Reading aloud from a graph theory textbook, I encountered the letter ℓ. I assume that most people simply pronounce it 'ell'. However, is there any other way to pronounce it?
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closed as primarily opinion-based by Najib Idrissi, G. Sassatelli, Claude Leibovici, Grigory M, H. R. Dec 14 '15 at 10:40
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For the space $\ell^p$, I say "little ell-p." That is what the Banach Space Cadets at the University of Texas called in when I was a grad student.
I suppose you could pronounce it any way you like, but why would you want to?
The symbol $\ell$ is just a variant form of the lowercase L, drawn in a script style to distinguish it from the number 1 and uppercase I. I guess you could call it "script ell" if you want to be specific.
(BTW, the official name of the Unicode "letterlike symbol" character ℓ (U+2113) is "Script Small L".)