fering from severe (complex) endometriosis/month will increase dramatically. Therefore, you have to face several structural problems but also some problems of man power (human resources) and other resources (MRI, transrectal sonography, decrease of surgical support). In addition, the OR will be blocked longer, which might be not a primary interest of your hospital. Many Hospital or Departments ...

We go into the need for, and the requirements on, a formal theory of budgets. We present a simple algebraic theory of rational budgets, i.e., budgets in which amounts of money are specified by functions on the rational numbers. This theory is based on the tuplix calculus. We go into the importance of using totalized models for the rational numbers. We present a case study on the educational bud...

This essay is written from my perspective as a program officer for research and training activities at the National Institute of General Medical Sciences (NIGMS) for almost 27 yr. It gives a bird's-eye view of the job of a program officer, which includes providing advice to applicants and grantees, making funding recommendations, overseeing grantees' progress, facilitating scientific opportunit...