as theorem^[3].
• Axel Harnack is named after Harnack's principle^[4].
• Harnack's principle's part of is recorded as list of theorems^[5].
• Harnack's principle's Freebase ID is recorded as /m/0515qx^[6].
• Harnack's principle's studied by is recorded as calculus^[7].
• Harnack's principle's MathWorld ID is recorded as HarnacksPrinciple^[8].
• Harnack's principle's maintained by WikiProject is recorded as WikiProject Mathematics^[9].
• Harnack's principle's Microsoft Academic ID is recorded as 163072092^[10].
• Harnack's principle's OpenAlex ID is recorded as C163072092^[11].

Why It Matters

Harnack's principle draws 11 Wikipedia views per month (theorem category, ranking #271 of 1,306).^[2] It has Wikipedia articles in 11 language editions, a strong signal of global cultural recognition.^[12] It is known by 9 alternative names across languages and contexts.^[13]