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- Pareto approximation of the tail by local exponential modeling.
**Classification of GL(2, ℜ)-orbit's dimensions for the differential equations' system with homogeneities of the 4th order.**- Power sets of n-ary quasigroups.
- Existence and uniqueness results for a class of nonlinear differential problems.
- Biharmonic curves in Cartan-Vranceanu (2n+1)-dimensional spaces.
- Infinitely many functional pre-complete classes of formulas in the propositional provability intuitionistic logic.
- Linear convolution of criteria in the vector p-center problem.
- On LCA groups in which some closed subgroups have commutative rings of continuous endomorphisms.
- Multi-dimensional Darboux type differential systems with quadratic nonlinearities.
- GL(2, ℜ) -orbits in a competing species model.
- Minimum Cost Multicommodity Flows in Dynamic Networks and Algorithms for their Finding.