** The Baire category theorem about complete metric spaces, and its consequences, such as the open mapping theorem and the closed graph theorem.

** Systems Biology comes under this category including reaction fluxes and variable concentrations of metabolites

** Dual ( category theory ), a formalization of mathematical duality

** Concept learning is the induction of a concept ( category ) from observations

** Inform category: A Change in the Weather by Andrew Plotkin

** TADS category: Uncle Zebulon's Will by Magnus Olsson

** Limit ( category theory )

** Chamois leather also falls into the category of aldehyde tanning and like brain tanning produces a highly water absorbent leather.

** the materials are subject to a subpoena-although many practitioners regard that fact as a category of permissible disclosure, not as a categorical exclusion from confidentiality ( because court-ordered secrecy provisions may apply even in case of a subpoena ).

** the product category, a category that is the product of categories.

** A devastating category 4 Cyclone strikes Andhra Pradesh, India.

** Hondo-Louis L ' Amour ( Note: Originally announced on February 15, 1954 as a nominee in this category.

** Poultry – category of domesticated birds kept by humans for the purpose of collecting their eggs, or killing for their meat and / or feathers.

** the category of vector spaces over a field K.

** the category of vector spaces over a field K.

** Set, the category of sets

** Top, the category of topological spaces

** Grp, the category of groups

** Ab, the category of abelian groups

** Ring, the category of rings

** K-Vect, the category of vector spaces over a field K

** R-Mod, the category of modules over a commutative ring R

** CmptH, the category of all compact Hausdorff spaces

** Katja Riemann, German actress

** Riemann zeta function

** The ZetaGrid project was set up to search for a counterexample to the Riemann hypothesis.

** Riemann mapping theorem

** Eruptive variables, stars who experience eruptions on their surfaces like flares or mass ejections.

** Surface Loci concerned either loci ( sets of points ) on surfaces or loci which were themselves surfaces.

** In mathematics, Systoles of surfaces are systolic inequalities for curves on surfaces

** Hydrodynamic lubrication is where the motion of the contacting surfaces, and the exact design of the bearing is used to pump lubricant around the bearing to maintain the lubricating film.

** Exposing wing surfaces.

** Conceal wing surfaces.

** on the dielectric's surfaces ( a surface charge )

** Warping or waving of surfaces and edges

** Textured surfaces

** List of algebraic surfaces

** The anterior and posterior surfaces are flattened and of equal depth ; the former is placed on a lower level than the latter, and its inferior border is prolonged downward, so as to overlap the upper and forepart of the vertebra below.

** Calculus, including reduction formulae, surfaces of revolution and the inverse trigonometric functions.

** They help to maintain the polarity of cells by preventing the lateral diffusion of integral membrane proteins between the apical and lateral / basal surfaces, allowing the specialized functions of each surface ( for example receptor-mediated endocytosis at the apical surface and exocytosis at the basolateral surface ) to be preserved.

** Personal Issue for Justice Snow: An audiotape surfaces of Justice Snow disparaging the other justices at a party.

** Branch Avenue ( As river surfaces from underneath I-95 )