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We present a new, more elementary proof of the Freedman-Teichner result that the geometric classification techniques (surgery, s-cobordism, and pseudoisotopy) hold for topological 4-manifolds with gr...
Topology Change and Vector Modules on Noncommutative Surfaces of Rotation
Topology Vector Modules Noncommutative Surfaces of Rotation
2010/10/29
A non associative, noncommutative algebra is defined that may be interpreted as a set of vector modules over a noncommutative surface of rotation. Two of these vector modules are identified with the ...
Analytic Topology of Groups, Actions, Strings and Varietes
Analytic Topology of Groups Actions Strings Varietes
2010/11/1
This is a paper in Analytic Topology.
Dynamical System Topology Preserved in the Presence of Noise
topological horseshoes generalized quadrilateral indecomposable continua connected indecomposable sets shift dynamics noisy dynamical systems permanent set entrainment set destination set
2010/3/4
We first give a precise definition of the terms ``topological horseshoe'' and ``generalized quadrilateral'' and then examine the behavior of a homeomorphism F on a locally compact, separable, locally ...