Nikolov, Nikolai
Several complex variables
Muskarov, Oleg
Several complex variables, Analysis on complex and almost complex manifolds, Complex differential geometry, Twistor theory.
Milousheva, Velichka
Differential geometry of Riemannian manifolds, differential geometry of surfaces and hypersurfaces in Euclidean or Minkowski spaces, local theory of surfaces in pseudo-Euclidean spaces with neutral metric.
Kovacheva, Ralitza
Approximations by rational functions in the complex plane: Pade approximation, best rational approximation, orthogonal polynomials, rate of approximation; complex analysis, potential theory, numerical analysis, mathematical modelling.
Kiryakova, Virginia
Fractional Calculus, Special Functions, Integral Transforms, Differential Equations.
Barov, Stoyu
Infinite-dimensional topology, Geometric Tomography/Topology, Geometry of Banach spaces, Convexity, Topological vector spaces, Selection theory.
Bazhlekova, Emilia
Fractional calculus; Fractional differential and integral equations: operator-theoretical approach, qualitative properties of solutions. Convolutional calculus: Duhamel-type representations for nonlocal boundary-value problems.
Apostolov, Vestislav
Complex differential geometry, algebraic geometry, global analysis.