User talk:24.184.244.172

Hello, I'm David Eppstein. I wanted to let you know that one or more of your recent contributions to Chordal bipartite graph have been undone because they did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the help desk. Thanks. —David Eppstein (talk) 21:13, 31 January 2020 (UTC)

February 2020
Hello, I'm Serols. I wanted to let you know that I reverted one of your recent contributions —specifically this edit to Blue crab—because it did not appear constructive. If you would like to experiment, please use the sandbox. If you have any questions, you can ask for assistance at the Help desk. Thanks. Serols (talk) 17:29, 6 February 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.

Please refrain from attempting to make unconstructive edits to Wikipedia, as you were at Blue crab. Your edits appear to constitute vandalism and have been [ disallowed by an edit filter.] If you would like to experiment, please use the sandbox. Repeated vandalism may result in the loss of editing privileges. Thank you. Jerm (talk) 17:34, 6 February 2020 (UTC)
 * If this is a shared IP address, and you did not make the edits referred to above, consider creating an account for yourself or logging in with an existing account so that you can avoid further irrelevant notices.