Preface -- In Memoriam Bogdan Mielnik -- Some aspects of the work of Daniel Sternheimer -- On canonical parametrization of phase spaces of Isomonodromic Deformation Equations -- On some deformations of the Poisson structure associated with the algebroid bracket of differential forms -- Generation of Painlevé V transcendents -- Hamiltonian Dynamics for the Kepler Problem in a Deformed Phase Space -- Notes on integrable motion of two interacting curves and two-layer generalized Heisenberg ferromagnet equations -- About the solutions to the Witten–Dijkgraaf–Verlinde–Verlinde associativity equations and their Lie-algebraic and geometric properties -- 2+2-Moulton Configuration – rigid and flexible -- Melnikov functions in the rigid body dynamics -- E(2)-covariant integral quantization of the motion on the circle and its classical limit -- On Deformation Quantization using Super Twistorial Double Fibration -- Deformation Quantization of Commutative Families and Vector Fields -- Co-Toeplitz Quantization: A Simple Case -- On the quantum flag manifold SUq(3)/T2 -- A Hopf algebra without a modular pair in involution -- Hopf–Rinow theorem in Grassmann manifolds of C∗-algebras -- Short geodesics for Ad invariant metrics in locally exponential Lie groups -- On Conjugacy of Subalgebras of Graph C∗-Algebras -- A Direct Proof for an Eigenvalue Problem by Counting Lagrangian Submanifolds -- Applications of the Fundamental Theorems of Projective and Affine Geometry in Physics -- Modeling the dynamics of a charged drop of a viscous liquid -- The orthogonal systems of functions on lattices of SU(n + 1), n < ∞ -- The Super Orbit Challenge -- Weighted generalization of the Szegö kernel and how it can be used to prove general theorems of complex analysis -- Amenability, flatness and measure algebras -- Functional Analysis techniques in Optimization and Metrization problems -- Twistor Geometry and Gauge Fields -- Quantum Dirichlet forms and their recent applications -- Lagrangian approach to Geometric Quantization.