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None, really. You and your mother each have equal rights to the house and can't unduly interfere with the others. If your mother wanted to live there, you would have to let her. She could also insist that you pay her rent for your using the whole house to her exclusion.
However, if she allows you to use the home and doesn't seek any compensation from you, she cannot control how you use the property.
Your accept (by clicking the green "accept") would be greatly appreciated. Although you have made a deposit, I cannot receive credit for my work without your accept. Thanks.