The congressional redistricting map for which Gov. Martin O’Malley is seeking legislative approval ignores standards of continuity and compactness and puts together far-flung communities that do not ...

Schrödinger operators, typically formulated as −Δ + V where Δ denotes the Laplacian and V a potential function, are central to quantum mechanics and spectral theory. A key focus in recent ...

Topological spaces form the foundational framework for modern analysis and geometry, characterised by a set equipped with a collection of open subsets satisfying specific axioms. This flexible ...