Photograph Name Prof. SANJAY KUMAR
Email Id skpant@ddu.du.ac.in Date Of Join 01/12/1997
Designation Professor Mobile No 9873127573
Address Flat No. 423, Gangotri Apartments Sector 12, Pocket 1, Dwarka New Delhi-110078 Office: Room No. 416 Department of Mathematics
Web Page https://sites.google.com/view/sanjaykumarpant-complexanalysi/home
Educational Qualifications
Degree Institution Year
Ph.D. BHU 1994
M.Sc. A P S University , Rewa 1986
B.Sc. Bhopal University, Bhopal 1983
Career Profile

 

1996-1997: Temporary Lecturer, Department of mathematics, Deen Dayal Upadhyaya College(DU) 

1997-2005: Lecturer,  Department of Mathematics, Deen Dayal Upadhyaya College (DU) 

2005- 2008. : Reader,  Department of Mathematics, Deen Dayal Upadhyaya College (DU) 

2008- 2018: Associate Professor,  Department of Mathematics, Deen Dayal Upadhyaya College (DU) 

2018-contd.: Professor, Department of Mathematics, Deen Dayal Upadhyaya College (DU) 

 

Administrative Assignments

* Warden Boys' Hostel : August 2017 - April 2018

* Secretary: Staff Council

* Convener: Library committee, Eco Club

* Member : Discipline committee, Sports committee

Areas of Interest / Specialization

* Complex Analysis of one and Several Complex Variables

* Complex Dynamics and Complex Henon Maps

* Complex Differential Equations on complex plane (currently inerested in the study of differential equations on  Riemann surfaces)

Subjects Taught

Under-graduate Courses:

*Algebra:  Group Theory, Ring Theory

* Analysis : Real Analysis , Complex Analysis

* Calculus : Multi-variables calculus

* Differential Equations: Ordinary and Partial Differential Equations

* Special Paper: Number Theory

Post-graduate Courses:

* Analysis: Complex Analysis, Analysis on Euclidean Spaces

*Geometry: Differential Geometry, Differentiable Manifolds

* Topology: Algebraic Topology

MPhil/PhD Course (Since 2019--)

[ MATHR-10 (2019)& MATHR-11 (2020)]

*Introduction  to Sevaral Complex Variables

[ MATH-R11 (2021-22)

* Introduction to Minimal Surfaces

2021-2022 (Undergraduate Courses)

Semester III

* Generic Elective-3 : Differential Equations (with Practicals) 

Semester - I 

*Generic Elective (GE1) Calculus

Semester-VI

* Ring Theory and Linear Algebra-II

Semester - II

* Real Analysis

 

Research Guidance

M.Phil:

1.Dinesh Kumar (2011),Thesis titled “Fatou's No Wandering Domain Conjecture: Sullivan's  Proof” [arXiv:1101.5456]

2.Kushal Lalwani (2014) “Triangulation and  Classification of 2-Manifolds”  [ arXiv:1407.8478]

3.Naveen Gupta  (2014) “ Injectivity in Higher Order Complex Domains”

4. Manisha Saini (2015)  “Nevanlinna Theory and Normal families”

5. Mohd Vaseem (2021) " Dynamics of Rational Functions in the Extended Plane "

6. Akhil Kumar (2021)  " Squeezing Functions on Planar Domains" 

7. Simran Bedi (2022-) shifted to PhD programme

8. Hari Om (2022-) Shifted to PhD programme

 

Ph.D:

1.Dinesh Kumar (2016) “Semigroups of Transcendental Entire functions and their Dynamical Properties[Working as Assistant Professor in BIT Mesra, Ranchi ]

2.Gopal Datt(2017) “ Normal Families in One and Several Complex Variables: Looking through Zalcman’s Lemma [Working as Assistant Professor in the Department of Mathematics, Babasaheb Bhimrao Ambedkar  University , Lucknow (A central University)

3. Poonam Rani (2021) " Normality for Famillies of Meromorphic Functions 

4. Kushal Lalwani (2021) " Topological Dynamics for Generalized Semigroup: Attractor, Recurrence and Escaping set "

5. Manisha Saini (2022) " The Growth of Solutions of Complex Differential Equations with Entire Coefficients " (working as Assistant Professor in Hansraj College (DU))

6. Ramanpreet Kaur (2017 - )[NBHM Research Fellow]

7. Sakshi Jain (2017-2019) (she got research fellowship for PhD in University of Rome, Italy)

8. Naveen Gupta (2019 - )

9. Garima Pant (2019 - ) 

10. Nidhi Gahlian (2020 - ) [Inspire Research Fellow]

11. Mohd Vaseem (2022-)

12. Akhil Kumar (2022-)

13. Rehan Ansari (2022-2023) Change of research supervisor

14. Hariom(2023-)

15.Simran Bedi(2023-)

16. Ashish Trivedi(2024-)(with Dr Gopal Datt (BBAU,Lucknow)

17. Rahul Gogoi(2024- )(with Dr Gopal Datt(BBAU,Lucknow)

 

Publications Profile

1995

1. Non-compactness of derivations on B (l^2), (with Nand Lal), J.Indian Math.Soc.(N.S.), Vol.61, No. 3-4, 255-259, 1995.(SCOPUS,UGC CARE LIST)

 

2005

2. Polynomial compactness of derivations, (with Nand Lal), J.Indian Math.Soc.(N.S.), Vol.72, No. 1-4, 211-220, 2005.(SCOPU, UGC CARE LIST)

 

3. A class of polynomially compact composition operators on disc algebra, (with Harish Chandra), Progr.  Math. (Varanasi), vol. 39, No. 1&2, 9-17, 2005.(Peer reviewed)

 

2006

4. Compactness of generalized derivations, Proceedings of the national conferenceon mathematical techniques(MATIET 2006) , Allied Publishers, 30-33, 2006.

 

5. Polynomial derivations, (with Harish Chandra), Progr. Math.(Varanasi),vol. 40,No.1-2,109-118,2006.(Peer rviewed)

 

2012

6.  Common fixed points of weekly compatible maps in symmetric spaces, (with Arvind Bhatt and Harish Chandra), Appl.Math.Sci. (Ruse) Vol.6 , No.53-56, pp. 2703-2710, 2012 (SCOPUS)

 

2014

7. On dynamics of composite entire functions and singularities, (with D. Kumar), Bull. Cal. Math. Soc. Vol. 106, No. 1, pp. 65-72, 2014. (UGC CARE LIST)

 

2015

8.Dynamics of composite entire functions,(with D. Kumar and G. Datt),  J. Indian Math. Soc. (N.S.), Vol. 82, No. 3-4, 107-114, 2015.

 

9. The dynamics of semigroups of transcendental entire functions I, (with D. Kumar), Indian J. Pure Appl. Math. Vol. 46, Issue 1, pp. 11-24, 2015.

 

10. Normality and Sharing functions,(with G. Datt),  Indian J. Pure Appl. Math. Vol. 46 , Issue 6, pp. 853-864, 2015.

 

2016

11. The dynamics of semigroups of transcendental entire functions II, (with D. Kumar), Indian J. Pure Appl. Math. Vol. 47, Issue 3, pp. 409 - 423, 2016.

 

12. A Normality Criterion for a Family of Meromorphic Functions , (with G. Datt), Monatsh. Math. Vol. 180, Issue 2, pp. 193-204, 2016.

 

13. On a Theorem of Schwick , (with G. Datt),  Bull. Cal. Math. Soc. Vol.108, No.3, pp.225-234, 2016.

 

14. Normality and Montel’s Theorem , (with G. Datt),  Arch. Math.  Vol.107, Issue 5, 511-521, 2016 .

 

15. Some normality criteria , (with G. Datt),  Turk J Math , Vol.40, No.6, 1258-1273, 2016.

 

16. Escaping Set and Julia Set of Transcendental Semigroups , (with D. Kumar and K K Poon) , Advances in Theoretical and Applied Mathematics, Vol. 11, Number 4, 423 - 436, 2016.

 

2017

17. Escaping sets of e^z -1,  (with Dinesh Kumar) Thai J. Math., Vol.15, No.2, 517-522, 2017.

 

18. Semigroups of transcendental entire functions and their dynamics,(with D. Kumar) Proceedings-Mathematical Sciences, Vol. 127, Issue 2, 349-360, 2017.

 

2019

19. A criterion for Quasinormality in C^n, (with Gopal Datt) Proceedings-Mathematical Sciences (Springer), Vol. 129, Issue 1, 2019.

 

20.On Solutions of Second Order Complex Differential Equations, (with Dinesh Kumar and  Manisha Saini)Bull. Cal.  Math. Soc. , 111 (4), 331-340, 2019

 

2020

21.On Zeros and Growth of Solutions of Second Order Linear Differential Equations, (with Manisha Saini) Commun. Korean Math. Soc. 35 No 1, 229-241, 2020

 

22  Normality criteria for families of meromorphic functions (with Poonam RaniIndian J. Pure Appl. Math.51,Issue 2,  579-588,  2020

 

2021

23.  Order and Hyper-order of Solutions of Second Order Linear Differential Equations (with Manisha Saini) B Malays Math Sci So, Vol 44, Issue 2, 1035-1056, 2021 https://doi.org/10.1007/s40840-020-00993-s)

 

2022

24.d-balanced Squeezing Function (with Naveen Gupta) accepted for publication in Complex Variables and Elliptic Equations. 2021(https://doi.org/10.1080/17476933.2021.2007380)

 

25. Squeezing function corresponding to polydisk (with Naveen Gupta), Complex Analysis and its Synergies 8, 12 (2022). https://doi.org/10.1007/s40627-022-00100-8

 

 

 

Communicated/ preprints

 

  1. (with D. Kumar), A note on Schwarzian derivatives and Normal families [arXiv:1210.7920]
  2. (with P. Rani) Normality Criteria for Families of Meromorphic Functions about Shared Functions [ arXiv:1906.02966 ]. 
  3. (with K. Lalwani), Attractors and chain recurrence in noncompact spaces for generalized semigroup, [Communicated] 
  4. (with Garima Pant) Entire Solutions of certain Non-linear Differential-Difference Equations [arXiv:2107.13933]

!994

My Thesis : Polynomial Compactness of Operators and Induced Derivations

https://drive.google.com/file/d/1ly1xDsI-fAHm99273XXGurBiCnvoTAsO/view?usp=sharing

ORCID ID:

https://orcid.org/0000-0002-4947-2813

Conference Organization/ Presentations (in the last three years)

Conference on Functional Analysis and Linear Algebra, ISI, Delhi Centre, Stat. & Math.

Unit (January 3-7, 2000)

Instructional School on Linear Algebra, Punjab University, Chandigarh (December, 2000)

Workshop on Banach Algebras and International conference on Analysis, Sardar Patel University,

Vallabh Vidya Nagar, Gujarat (2002)

Joint India-AMS Meeting, IISc-ISI, Bangalore (December 2003)

Conference on Functional Analysis and its Applications, Sardar Patel University, Vallabh Vidya

Nagar, Gujarat (March 2005)

Quasiconformal Mappings and Their Applications (IWQCMA 05), IIT Madras, Chennai (December

27, 2005- January 1, 2006)

International Workshop on Teichmuller Theory & Moduli Problems, Harish Chandra Research

Institute (HRI), Allahabad (January 5, 2006-15, 2006)

Annual Foundation School II (ATM) NBHM, BIM and Pune University, Pune, June 1-28, 2006

(as associate teacher)

Advanced Instructional School on Differential Geometry and Lie groups (ATM) NBHM, BIM and

Pune University, Pune, December 4-28, 2006 (as associate teacher)

Workshop on the geometry and topology of low-dimensional manifolds: Poincare conjecture and

Teichmuller theory, Department of mathematics and Bhaskaracharya Pratishthan, Pune, 2nd – 16th 

January, 2008.

Compact course on dynamics in Higher Dimensions by  Nessim Sibony, Department of Mathematics, IISc, Bangalore , 21st Dec, 2008-6th January,2009.

 

 ATM School for Lecturers in Complex Analysis, 16th March 2009 - 4th April 2009, Department of Mathematics, University of Delhi. (organiser)

ATM School for Lecturers in Real Analysis, 22nd March 2009 -3rd April 2010, Department of Mathematics, University of Delhi. (organiser)

ATM Workshop on Several Complex Variables and Complex Dynamics,1st March,2010-13th March,2010, Department of Mathematics, IISc, Bangalore.

ATM School for Lecturers in Geometric Complex Analysis,21st March 2011 -2nd April 2011, Department of Mathematics, University of Delhi. (organiser)

Kyoto Symposium on Complex Analysis in Several Variables XIV, 19-22 July,2011, Kyoto University, Kyoto,Japan (participated)

Instructional school for Lecturers on Differential Geometry, 21 May-9 June, 2012, CEMS, Kumaun University, Almora(organizer)

Almora Mathematical Surveys, NCM School, 3rd October-6th October, 2012, CEMS, Kumaun University, Almora(organizer)

ICTS Discussion Meeting and Conference ( Groups, Geometry and Dynamics), 3rd December-16th December, 2012, CEMS, Kumaun University (organiser)

Geometric Aspects in Modern Dynamics, 11th January 2016 - 15th January 2016, University of Porto (Portugal) (participated)

International Workshop and Conference ( Complex Analysis: Geometric and Dynamical Aspects), 14th November -19th  November, 2016, CEMS, Kumaun University (organiser)

Research Projects (Major Grants/Research Collaboration)

1.Working on a project titled Holomorphic Dynamics on Projective Spaces ( Minor Project awarded by University Grants Commission, New Delhi, India, 2010)

2. Principal Investigator in Innovation Project for Undergraduate Students (University of Delhi) Titled ``Dynamical Study of weather of Delhi Region'', 2013-2014 [ successfully completed]

Awards and Distinctions

1986: Ist rank in university M.Sc. Examination [Awarded Gold Medal]

1989: qualified UGC-CSIR [NET] Junior Research Fellowship

1995: Research Associateship of CSIR, New Delhi

1995: National Board of Higher Mathematics [NBHM, DAE] Post-Doctoral Fellowship

Association With Professional Bodies

1. Member, American Mathematical Society (AMS) [KMSNXEA]

2. Life Member, Indian Mathematical Society (IMS)[L/2015/141]

3. Life Member, Ramanujan Mathematical Society (RMS)[463]

Reviewer MathSciNet (Mathematical Reviews) [130924]

Reviewer  Zentralblatt MATH [ 18546]

Other Activities

 Coordinator

  1. Centre of Excellence in Mathematical Sciences [CEMS], Kumaun University, SSJ Campus , Almora (Uttarakhand) [2011-2019]
  2. Uttarakhand School of Mathematics [USM], Uttarakhand Science Education & Research Centre , Dehradun (Uttarakhand) [January 2020 -June 2020]
  3. Madhava Mathematics Competition (MMC) Delhi Region & Haryana), Homi Bhabha Centre for Science Education (HBCSE), TIFR, Mumbai [1st June 2015-  ]

** Organised number of workshops in different parts of  Uttarakhand.

Assignment, Notes for Students

Homepage

https://sites.google.com/view/sanjaykumarpant-complexanalysi/home

AMSPAGE

https://mathscinet.ams.org/mathscinet/MRAuthorID/218882 

googlesite

https://sites.google.com/ddu.du.ac.in/homepagepitamberpant/home

https://sites.google.com/view/sanjaykumarpant-group-theory/home

https://classroom.google.com/u/1/c/MTIyMjQ2NzAwMTIy

https://classroom.google.com/u/1/c/MTM4MzkwNzQ0Mjc2

https://classroom.google.com/u/1/c/MTEzMzgwOTQ2NTA3

https://classroom.google.com/u/1/c/MTIyOTE1NTY5NjUx

E-Lectures (USERC , Dehradun, Uttarakhand}

1.https://www.youtube.com/watch?v=xl1v6U6UmX8

2https://www.youtube.com/watch?v=EI3yXZ4MbCY

3https://www.youtube.com/watch?v=MnBntdY1VCY

4https://www.youtube.com/watch?v=DFoRGf_PsLk

5https://www.youtube.com/watch?v=dFy7qiFfZPU

6https://www.youtube.com/watch?v=N3cgoUbKIU4

7https://www.youtube.com/watch?v=6EqACzFaqTc

 8   https://www.youtube.com/watch?v=Rfo_-kKFVvE

 9  https://www.youtube.com/watch?v=jrVF_JPx9pw

10https://www.youtube.com/watch?v=oZOIn1hj1zo

11https://www.youtube.com/watch?v=jliS3ICLnr8

12https://www.youtube.com/watch?v=9qhvf0ED9v8

13https://www.youtube.com/watch?v=2AbVBS3M1gY

14https://www.youtube.com/watch?v=bZVk33pJKnI

15https://www.youtube.com/watch?v=FYlTqrvaEoQ

16https://www.youtube.com/watch?v=tovvKYPqkXc

17https://www.youtube.com/watch?v=3JDCnCTFO9s

Googleclassroom (2021-2022)

 

  • https://classroom.google.com/c/NDUwMzU1Mzc4MjM2?cjc=wzx3wpa  ( BSc (Hon) Math Semester VI (Ring Theory II)
  • https://classroom.google.com/c/NDQxNDIzMTA0MTIy?cjc=nu3sc4n ( GE1 Calculus Honors semester I)
  • https://classroom.google.com/c/NDgzNzA1MDE0ODU0?cjc=d7ltv5h ( BSc(HHons) Math Sem II - Real Analysis)