The classical Bertrand-Darboux problem

The classical Hom-Yang-Baxter equation and Hom-Lie bialgebras

The classical limit of the time dependent Hartree-Fock equation. I. The Weyl symbol of the solution

The Classical Moment Problem as a Self-Adjoint Finite Difference Operator

The classical point-electron in Colombeau's theory of nonlinear generalized functions

The classical point-electron in the sequence algebra (C^infinity)^I

The classical r-matrix in a geometric framework

The Classical Trigonometric r-Matrix for the Quantum-Deformed Hubbard Chain

The Classical Two-Component Spinor Formalisms for General Relativity

The Classification of n-Lie Algebras

The Classification of Surfaces

The Classification of Time Invariants (First Integrals) of Multinomial Systems of O.D.E.s and the Surprising Link Between Algebraic and Logarithmic Time Invariants, Dictated by the Method of Arrays

The Clifford Algebra approach to Quantum Mechanics A: The Schroedinger and Pauli Particles

The Clifford Algebra Approach to Quantum Mechanics B: The Dirac Particle and its relation to the Bohm Approach

The Combinatorics of Alternating Tangles: from theory to computerized enumeration

The combinatorics of Bogoliubov's recursion in renormalization

The comfortable roller coaster -- on the shape of tracks with constant normal force

The Commutativity of Integrals of Motion for Quantum Spin Chains and Elliptic Functions Identities

The Comparison between the Infinitesimal Operators for SU(3) and Boson Operators in Cartan-Weyl Basis

The Complete Characterization of Fourth-Order Symplectic Integrators with Extended-Linear Coefficients