# Is it correct to use ‘Ln’ instead of ‘ln’ for natural logarithm?

In some research papers, authors use ‘Ln’ for natural logarithm instead of ‘ln’. Is it correct?

If there is possibility of confusion, it is best to specify the base, and do so explicitly: $\log_{10}$ or $\log_\mathrm{e}$ or $\ln$ (base e logarithm) or something similar.