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Prof. Vijender Nallapu

Assistant Professor Gr-I

Department of Mathematics

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Room No: +91-870-246 vijendernallapu@nitw.ac.in Bio Sketch

    Key Notes

    • Journal(s): 28

    28

    PUBLICATIONS

    2

    PROJECTS

    Research Areas

    EDUCATION QUALIFICATION
    Degree Institute Year
    Doctor of Philosophy IIT Madras 2015
    COURSES HANDLED
    Course L-T-P Credit Degree Level
    Computer-Oriented Numerical Methods(MA1205) 3-0-0 3 UG
    Linear Algebra, Calculus and Ordinary Differential Equations(MA1161) 3-0-0 3 UG
    Real Analysis(MAI351) 3-0-0 3 UG
    Fourier Series, Partial Differential Equations and Complex Variables(MA1363) 3-0-0 3 UG
    Numerical and Statistical Methods(MA231) 3-0-0 3 UG
    RESEARCH IDs
    ORCID
    ORC ID
    Scopus
    SCOPUS ID
    Google Scholar
    Google Scholar ID
    PUBLICATIONS
    Journal(s)
    Hidden variable bivariate fractal functions and shape preserving approximation, By N. Vijender and Richa Jain, Springer, European physical journal special topics, vol., pp., 2025
    Some classical and fractal splines for constrained and shape preserving interpolation and applications in solving differential equations, By Richa Jain and N. Vijender, Springer, Indian Journal of Pure and Applied Mathematics, vol., pp., 2024
    Approximation of bivariate Lipschitz continuous functions by hidden variable fractal functions, By N. Vijender, Springer, Indian Journal of Pure and Applied Mathematics, vol., pp., 2024
    A fractal model for constrained curve and surface interpolation, By K. Mahipal Reddy and N. Vijender, Springer, European physical journal special topics, vol.232, pp.1015–1025, 2023
    Generalized Zipper Fractal Approximation and Parameter Identification Problems, By Vijay, N. Vijender, and A. K. B. Chand, Springer, Computational and Applied Mathematics, vol.41:155, pp., 2022
    Approximation of complex-valued functions by fractal functions, By N. Vijender, Springer, Advances in Pure and Applied Mathematics, vol.12(2), pp.1-14, 2021
    Shape preserving aspects of bivariate alpha-fractal function, By N. Vijender and A. K. B. Chand, World Scientific, Fractals, vol.29(7), pp., 2021
    Approximation by non-self-referential bivariable fractal functions, By N. Vijender and V. Drakopoulos, Springer, European Physical Journal Special Topics, vol., pp., 2021
    Univariable affine fractal interpolation functions, By N. Vijender and V. Drakopoulos, Springer, Theoretical and Mathematical Physics, vol.207(3), pp.689–700, 2021
    Bernstein Fractal Interpolation, By N. Vijender and M. A. Navascues, Springer, Applied Mathematics-A Journal of Chinese Universities, vol.36(3), pp.330-341, 2021
    On the Bernstein affine fractal interpolation curved lines and surfaces, , By N. Vijender and V. Drakopoulos, MDPI, Axioms, vol.19(9), pp., 2020
    Quantum α-fractal approximation, By N. Vijender, A. K. B. Chand, M. A. Navascu´es, and M. V. Sebastian, Taylor & Francis, International Journal of Computers and Applications, vol., pp., 2020
    Approximation by Hidden Variable Fractal Functions: A Sequential Approach, By N. Vijender, Springer, Results in Mathematics, vol.74:192, pp., 2020
    Affine Zipper Fractal Interpolation Functions, By A. K. B. Chand, N. Vijender, P. Viswanathan, A. V. Tetenov, Springer, BIT Numerical Mathematics, vol.60, pp.319-344, 2019
    Bernstein Fractal Approximation and Fractal Full Muntz Theorems,, By N. Vijender, Kent State University Library , Electronic Transactions on Numerical Analysis (ETNA), vol.51, pp.1-21, 2019
    Bernstein Fractal Trigonometric Approximation, By N. Vijender, Springer, Acta Applicandae Mathematicae, vol.159(1), pp., 2018
    Positivity and Stability of Rational Cubic Fractal Interpolation Surfaces, By N. Vijender, Springer, Mediterranean Journal of Mathematics, vol.15 (89), pp., 2018
    Bernstein Fractal Rational Approximants with No Condition on Scaling Vectors, By N. Vijender, World Scientific, Fractals, vol.26(4), pp., 2018
    Fractal Perturbation of Shaped Functions: Convergence Independent of Scaling, By N. Vijender, Springer, Mediterranean Journal of Mathematics, vol.15(211), pp., 2018
    Convexity/Concavity and Stability Aspects of Rational Cubic Fractal Interpolation Surfaces, By A. K. B. Chand, N. Vijender, and M. A. Navascues, Springer, Computational Mathematics and Modeling, vol.28(3), pp., 2017
    Bicubic Partially Blended Rational Fractal Surface for a Constrained Interpolation Problem, By A. K. B. Chand, P. Viswanathan, and N. Vijender, Springer, Computational and Applied Mathematics, vol.31(1), pp., 2016
    Monotonicity/Symmetricity Preserving Rational Quadratic Fractal Interpolation Surfaces, By A. K. B. Chand and N. Vijender, University of Alberta, International Journal of Numerical Analysis and Modeling, vol.13(1), pp.145-165, 2016
    A new Class of Fractal Interpolation Surfaces Based on Functional Values, By A. K. B. Chand and N. Vijender, 23(2), Fractals, vol., pp., 2015
    Bivariate Shape Preserving Interpolation: A Fractal-Classical Hybrid Approach, By A. K. B. Chand, P. Viswanathan, and N. Vijender, Elsevier, Chaos, Solitons & Fractals, vol.81, pp. 330-344, 2015
    Positive Blending Hermite Rational Cubic Spline Fractal Interpolation Surfaces, By A. K. B. Chand and N. Vijender, Springer, Calcolo, vol.52, pp., 2015
    , Shape Preservation of Scientific Data Through Rational Fractal Splines, By A. K. B. Chand, N. Vijender, and M. A. Navascues, Springer, Calcolo, vol.51, pp.329-362, 2014
    Rational Iterated Function System for Positive/Monotonic Shape Preservation, By A. K. B. Chand, N. Vijender, and R. P. Agarwal, Springer, Advances in Continuous and Discrete Models: Theory and Modern Applications (previously Advances in Difference Equations), vol.2014:30, pp., 2014
    Shape Preserving Affine Fractal Interpolation Surfaces, By N. Vijender and A. K. B. Chand, Cambridge Scientific Publishers , Nonlinear Studies, vol.21(2), pp., 2014
    PROJECT / CONSULTANCY
    Development of Theory of Shape Preserving Hidden Variable Multivariate Fractal Approximants
    Role: Principal Investigator
    Type: Research
    Sponsor: DST-INSPIRE, INDIA
    Project Cost (INR): 2700000
    Date of Commencement: 22-08-2022  
    Duration: 60 Months
    Status: Ongoing
    Development of Fractal Numerical Methods and Applications in Solving Differential Equations
    Role: Principal Investigator
    Type: Research
    Sponsor: SERB (ANRF), DST, India,
    Project Cost (INR): 660000
    Date of Commencement: 21-02-2022   Date of Completion: 20-02-2025
    Duration: 36 Months
    Status: Completed
    RESEARCH FELLOWS / PhD STUDENTS
    CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE / FACULTY DEVELOPMENT PROGRAMME
    ADDITIONAL RESPONSIBILITIES
     Last updated on March 3, 2026