𝒈𝒔𝒑**- Closed Set in Topological Spaces

Spectral Solution of Fractional Delay Equations via Fermat Polynomials

Semi pre-c-separation axioms in topological spaces

Non-constant current at three dimension null point

Semi-delta-open sets can be used to define new operators

Fermat Operational Matrix for Solving Nonlinear Fractional Differential Equations Using Spectral Galerkin Method