On the strong Nörlund summability of conjugate Fourier series. - Madan Lal Mittal; Uaday Singh; Vishnu Narayan Mishra (Appl. Math. Comput., 2007)

T * C1 summability of a sequence of Fourier coefficients. - Madan Lal Mittal; Uaday Singh (Appl. Math. Comput., 2008)

Approximation of signals of class Lip(alpha, p) by linear operators. - Madan Lal Mittal; B. E. Rhoades; Smita Sonker; Uaday Singh (Appl. Math. Comput., 2011)

Trigonometric Approximation of Signals (Functions) Belonging to W(Lr, 𝜉(t)) Class by Matrix (C1·Np) Operator. - Uaday Singh; Madan Lal Mittal; Smita Sonker (Int. J. Math. Math. Sci., 2012)

Approximation of conjugate of functions belonging to weighted Lipschitz class W(Lp, ξ(t)) by Hausdorff means of conjugate Fourier series. - Uaday Singh; Shailesh Kumar Srivastava (J. Comput. Appl. Math., 2014)

Trigonometric approximation of periodic functions belonging to Lip(ω(t), p)-class. - Shailesh Kumar Srivastava; Uaday Singh (J. Comput. Appl. Math., 2014)

Some characterizations of Hausdorff matrices and their application to Fourier approximation. - Birendra Singh; Uaday Singh (J. Comput. Appl. Math., 2020)

On Rate of Convergence of Matrix Means of Corrected Fourier Series. - Uaday Singh; Birendra Singh (Appl. Math. Comput., 2023)