Ministry of Education
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Dr Lakshmi Sankar Kalappattil

vidwan id: 99439
Female

Associate Professor, Department of Mathematics
Indian Institute of Technology, Palakkad

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Expertise

  • Mathematics

Publications

Total Articles 14
Books 0
Proceedings 0

Publications

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Scopus

Citations 164
h-index 7

CrossRef

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Citations 80
h-index 5
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Bio

Differential Equations, Nonlinear Analysis

Personal Details

  • Female
  • Associate Professor , Indian Institute of Technology, Palakkad
  • Indian Institute of Technology Palakkad, Ahalia Integrated Campus, Kozhippara P.O
Ph.D
Other Institute 2013
Associate Professor Jun 2023 – Present
Indian Institute of Technology, Palakkad | Department of Mathematics
Assistant Professor Jul 2016 – Jun 2023
Indian Institute of Technology, Palakkad | Department of Mathematics

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Co-Authors (3)

Anoop

Dr Anoop Thazhe Veetil

Indian Institute of Technology Madras

Sarath

Dr Sarath Sasi

Indian Institute of Technology, Palakkad

S

Prof S Sundar

Indian Institute of Technology Madras

Scholarly Work

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Scholarly Publications

Sublinear positone and semipositone problems on the exterior of a ball in R2

Open Access
Article
Journal of Mathematical Analysis and Applications. Year: 2025. Volume: 548 , Issue: 2 .
Authors: Joseph A.;Sankar L.
DOI 10.1016/j.jmaa.2025.129423

Singular semilinear elliptic problems on unbounded domains in Rn

Open Access
Article
Journal of Mathematical Analysis and Applications. Year: 2023. Volume: 520 , Issue: 2 .
Authors: Joseph A.;Sankar L.
DOI 10.1016/j.jmaa.2022.126903
2 3

Positive solutions to superlinear semipositone problems on the exterior of a ball

Open Access
Article
Complex Variables and Elliptic Equations. Year: 2022. Volume: 67 , Issue: 11 , Pages: 2633-2645 .
Authors: Joseph A.;Sankar L.
DOI 10.1080/17476933.2021.1939318
1

Singular semilinear elliptic problems with asymptotically linear reaction terms

Open Access
Article
Journal of Mathematical Analysis and Applications. Year: 2020. Volume: 486 , Issue: 1 .
Authors: Krishnasamy V.;Sankar L.
DOI 10.1016/j.jmaa.2020.123869
7 7

Infinite semipositone problems with a falling zero and nonlinear boundary conditions

Open Access
Article
Electronic Journal of Differential Equations. Year: 2018. Volume: 2018 , Issue: 193 , Pages: 1-13 .
Authors: Mallick M.;Sankar L.;Shivaji R.;Sundar S.

An existence result for superlinear semipositone p-Laplacian systems on the exterior of a ball

Open Access
Article
Differential and Integral Equations. Year: 2018. Volume: 31 , Issue: 7-8 , Pages: 643-656 .
Authors: Chhetri M.;Shivaji R.;Son B.;Sankar L.
9

Antimaximum principle in exterior domains

Open Access
Article
Year: 2016. Volume: 130 , Pages: 241-254 .
Authors: Anoop T.V.;Drábek P.;Sankar L.;Sasi S.
DOI 10.1016/j.na.2015.10.010
2 3

Positive solutions for a class of superlinear semipositone systems on exterior domains

Open Access
Article
Year: 2014. Volume: 2014 , Issue: 1 , Pages: 1-9 .
Authors: Abebe A.;Chhetri M.;Sankar L.;Shivaji R.
DOI 10.1186/s13661-014-0198-z
12 7