Dr(Ms) Preeti Dharmarha
Associate Professor | Department of Mathematics
Contact (Off.): +91-11-27667458
Email Address : drpreetidharmarha[at]hrc[dot]du[dot]ac[dot]in
View Resume
Functional Analysis (Operator Theory)
- Ph.D. Mathematics , 2009 , University of Delhi
- M.Phil. Mathematics , 1989 , University of Delhi
- Certificate in French , 1988 , University of Delhi
- M.Sc. Mathematics , 1986 , HansRaj College,University of Delhi
Started as Ad-Hoc Lecturer in Department of Mathematics, Hansraj College, University of Delhi in 1987.Continuing since then and currently working as Associate Professor.
Subjects Taught:
- Undergraduates
- B. A./ B. Sc. (Hons.) Mathematics
- Metric Spaces (Semester, FYUP and CBCS Mode)
- Complex Analysis (Semester, FYUP and CBCS Mode)
- Bio Mathematics (Semester mode)
- Discrete mathematics (Annual Mode and Semester Mode)
- Analysis – IV (Riemann Integration) (Annual Mode)
- Analysis – I (Annual Mode)
- Calculus (Annual Mode)
- Algebra – I (Semester Mode)
- Real Analysis (Semester Mode)
- B. Com. (Hons.)
- Business Mathematics (Annual Mode)
- B. Sc. (H) (Chemistry)
- Calculus (Semester mode)
- Coordinate Geometry and Algebra (Annual Mode)
- B.Sc. (Physical sciences)
- Real Analysis (Semester mode)
- Calculus (Annual Mode)
- B.Sc.(H) Physics
- PHHT-413, Paper-15: Mathematics-II (Sem. Mode)
- Postgraduates
M.A/ M.Sc. Mathematics
- Topology-I ((Department of Mathematics, University of Delhi, 2018-19, Sem. II)
- Differential Geometry (Department of Mathematics, University of Delhi, 2017-18, Sem. IV)
IT usage and Software: Basics of MS word, MS Excel, MS PPT, Maxima, Mathematica and LaTeX & HTML
PhD
Reading Course: Math16-30 ‘Banach Algebra Techniques in Operator Theory to Ph.D. scholars in the Department of Mathematics, University of Delhi in 2016-17.
- M.Phil.: Completed 1. Harshita Shekhar (Department of Mathematics, Univ. of Delhi): Topic: Classes of Operators satisfying Weyl Type Theorems
- PhD(3) Ongoing (Department of Mathematics, Univ. of Delhi): 1.SonuRam, 2. Sarita Kumari, 3.Ramkishan
- College Bursar :2020-till date
- Presiding Officer: Internal Complaints Committee of the College( 2019-20, 2020-21)
- Member: IQAC (2015-till date)
- Convenor: Admission: University Ward Quota (2020-21)
- Convenor: College Moderation Committee (2020-21)
- Nodal Officer: NIRF (2018-19, 2019-20)
- Coordinator: NAAC(2015-17)
- Faculty Development Centre, Hansraj College under PMMMNMTT (MHRD): Director(2018-19)
- Convenor: Library(2016-17, 2017-18)
- Convenor: Grievance Redressal Committee (2016-17)
- Convenor: Student Union Advisory Committee (2016-17)
- Superintendent: Examinations, Hansraj College (2000, 2002, 2010)
- Secretary: Staff Council, Hansraj College (1999-2000)
- Secretary: Hansraj College Alumni Association (2015-18)
- Convenor: Admissions (Sciences) (2014-15)
- Teacher-in-Charge: Department of Mathematics ( 1995-96, 2008-09 and 2015-16)
- Convenor: Environment Awareness Committee "Haritima" ( 2009-2010, 2010-2011 and 2013-2014)
- Convenor: Publications Committee ( 2013-2014)
- Convenor: Hansraj@Antardhwani (Best Paractices) ( 2013-14, 2014-15)
- Member: Executive Committee : Hansraj College Alumni Association ( 2012-15)
- Treasurer: Hansraj College Alumni Association (2006-2009, 2009-2012)
- Convenor: Society for General Awareness (2015-16, 2016-17, 2017-18)
- Convenor: Student Welfare Committee
1. Ph.D. Thesis: A study of Weighted Weyl Spectra of Operators
2. M.Phil. Dissertation: A study of Commutants of Analytic Toeplitz Operators
- Aankalan, The Annual Journal of Department of Mathematics, Hansraj College, Volume 1, 2020 , Head , Advisory Editorial Board
- Chapter in an Edited Book: A generalization of class W of operators, Proceedings of IMBIC( 2018), Vol.7, ISBN 978-81-925832-6-6, pp.157-164.
- Finite Mathematics for Business, Economics, Life Science and Social Sciences (Barnett, Ziegler and Byleen), published by Pearson (2015): ISBN-9781292062297,
- Questions in Analysis for B.Sc.(Hons.) Mathematics in 2008-2009: ILLL (DU)Website (ISSN 2349-154X).
- Preeti Dharmarha and Sonuram: A note on (m,n)-paranormal operators: Electronic Journal of Mathematical Analysis and Applications, ISSN 2090-729X/ Vol. 9(1) January, 2021-Pg. 274-283
- Preeti Dharmarha and Sonuram:A note on (m,n)*-paranormal operators: Novi Sad Journal of Mathematics, https://doi.org/10.30755/NSJOM.10257
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Preeti Dharmarha and Sonuram:(m,n)-paranormal operators and (m, n)*-paranormal operators: Communications of the Korean Mathematical Society 35(2020), No.1, pp.151-159, pISSN: 1225-1763/eISSN: 2234
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S C Arora and Preeti Dharmarha: On left weighted spectrum: Vigyan Garima Sindhu, CSTT Vol.108 (Jan-March, 2019) ISSN: 2320-7736, pp.262-267
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Preeti Dharmarha and Savita Rani: V-Shaped Toeplitz Operators : International Journal Of Pure and Applied Mathematics, ISSN: 1311-8080, (2017), Vol. 114.
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Preeti Dharmarha: On Left Weighted Weyl's Theorem: Bulletin of the Allahabad Mathematical Society Vol. 23, Part 2, 285-292, ISSN: 0971-0493
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Preeti Dharmarha: Weighted Weyl Spectrum: Ganita, Vol. 58, No. 1 (2007), 67-74, ISSN:0046-5402
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S C Arora and Preeti Dharmarha: On Joint Weighted Spectrum: Bull. Cal. Math. Soc., 99, (5) (2007), 539-546, ISSN: 008-0659
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S C Arora and Preeti Dharmarha: Operators satisfying Re(sigma(alpha(T)))= Sigma(alpha(Re(T)): International Journal of Pure and Applied Mathematics, Bulgaria, Vol. 34, No. 2 (2007), 197-202, ISSN:1311-8080
- S C Arora and Preeti Dharmarha: Weighted Weyl spectrum II: Bulletin of Korean Mathematical Society 43 (2006), No. 4, 715-722, ISSN: 1015-8634
Organization of a Conference/ Workshop/Seminars
National Level:
1. National Seminar on Draft New Education Policy:2019
NIRF Related:
2. Quest for Quality: Ranking and Accreditation (Online), May 23, 2020.
ICC related:
- Role of ICC and Prevention, Prohibition and Redressal of Sexual Harassment at Workplace (Online)\\\\\\\\\\\\\\\\, May22, 2020.
- Organized one-day workshop on Prevention of Sexual Harassment at Workplace (for non-teaching staff of the college), June 2019.
Library related:
- 5. Four Day Training Programme on KOHA (ILMS) for Library Staff in 2016.
Subject (Mathematics) related:
National Level:
1. National Seminar on Draft New Education Policy:2019
NIRF Related:
2. Quest for Quality: Ranking and Accreditation (Online), May 23, 2020.
ICC related:
- Role of ICC and Prevention, Prohibition and Redressal of Sexual Harassment at Workplace (Online)\\\\\\\\\\\\\\\\, May22, 2020.
- Organized one-day workshop on Prevention of Sexual Harassment at Workplace (for non-teaching staff of the college), June 2019.
Library related:
- 5. Four Day Training Programme on KOHA (ILMS) for Library Staff in 2016.
Subject (Mathematics) related:
6. Shanti Narayan Mathematics Conclave: Launch of first edition of "Aankalan" – Department of Mathematics, Hansraj College,; Keynote speaker: Dr. S. R. Arora(Ex.Principal Hansraj College), Guest of Honour: Mr. Sanjiv Narayan,Feb.27, 2020.
7. Seminar: Foreign education and admission process, Department of Mathematics, Hansraj College; Speaker: Dr. Anusha Srivastava- Columbia University (USA) , November 9, 2019.
8. Hands on Session cum Workshop: Applications of Linear algebra, Department of Mathematics, Hansraj College; Speaker: Prof. Shobha Bagai,(Dean: Admissions, Prof.CIC,DU) , September 23, 2019.
- As a member of Finance Committee in International Conference on Operator Theory and Related Areas, Department of Mathematics, Delhi University
- National Conference on Advances in Mathematics organized by NBHM at Hansraj College, University of Delhi; 2014.
- Organized the following seminars in the department:
- Seminar on Acturial Sciences
- Seminar titled “Mathematics in Indus Valley Civilization” by Prof. Dinesh Singh
- Inter College Seminar on “Management for Mathematics students” by Dr. N. K. Oberoi, 2008
- Seminar on Logic by Prof. S. C. Arora
- Inter College Seminar titled “Mathematics and Politics” by Dr. Sudeshna Basu from George Washington University, USA; 2013 on World Ozone day
- Inter College Seminar titled “Symmetry on Mathematics” by Dr. Kalyan Bidhan Sinha from Statistics and Mathematics Unit, Delhi Centre, Indian Statistical Institute, 2014.
Environment related:
Organized the following for the Environment Awareness Committee of the College:
- A talk by Magsaysay Award Winner Water Man of India, Dr. Rajendra Singh.
- A seminar on e-waste Management.
- A seminar on paper recycling.
- Panellist, Inter College discussion on “Ozone depletion & its effects on day to day life” sponsored by Millennium India Education Foundation, held at Hansraj College, Delhi University, 2013 on World Ozone day.
- Debate on “Science is for the Scientist, Lets’ not confuse” judged by Finance Officer of Delhi University and Prof. Subhadra Channa, Department of Anthropology, Delhi University.
Session Chaired at a conference: International Conference on Mathematical Analysis and its Applications (ICMAA-2019) organized by Department of Mathematics, South Asian University, New Delhi, Dec.2019
Papers presented in Conferences/ Workshops/ Symposium:
- Title: A generalization of class W of operators: (International) MSAST, with workshop on Mathematical and Statistical Applications in Life Sciences and Engineering, Dec.21-23, 2018
- Title: On Left Weighted Spectrum: International Conference on Operator Theory and Related Areas (ICOTRA)(2008)
- Title: Riemann Integration : Refresher Course in Mathematics (Maths-14), (1998)
Resource Person/Invited Resource Person/InvitedTalks at Conference/ Workshops/ Seminars:
- Metric Spaces: (National) Virtual Workshop on Collating Mathematics Resources for Teachers in Higher Education, October 7, 2020
- Left Weighted Weyl Spectrum and Left Weighted Weyl Theorem: International Conference on Mathematical Analysis and its Applications (ICMAA-2019),Department of Mathematics, South Asian University, New Delhi, ( December 14,2019)
- Weighted Essential Spectrum and a class of operators: National Conference on Advances in Mathematical Analysis and its Applications (NCAMAA-2019), Department of Mathematics, PGDAV College, University of Delhi, New Delhi ( November 9, 2020)
- A Generalization of Left Essential Spectrum: 21st Annual Conference of Vijnana Parishad of India Modelling, Optimization and Computing for Technological and Sustainable Development (MOCTSD-2019), Department of Mathematics, SRM institute of Science and Technology, Ghaziabad (U.P.) ( April, 2019)
- Class Wα of Operators: National Seminar on Mathematical Modelling, Optimization and Scientific Comp, Department of Mathematics, Hindu Girls College, Sonepat in collaboration with Global Society of Mathematical and Allied Sciences ( Feb. 23, 2019)
- Left Spectrum of weight- α: National Workshop on Modelling, Optimization and Data Analytics, IIT Roorkee, Roorkee ( Oct.15, 2018)
- Compactness and Connectedness: DU Pre- Entrance Summer School-2018, University of Delhi,Delhi(June 7, 2018)
- Completeness, Total boundedness and Separability: DU Pre- Entrance Summer School-2018, University of Delhi,Delhi(June 6, 2018)
- Metric Spaces: DU Pre- Entrance Summer School-2018, University of Delhi,Delhi(June 5, 2018)
- More about Weighted Weyl Spectrum: Fourth International Conference of Applied Mathematics and Computers (FICAMC), Plodiv, Bulgaria (2007)
Conferences Attended:
- International Conference on Mathematical Analysis and its Applications (ICMAA- 2019), Department of Mathematics, South Asian University, New Delhi, Sponsoring Agency: SAU, CSIR, SERB , Dec. 2019
- National Conference on Advances in Mathematical Analysis and its Applications (NCAMAA-2019), Department of Mathematics, PGDAV College, University of Delhi, New Delhi, Sponsoring Agency: SERB-DST, Nov. 2019
- 12th International Conference MSAST, Dec.21-23, 2018, with workshop on Mathematical and Statistical Applications in Life Sciences and Engineering; jointly organised by IMBIC and MAKUT, Kolkata, West Bengal
- National Workshop on Modelling, Optimization and Data Analytics, (14-15 October 2018), IIT Roorkee, Roorkee.
- Annual Conference of Indian Women and Mathematics, IISc., Bengaluru, 2017
- 14th Discussion Meeting on Harmonic Analysis, Department of mathematics, University of Delhi, 2015.
- National Conference on Advances in Mathematics sponsored by NBHM at Hansraj College, University of Delhi; 2014.
- National Symposium on Functional Analysis, Optimization and Their Applications (FAOTA’s), Delhi, India
- International Conference on Operator Theory and Related Areas (ICOTRA), Delhi, India, 2008
- Fourth International Conference of Applied Mathematics and Computers, Plodiv, Bulgaria, 2007
- National Symposium on Recent Advances in Optimization Theory and Application (RAOTA-2006), Delhi, India
Workshops Attended:
- Virtual Workshop on Collating Mathematics Resources for Teachers in Higher Education, National Institute of Educational Planning and Administration (NIEPA). October 6-7, 2020.
- Five days’ National Webinar : Financial Mathematics: Pedagogy and Career Perspectives, Department of Mathematics, Lady Shri Ram College For Women, July 27-31, 2020.
- Two weeks Faculty Development Program (Online): Biomathematics, Department of Mathematics, PGDAV College with Mahatma Hansraj Faculty Development Centre under PMMMNMT;Oct.15- 28, 2020.
- One week Faculty Development Program: Open Source Tools for Research; Teaching Learning Centre, Ramanujan College (under PMMMNMTT) (Online); June8-June 14, 2020.
- Two weeks Faculty Development Program: Managing Online classes & Co-creating MOOCS:2.0, Teaching Learning Centre, Ramanujan College (under PMMMNMTT) (Online); May 18- June 3, 2020.
- One week Faculty Development Program: E-Learning, MOOCS and ICT Tools for Blended Learning, GAD Teaching Learning Centre, S.G.T.B. Khalsa College, Univ. of Delhi, Delhi; July02-July07, 2018.
- International Workshop on Operator Spaces, Department of Mathematics, University of Delhi; 2015.
- Workshop on Role of Technical Dictionary in Higher Education organized by Commission for Scientific and Technical Terminology, 2015.
- National Workshop on e- Content Development for Enhancing Pedagogical Skills for Teachers in Higher Education: a complete e- content Productions Experiment at Christ University, Bangalore, organized by CEDBEC, Bangalore; Sept. 9- 11,2014.
- Workshop on Building Mathematical Ability, organized by CPDHE (UGC-ASC); 2013
- Workshop on Free/ open Source Software, “Maxima”, ANDC, Delhi University, 2012
- National Workshop on “Differential Equations Computing and Modelling”, Department of Mathematics, Delhi University, 2010
- Mathematica Workshop, South Campus, Delhi University, 2010
- National Workshop on Analysis, 2007
- Instructional Workshop on Fractal Geometry and Non-linear Dynamic Systems, Delhi, Delhi University, 2004
- Windows 95, MS Word and Power Point Workshop, Computer Centre, Delhi University, 2001
- Internet Concepts and Applications, Computer Centre, Delhi University, 1999
- Three Weeks Professional Development Programme in Analysis (Code: Math-14), CPDHE, Delhi University, 1998
- Three Weeks Professional Development Programme in Discrete Mathematics (Code: Math-4), CPDHE, Delhi University, 1993
- Three Weeks Professional Development Programme on Numerical analysis & Computer Programming and Differential Equations (Code: Math-2), CPDHE, Delhi University, 1992
Awards Received:
- Excellence in Teaching Award by Hansraj College on successful completion of 30 years of service in 2018
- Appreciation Award by DAV College Managing Committee for the contribution towards first cycle of NAAC for the College in 2017 as Steering Committee Convenor (College scored 3.62 with A+)
- Appreciation Award by Hansraj College for the contribution towards first cycle of NAAC for the College in 2017 as Steering Committee Convenor (College scored 3.62 with A+)
- NET, JRF (1987)
Contribution to Curriculum Development:
- Course Convenor: Online Certificate course (SLC Course 01)- Duration:30 Hours: Introduction to Computer Algebra System (CAS): Maxima (An Open Source Software), June 28- July 18, 2020); Student Learning Centre: Hansraj College.
- Worked with Department of Mathematics, Delhi University as member for UG Syllabus Revision Committee under CBCS -2018
- Worked as Committee Member for the following papers of B.Sc.(H) Maths (LOCF) in Delhi University (2018-19):
- BMATH203: Real Analysis (B.Sc.(H) Mathematics (Sem II))
- BMATH307: Multivariate Calculus (with practicals) ( B.Sc.(H) Mathematics, Sem III)
- BMATH511: Metric Spaces (B.Sc.(H) Mathematics, Sem V)
- BMATH613: Complex Analysis (B.Sc.(H) Mathematics, Sem VI)
- DSE-2(ii): Discrete mathematics (B.Sc.(H) Mathematics, Sem V)
- DSE-3(iii): Biomathematics (B.Sc.(H) Mathematics, Sem VI)
4 Worked as Core Committee Member-syllabus formulation for the paper ‘Discrete Mathematics’ of B.Sc.(H) Mathematics ( FYUP) in 2013-14
Selection Committee Membership:
- Member, Selection Committee for DAV Colleges(outside Delhi)
- Member, Selection Committee for DAV Schools for PGT and TGT appointments (Delhi).
Association with Professional Bodies
- Life Member: Indian Mathematical Society, Hyderabad
- Life Member: Ramanujan Mathematical Society, Chennai
- Life Member: Mathematics Teachers Association, TIFR, Mumbai
- Life Member: Vijnana Parishad of India
- Board Member for International Journal of Multidisciplinary Research and Modern Education, published by R&D Modern Research Publication, Perambalur, Tamilnadu, India: ISSN (online) 2454-6119
- Honorary Member: Academic Council, Swami Vivekananda Subharti University (SVSU), Meerut.
