Title Dr. First Name Sumit Last Name Nagpal
Designation Associate Professor
Department Department of Mathematics
Email snagpal@maths.du.ac.in
Webpage https://sites.google.com/view/dr-sumit-nagpal-du
Phone.no 011-27666658
Employement Info
Employee Type Nature Of Employment
Teaching Permanent
Educational Qualifications
Degree/Certification Name Institution Year of Completion
Ph.D. - Mathematics University of Delhi 2014
M.Phil. University of Delhi 2011
PG University of Delhi 2009
UG University of Delhi 2007
Qualifications
Examination Name Conducting Body Date of Passing
NET CSIR 21-06-2009
Teaching Experience (Within Institution)
Designation Duration
Assistant Professor 07-03-2014 To 03-10-2022 (8 years, 6 months, 26 days)
Research Supervision Overview
PhD Scholars Supervised PhD Degrees Awarded Theses Submitted
4 3 0
M.Phil Scholars Supervised M.Phil Degrees Awarded M.Phil Theses Submitted
0 1 0
Research Publications
Title of Article Type of Publication Name of Journal ISSN Journal Volume Year Link to Article DOI (Digital Object Identifier)
Hankel determinant for two subclasses of univalent functions with bounded turning Research Papers in Web of Science Listed Journals Lithuanian Mathematical Journal 1573-8825 65 https://doi.org/10.1007/s10986-025-09670-6
Exponential radii of starlikeness and convexity of some special functions Research Papers in Web of Science Listed Journals Ramanujan Journal 1572-9303 65 2024 https://doi.org/10.1007/s11139-024-00902-w
Radius Problems for the New Product of Planar Harmonic Mappings Research Papers in Web of Science Listed Journals Computational Methods and Function Theory 2195-3724 25 2024 https://doi.org/10.1007/s40315-024-00538-3
Geometric Properties of Generalized Bessel Function associated with the exponential function Research Papers in Web of Science Listed Journals Mathematica Slovaca 1337-2211 73 2023 https://www.degruyter.com/document/doi/10.1515/ms-2023-0106/html https://doi.org/10.1515/ms-2023-0106
Radius problems for ratios of analytic functions involving sigmoid domain Research Papers in Web of Science Listed Journals Asian-European Journal of Mathematics 1793-7183 17 2023 https://doi.org/10.1142/S179355712350239X
Partial sums and inclusion relations for starlike functions associated with an evolute of a nephroid curve Research Papers in Web of Science Listed Journals Bulletin of the Korean Mathematical Society 2234-3016 60 https://doi.org/10.4134/BKMS.b220582
Radius of convexity of classes associated with the ratio of derivative functions Research Papers in Web of Science Listed Journals Rendiconti del Circolo Matematico di Palermo. Second Series 1973-4409 73 2023 https://doi.org/10.1007/s12215-023-00938-9
Marx-Strohhacker theorem for multivalent functions Research Papers in Web of Science Listed Journals Afrika Matematika 1012-9405 32 2021 https://doi.org/10.1007/s13370-021-00909-2
On the product of planar harmonic mappings Research Papers in Web of Science Listed Journals Computational Methods and Function Theory 1617-9447 21 2021 https://link.springer.com/article/10.1007/s40315-021-00367-8 https://doi.org/10.1007/s40315-021-00367-8
Coefficient functionals for non-Bazilevic functions Research Papers in Web of Science Listed Journals Revista de la Real Academia de Ciencias Exactas, Fısicas y Naturales. Serie A. Matematicas 1578-7303 116 https://doi.org/10.1007/s13398-021-01185-2

Radius of Convexity for Analytic Part of Sense-Preserving Harmonic Mappings Research Papers in Web of Science Listed Journals Bulletin of the Malaysian Mathematical Sciences Society 0126-6705 45 https://doi.org/10.1007/s40840-022-01322-z
Starlike functions associated with an Epicycloid Research Papers in Web of Science Listed Journals Hacettepe Journal of Mathematics and Statistics 1303-5010 51 https://doi.org/10.15672/hujms.1019973
Inclusion relations and radius problems for a subclass of starlike functions Research Papers in Web of Science Listed Journals Journal of the Korean Mathematical Society 0304-9914 58 https://doi.org/10.4134/JKMS.j200465
Stable close-to-convexity and radius of full convexity for sense-preserving harmonic mappings Research Papers in Web of Science Listed Journals The Rocky Mountain Journal of Mathematics 1945-3795 54 2024 https://doi.org/10.1216/rmj.2024.54.525
Research Projects
Project Title Project Type Year Of Sanction Outcome/Output Duration
Geometric Properties of Analytic and Harmonic Univalent Mappings Minor 2023 One Research article in SCIE (Web of Science Indexed) Journal was the outcome of the project. 31-08-2023 To 31-03-2024 (7 months)
Construction Techniques for Univalent Harmonic Mappings Minor 2024 One Research article in SCIE (Web of Science Indexed) Journal was the outcome of the project. 30-08-2024 To 31-03-2025 (7 months, 1 days)
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