I think it's a good idea to link to abstracts https://arxiv.org/abs/1605.05274 https://arxiv.org/abs/1605.05274 (as ygra does (https://news.ycombinator.com/item

I think it's a good idea to link to abstracts https://arxiv.org/abs/1605.05274 https://arxiv.org/abs/1605.05274 (as ygra does (https://news.ycombinator.com/item?id=19777896 https://news.ycombinator.com/item?id=19777896 )) rather than directly to PDFs.