Kronecker delta

Summary

Kronecker delta is a function^[1]. It draws 467 Wikipedia views per month (function category, ranking #12 of 114).^[2]

Key Facts

• Kronecker delta's instance of is recorded as function^[3].
• Kronecker delta's instance of is recorded as integer-valued function^[4].
• Kronecker delta's instance of is recorded as binary function^[5].
• Kronecker delta's instance of is recorded as piecewise constant function^[6].
• Kronecker delta's instance of is recorded as mathematical concept^[7].
• Leopold Kronecker is named after Kronecker delta^[8].
• Kronecker delta's Freebase ID is recorded as /m/018_1p^[9].
• Kronecker delta's described by source is recorded as ISO 80000-2:2019 Quantities and units — Part 2: Mathematics^[10].
• Kronecker delta's definition domain is recorded as integer couple^[11].
• Kronecker delta's codomain is recorded as set of integers^[12].
• Kronecker delta's different from is recorded as Kronecker tensor^[13].
• Kronecker delta's defining formula is recorded as \delta_{i k} = \begin{cases} 1 & i = k \ 0 & i \ne k \end{cases} = \left[ i = k \right]^[14].
• Kronecker delta's MathWorld ID is recorded as KroneckerDelta^[15].
• Kronecker delta's JSTOR topic ID is recorded as kronecker-delta-function^[16].
• Kronecker delta's nLab ID is recorded as Kronecker delta^[17].
• Kronecker delta's Interlingual Index ID is recorded as i109346^[18].
• Kronecker delta's maintained by WikiProject is recorded as WikiProject Mathematics^[19].
• Kronecker delta's Microsoft Academic ID is recorded as 39482219^[20].
• Kronecker delta's in defining formula is recorded as \delta_{i k}^[21].
• Kronecker delta's in defining formula is recorded as \left[\cdot\right]^[22].
• Kronecker delta's Online PWN Encyclopedia ID is recorded as 3927575^[23].
• Kronecker delta's IEV number is recorded as 102-06-12^[24].
• Kronecker delta's OpenAlex ID is recorded as C39482219^[25].
• Kronecker delta's ScienceDirect topic ID is recorded as mathematics/kronecker-symbol^[26].
• Kronecker delta's ScienceDirect topic ID is recorded as engineering/kronecker-symbol-delta^[27].

Why It Matters

Kronecker delta draws 467 Wikipedia views per month (function category, ranking #12 of 114).^[2] It has Wikipedia articles in 27 language editions, a strong signal of global cultural recognition.^[28] It is known by 37 alternative names across languages and contexts.^[29]