A model and an estimation procedure for predicting the height growth of even-aged forest stands was developed as part of a methodology for modelling stand growth in forest plantations [García, 1979, ...

HUNTINGTON -- It is not a computer or a calculator in the modern sense, but a mathematical machine known as the differential analyzer (DA) does help students understand and solve certain types of ...

The alcohol abuse level of individuals in a population as it depends on resilience and peer influence is considered in this paper. Several simple models are studied as well as an integro-diflferential ...

Cancer is viewed as a multistep process whereby a normal cell is transformed into a cancer cell through the acquisition of mutations. We reduce the complexities of cancer progression to a simple set ...

In a paper published last month, authors present a partial differential equation model governing the value of defined pension plans including the option for early retirement. There comes a time in ...