Meanings
nounAppell-Lerch sum (plural Appell-Lerch sums)
plural Appell-Lerch sums
- mathematicsA generalization of Lambert series with the form
Origin
First studied by Paul Émile Appell and Mathias Lerch.
Full word history & related roots →Cite this entry
APA
Appell-Lerch sum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Appell-Lerch%20sum
MLA
“Appell-Lerch sum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Appell-Lerch%20sum. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Appell-Lerch sum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Appell-Lerch%20sum.
Source: Appell-Lerch sum on Wiktionary, CC BY-SA 4.0.