Assembly Map
In mathematics, assembly maps are an important concept in geometric topology. From the homotopy-theoretical viewpoint, an assembly map is a universal approximation of a homotopy invariant functor by a homology theory from the left. From the geometric viewpoint, assembly maps correspond to 'assemble' local data over a parameter space together to get global data.
Assembly maps for algebraic K-theory and L-theory play a central role in the topology of high-dimensional manifolds, since their homotopy fibers have a direct geometric interpretation. Equivariant assembly maps are used to formulate the Farrell–Jones conjectures in K- and L-theory.
Read more about Assembly Map: Homotopy-theoretical Viewpoint, Geometric Viewpoint, Importance in Geometric Topology
Famous quotes containing the words assembly and/or map:
“There is a sacred horror about everything grand. It is easy to admire mediocrity and hills; but whatever is too lofty, a genius as well as a mountain, an assembly as well as a masterpiece, seen too near, is appalling.”
—Victor Hugo (18021885)
“When I had mapped the pond ... I laid a rule on the map lengthwise, and then breadthwise, and found, to my surprise, that the line of greatest length intersected the line of greatest breadth exactly at the point of greatest depth.”
—Henry David Thoreau (18171862)