Reading the abstract alone, I have no idea whether it's talking about algorithmic trees or, like, the big brown things with small green bits.
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The only hint I can see anywhere on the page is "Statistics > Machine Learning" above the abstract title.
I really want it to be about actual biological trees being studied on the scale of forests growing with smooth edges over long periods of time, but I suspect that's not what it is about.
Also, the very first sentence of the actual paper (after the abstract) is
> Random forests (Breiman, 2001) have emerged as one of the most reliable off-the-shelf supervised learning algorithms [...]
arxiv.org is overwhelmingly used for math and computer science papers, though not exclusively.
The paper will also likely be submitted to a machine learning venue.