Many PhD students receive summer support, in amounts ranging from $2,000-$6,000 for 1-3 summer months depending on duties and source of funding. Students must apply for the funding in order to be considered.
Research Assistantship from any Professor's grant
To apply: inquire during the Spring semester with your adviser and other professors with whom you are working.
Research Assistantship from Gene H. Golub gift funds
To apply: respond to the email announcement sent by the Director of Graduate Studies, probably around the end of March.
Teaching Assistantship from Mathematics Department
To apply: respond to the email announcement sent by the Director of Graduate Studies, probably around the end of March. Limited number of positions available.
Teaching Assistantship from NetMath
To apply: respond to the email announcement sent by the Director of NetMath, in the Spring semester.
Fellowship
External fellowships and Graduate College fellowships generally include summer support.