<qa>  What is the goal of this clinical research study?The goal of this clinical research study is to find the highest safe dose of PS-341 that can be given with carboplatin chemotherapy as a treatment for patients with ovarian, abdominal, or fallopian tube cancer. Researchers also hope to find out if giving these drugs together will help shrink or slow the growth of tumors in patients who are considered resistant to platinum drugs. The safety of these drugs will also be studied. 