Algorithms and mathematical methods used in computational science are varied. Graduate studies consist of areas in biomolecular, biomedical, computational and mathematical studies. A formal description for Computational and Mathematical views. Furthermore, most of the calculations performed in modern computational chemistry rely on quantum mechanics. Decision problems are one of the central objects of study in computational complexity theory. Complexity classes are sets of computational problems. Li works on AI, machine learning, computer vision, cognitive neuroscience and computational neuroscience. There are numerous journals dedicated to computational biology. The software simulates fluid flow around solid bodies using computational fluid dynamics. Examples of projects in computational health informatics include the COACH project. Propositional Horn clauses are also of interest in computational complexity. Much of the focus of modern computational linguistics is on comprehension. Smalltalk-80 provides both structural and computational reflection. There are several large conferences that are concerned with computational biology. It is related to umbrella sampling in computational physics.