New answers tagged ieee-style
3
I think I know of no style that applies underlining to titles in the bibliography. Many styles use italics, which in LaTeX can be implemented with \emph. If you load the package ulem, \emph will produce underlining instead of italics.
This is what happened here. If you download the source code from https://arxiv.org/format/1912.12033 (or more specifically ...
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