As usual, there's a relevant xkcd [0] - the only thing that arxiv tells you is that they went through the trouble of preparing a pdf. But if we have to choose b

As usual, there's a relevant xkcd [0] - the only thing that arxiv tells you is that they went through the trouble of preparing a pdf. But if we have to choose between arxiv and Elsevier, I strongly prefer the former. [0] https://xkcd.com/2304/ https://xkcd.com/2304/