Niteesh  Sahni

Key Research Areas

Functional analysisOperator TheoryDynamical Systems

Dr Niteesh Sahni

Associate Professor School of Natural Sciences

School of Natural Sciences

Functional analysis, Operator Theory, Dynamical Systems

Research Overview

Functional analysis, Operator Theory, Dynamical Systems

Education

PhD, University of Delhi, 2014 MPhil, University of Delhi, 2003 MSc, University of Delhi, 2001 BSc Honours, Sri Venkateswara College, University of Delhi, 1999

Experience

July 2021 till present: Associate Professor, Department of Mathematics, Shiv Nadar University. June 2011 till June 2021: Assistant Professor, Department of Mathematics, Shiv Nadar University. 2004-2011: Senior Lecturer, Mathematical Sciences Foundation, New Delhi.

# Title Authors Source Year Cited
1 Article Open access
A novel portfolio construction strategy based on the core- periphery profile of stocks
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Abstract not available.
Ansari, I.; Sharma, C.; Agrawal, A.; Sahni, N. Scientific Reports, 15(1) 2025 0
2 Article
Analyzing communicability and connectivity in the Indian stock market during crises
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Abstract not available.
Pawanesh, P.; Sharma, C.; Sahni, N. Journal of Complex Networks, 13(5) 2025 0
3 Article
Uncovering the hidden core-periphery structure in hyperbolic networks
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Abstract not available.
Ansari, I.; Pawanesh, P.; Sahni, N. Physical Review E, 112(3) 2025 0
4 Article
Exploiting the geometry of heterogeneous networks: a case study of the Indian stock market
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Abstract not available.
Pawanesh; Sharma, C.; Sahni, N. Soft Computing, 29(9), 4317-4334 2025 1
5 Article
Exploring the core–periphery and community structure in the financial networks through random matrix theory
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Abstract not available.
Pawanesh, P.; Ansari, I.; Sahni, N. Physica A: Statistical Mechanics and its Applications, 661 2025 6
6 Article
Helson–Lowdenslager and de Branges type theorems in the setting of continuous rotationally symmetric norms
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Abstract not available.
Singh, A.; Sahni, N. Banach Journal of Mathematical Analysis, 17(3) 2023 0
7 Article
Multiplication by finite Blaschke factors on a general class of Hardy spaces
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Abstract not available.
Singh, A.; Sahni, N. Advances in Operator Theory, 7(4) 2022 1
8 Article
On extension of Beurling–Helson–Lowdenslager theorem
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Abstract not available.
Anand, J.; Sahni, N.; Srivastava, S. Advances in Operator Theory, 6(4) 2021 0
9 Article Open access
A mutual information based R-vine copula strategy to estimate VaR in high frequency stock market data
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Abstract not available.
Sharma, C.; Sahni, N. PLoS ONE, 16(2026-06-06 00:00:00) 2021 8
10 Article Open access
Machine learning approaches to identify and design low thermal conductivity oxides for thermoelectric applications
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Abstract not available.
Tewari, A.; Dixit, S.; Sahni, N.; Bordas, S.P.A. Data-Centric Engineering, 1(6) 2020 19
11 Conference paper
Analyzing the impact of nbti and process variability on dynamic sram metrics under temperature variations
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Abstract not available.
Picardo, S.M.; Shaik, J.B.; Sahni, S.; Goel, N.; Singhal, S. Lecture Notes in Electrical Engineering, 659, 608-616 2020 2
12 Article
Invariance under finite blaschke factors on BMOA
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Abstract not available.
Kumar, A.; Sahni, N.; Singh, D. New York Journal of Mathematics, 23, 1641-1656 2017 0
13 Article
Invariance under bounded analytic functions: Generalizing shifts
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Abstract not available.
Kumar, A.; Sahni, N.; Singh, D. New York Journal of Mathematics, 22, 1249-1270 2016 2
14 Article
Lax-Halmos type theorems on Hp spaces
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Abstract not available.
Sahni, N.; Singh, D. Houston Journal of Mathematics, 41(2), 571-587 2015 4
15 Article
Multiplication by monomials on BMOA
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Abstract not available.
Sahni, N.; Singh, D. Houston Journal of Mathematics, 40(3), 875-883 2014 2
16 Article
Chaotic evaluations in a modified coupledLogistic type predator-prey model
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Saha, L.M.; Sahni, N. Applied Mathematical Sciences, 6(137-140), 6927-6942 2012 6

Project details will be updated soon.

Research contributions aligned with UN Sustainable Development Goals:

10
Reduced Inequalities
Type Title Status Filed Date Inventors
No patents available.

Awards & Honors

  • 2013 Gave an invited talk on ?Invariance in Hardy-Hilbert spaces? at the 100th Indian Science Congress in 2012. Adjunct Department:?Institute for Innovations & Inventions with Mathematics and IT (IIIMIT)

Professional Memberships

  • No memberships listed.

Additional information will be updated soon.