Has subject area For 2008 2 Digit Code MATHEMATICAL SCIENCES PHYSICAL SCIENCES For 2008 6 Digit Code Combinatorics and Discrete Mathematics (excl. Physical Combinatorics) Mathematical Physics not elsewhere classified Ordinary Differential Equations, Difference Equations and Dynamical Systems Statistical Mechanics, Physical Combinatorics and Mathematical Aspects of Condensed Matter Seo 2008 6 Digit Code Expanding Knowledge in the Mathematical Sciences