How can I address the issue of a stomping upstairs neighbor in my apartment building?

To address the issue of a stomping upstairs neighbor in your apartment building, you can try talking to them politely about the noise and expressing how it is affecting you. If the issue persists, you can also consider speaking to your landlord or building management to see if they can intervene and help resolve the situation. Additionally, you may want to consider using earplugs or soundproofing your ceiling to minimize the noise impact.