(or similar variants) which focuses on sparse precision matrix estimation.

: Look for papers uploaded around the same time you acquired the file, focusing on "Graph Representation Learning" and "Square Root" loss functions.

: If this was from a recent conference cycle, searching the OpenReview database for these keywords may reveal the paper title and authors.

The archive likely contains the implementation for a paper such as:

: Search for "SQRTG" or "GRL" in repositories to find the source code.

While the exact paper title is not explicitly indexed as a single string, the components of the filename suggest it relates to: