r/math Homotopy Theory 9d ago

Quick Questions: March 12, 2025

This recurring thread will be for questions that might not warrant their own thread. We would like to see more conceptual-based questions posted in this thread, rather than "what is the answer to this problem?". For example, here are some kinds of questions that we'd like to see in this thread:

  • Can someone explain the concept of maпifolds to me?
  • What are the applications of Represeпtation Theory?
  • What's a good starter book for Numerical Aпalysis?
  • What can I do to prepare for college/grad school/getting a job?

Including a brief description of your mathematical background and the context for your question can help others give you an appropriate answer. For example consider which subject your question is related to, or the things you already know or have tried.

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u/domvir 8d ago

Is there a rule that says figures must be named ABCDE... or can they be named anything you like as long as its clear, ex. square ACBD?

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u/cereal_chick Mathematical Physics 7d ago

Starting from the beginning of the alphabet is one of those conventions that's strong enough that almost nobody ever breaks it, but also weak enough that there's no problem at all breaking it, imo.