Arxiv: Special Tools
Keeping up with new or recent preprints can be a daunting task. The Busy Man's Arxiv allows you to filter the arXiv listings in the arXiv categories of your choice to just the keywords or authors you are interested in.

BMArxiv  Sample SearchThis is an example of a preset Busy Man's Arxiv search in the math category (excluding the Mathematical Physics category). In this case, it's been set for keywords like "topology", "gauss" and "sparse".