Lindsay Cooper is a twenty-six-year-old graduate student studying to become a physician's assistant.' By the fall of her second year, Lindsay had accumulated $150,000 in debt due to loans for her education, living expenses, two credit cards, and a recent loan needed to make her car lease payments. After weeks of passing an advertisement seeking "dreammakers" conveniently posted on a bulletin bo...

We study solutions for the one-dimensional problem of the Green-Lindsay and the Lord-Shulman theories with two temperatures. First, existence and uniqueness of weakly regular solutions are obtained. Second, we prove the exponential stability in the Green-Lindsay model, but the nonexponential stability for the Lord-Shulman model.