Definition:Kronecker Delta/Historical Note
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Historical Note on Kronecker Delta
The Kronecker delta notation was invented by Leopold Kronecker in $1868$.
Sources
- 1868: Leopold Kronecker: Ueber bilineare Formen (J. reine angew. Math. Vol. 68: pp. 273 – 285)
- 1992: Donald E. Knuth: Two Notes on Notation (Amer. Math. Monthly Vol. 99: pp. 403 – 422) www.jstor.org/stable/2325085
- 1997: Donald E. Knuth: The Art of Computer Programming: Volume 1: Fundamental Algorithms (3rd ed.) ... (previous) ... (next): $\S 1.2.3$: Sums and Products