What should I write in the subject of the email for the university professor that I would like to continue my education under your supervision?

When writing an email to a university professor expressing your interest in continuing your education under their supervision, it's important to have a clear and professional subject line. Here are a few suggestions you might consider:

1. Inquiry About Graduate Supervision Opportunities
2. Request for Supervision: [Your Name] - Prospective Graduate Student
3. Interest in Pursuing [Specific Program] Under Your Guidance
4. Application for Graduate Supervision in [Specific Field]
5. Exploring Graduate Research Opportunities with You

Choose a subject line that best matches your intent and the context of your email. Make sure it conveys the purpose of your message succinctly while remaining respectful and professional.