Computing GCDs of Multivariate Polynomials over Algebraic Number Fields Presented with Multiple Extensions -- Generating Elementary Integrable Expressions -- How to Automatise Proofs of Operator Statements: Moore-Penrose Inverse a Case Study -- A Modular Algorithm for Computing the Intersection of a One-Dimensional Quasi-Component and a Hypersurface -- Certified Study of Internal Solitary Waves -- Root-Squaring for Root-Finding -- Symbolic-Numerical Algorithm for Solving the Problem of Heavy Ion Collisions in an Optical Model with a Complex Potential -- On the Complexity of Linear Algebra Operations over Algebraic Extension Fields -- Range Functions of Any Convergence Order and their Amortized Complexity Analysis -- Stability and Zero-Hopf Bifurcation Analysis of the Lorenz-Stenflo System Using Symbolic Methods -- Non-Principal Branches of Lambert W. A Tale of 2 circles -- On the Qualitative Analysis of the Equations of Motion of a Nonholonomic Mechanical System -- Solving Parametric Linear Systems Using Sparse Rational Function Interpolation -- On the Distance to the Nearest Defective Matrix -- Effective Algorithm for Computing Noetherian Operators of Positive Dimensional Ideals -- On the Structure and Generators of Differential Invariant Algebras -- An Algorithm for the Intersection Problem of Planar Parametric Curves -- A Symbolic-numeric Method for Solving the Poisson Equation in Polar Coordinates -- Two Variants of B´ezout Subresultants for Several Univariate Polynomials -- Efficient Quotients of Non-Commutative Polynomials -- Inverse Kinematics and Path Planning of Manipulator Using Real Quantifier Elimination Based on Comprehensive Gröbner Systems.