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Dr. (M/S) Namita Das

Namita Das Name : Namita Das
Designation : Professor & HEAD
Qualification : M.Sc. , M.Phil., Ph.D.
Phone No. : +91-9437697418
E-mail ID : namitadasmath(at)gmail(dot)com, namitadas440(at)yahoo(dot)co(dot)in

  • Functional Analysis
  • Operator Theory

  • Functional Analysis
  • Topology
  • Numerical Analysis
  • M. Phil. : 39
  • Ph.D
    • Awarded: 03
    • Submitted: 01
15 Mohapatra, C.K., Das, N. , Composition operators on weighted Hardy space, Indian J. of Maths. 48(1) (2006), 63-82Peer Reviewed .
66 Das, N.,On a class of weighted composition operators on Fock space, Bul. Acad. Stiinte Repub. Mold. Mat., 2(75) (2014),3-8., 0.24 Peer Reviewed
23 Das, N.,Some ergodicity properties of the Berezin transform Journal of the Orissa Mathematical society 21-22(2002-2003), 121-141Peer Reviewed
63 Das, N.,Toeplitz operators with bounded harmonic symbolsAnn. Acad. Rom. Sci.,Ser. Math. Appl.6(1), (2014), 108-113.0.200 Peer Reviewed .
10 Das, N., Little Hankel operators between Bergman spaces of the right half plane, New Zeland Journal of Mathematics, 38(2008), 99-119, Peer Reviewed.
64 Das, N. and Sahoo, M.,Certain distance estimates for operators on the Bergman spaceBanach J. Math. Anal.8(2)(2014), 193-203.1.050 Peer Reviewed.
65 Das, N. and Sahoo, M.,Schatten class Toeplitz operators on the Bergman space over bounded symmetric domainMethods of Functional Analysis and Topology20(3)(2014), 193-212. Peer Reviewed.
1 N. DAS and J. R. Partington, Little Hankel operators on the half plane, Integral equations and operator theory, 20(1994), 306-324, 0.699.
2 N. DAS, The kernel of a Hankel operator on the Bergman space , Bulletin of the London Mathematical Society, 31(1999), 75-80, 0.764.
3 N. DAS, Norm of Toeplitz operators on the Bergman space, Indian Journal of pure and applied Mathematics, INSA, New Delhi, 33(2) (2002),255-267, 0.224.
4 N. DAS, Fredholm Toeplitz operators on the Bergman space , Recent trends in Mathematical sciences, Narosa, 1(2000), 94-106, Peer Reviewed.
5 N. DAS, Operator valued Toeplitz operators on the Hardy space , Indian Journal of pure and applied Mathematics, INSA, New Delhi, 33(2) (2002), 193-202., 0.224
6 N. DAS, Finite rank Toeplitz operators on the Bergman space, Bulletin of the Calcutta Mathematical Society, 94(2) (2002), 113-120, Peer Reviewed
7 N. DAS, Finite rank little Hankel operators on Bergman-type spaces, Vietnam journal of Maths (a Springer-Verlag publication), 32(4) (2004), 361-369, Peer Reviewed.
8 Das, N., Lal, R. P. and Mohapatra, C.K., On a class of composition operators on Bergman space, International journal of Mathematics and Mathematical sciences, Article ID 39819 2007 Doi:10, 1155/2007/39819, Peer Reviewed.
9 Das, N. and Sahoo, S., A Hardy-Hilbert type inequality, International Mathematical Forum, 28(3) (2008), 1363-1374, Peer Reviewed.
11 Das, N. Sahoo, S., A generalization of multiple Hardy Hilbertā??s integral inequality, Journal of Mathematical inequalities, 3(1) (2009), 139-154, 0.705.
12 Das, N. Sahoo, S., New inequalities similar to Hardy-Hilbertā??s inequality, Turkish journal of Mathematics, 34(2010), 153-165, 0.457
13 Das, N., Complemented subspaces in Lā??(D), Vietnam Journal of Mathematics, 36(4) (2008), 373-386, Peer Reviewed
14 Das, N. and Jena, P.K., Asymptotic properties of composition operators on the Bergman space, New Zeland Journal of Mathematics, 39(2009),213-237, Peer Reviewed
16 Das, N. and Sahoo, S., New inequalities of Hardy-Hilbert type, Buletinul Academiei De stinte, A republicii Moldova Mathematica63(2) (2010), 1-12. 0.24.
17 Das, N, and Sahoo, M., On asymptotic properties of Toeplitz operators, Vietnam J. of Mathematics38(4) (2010),381-393.Peer Reviewed.
18 Das, N. and Sahoo, S., On a generalization of Hardy-Hilbertā??s integral inequality, Buletinul Academiei De stinte, A research Moldova Mathematica 60(2) (2009), 91-1100.24.
19 Das, N., Schatten class Toeplitz operators on the Bergman space, Hindwai publishing corp., International Journal of Mathematics and Mathematical sciencesArticle ID 921324 2009 Doi:101155/2009/921324Peer Reviewed.
20 Das, N. and Jena, P.K., Hankel operators with vector valued symbols on the Hardy space, Vietnam J. of Mathematics38(1) (2010), 45-54.Peer Reviewed.
21 Das, N., On Toeplitz-like operators in Lh2Journal of the Indian Math. Soc 71( 1-4) (2004), 245-252Peer Reviewed.
22 Das, N.Little Hankel operators and inner functionsJournal of international academy of physical sciences11(2007), 31-39.Peer Reviewed.
24 Das, N.,Berezin symbols and bounded linear operators on the Bergman space Proc. of the International conference on Analysis and discrete structures,Mathematical analysis and applications, Narosa publishing house, New Delhi(2004), 69-78Peer Reviewed
25 Mohapatra, C.K.,Das, N.,Composition operators on weighted Bergman spacesJournal of the Orissa Mathematical society11&12 (1991-92),81-93Peer Reviewed
26 Das, N.,Pradhan, S.K.,A generalized quadrature rule and its applications to special meansJournal of Science and technology S.U.Vol: xiv & xv(B) (2003), 51-58 Peer Reviewed
27 Mohapatra, C.K., Das, N.Composition operators on Bloch space Journal of the Orissa Mathematical society17-20(1998-2001), 49-55Peer Reviewed
28 Das, N.,Pradhan, S.K.,Some quadrature rules for numerical integration of analytic functions Proc. of the International conference on Analysis and discrete structures, Mathematical analysis and applications, Narosa publishing house, New Delhi, 79-89. 2004Peer Reviewed
29 Das, N.,Inner functions and Toeplitz operators Journal of Science and technology S.U.Vol: xiv & xv(B) (2003), 43-50.Peer Reviewed
30 Das, N., Pradhan, S.K.,A quadrature rule of higher precisionJournal of the Orissa Mathematical society21-22(2002-2003), 25-29Peer Reviewed
31 Das, N.,Certain uncomplemented subspaces in Lā??(D)Journal of Science and technology, S.U.xvi(B) (2004), 40-45.Peer Reviewed
32 Das, N.,Mohapatra, C.K.,On some properties of Composition operatorsjournal of the Orissa Mathematical society23-24(2004-2005), 122- 131.Peer Reviewed
33 Das, N.,Big Hankel operators on Bergman-type spaces,journal of the Orissa Mathematical society23-24 2004-2005, 146-151Peer Reviewed
34 Das, N., Lal, R.P.,On the range of the Berezin transformJournal of international academy of physical sciences10(2006), 9-15Peer Reviewed
35 Lal, R., Mohapatra, C. K. Das, N.,A class of unitary operators on Siegal- Bargmann space journal of the Orissa Mathematical society 23-24 2004-2005, 304-315. Peer Reviewed
36 Das, N.,Mohapatra, C.K.,A note on Composition operators on Bergman spaces Journal of the Orissa Mathematical society17-20 (1998-2001), 143-148.Peer Reviewed
37 Das, N. Sahoo, S.,Weighted Hardy-Hilbertā??s inequality Bulletin of the Marathwada Mathematical society9(1) 2008, 18-30Peer Reviewed
38 Das, N.,Pradhan, S.K.,A generalized quadrature rule for functions of bounded variation and applications Journal of the Orissa Mathematical society25(1 /2) 2006, 75-82.Peer Reviewed
39 Das, N. and Pradhan, S.K.,A mixed quadrature formula using rules of lower order Bulletin of the Marathwada Mathematical society5(1) (2004), 26-34.Peer Reviewed
40 Das, N.,Mohapatra, C.K.,Composition operators, contractions and norm estimatesJournal of the Orissa Mathematical society 21-22(2002-2003), 159-169Peer Reviewed
41 Das, N.,Invertibility of Toeplitz operators on the Bergman space Journal of the Orissa Mathematical societyvol. 26, No. 1 & 2 (2007), 1- 8 Peer Reviewed
42 Das, N.,Hankel-like operators in Lh2 Journal of international academy of physical sciences vol.12(2008), 1-11Peer Reviewed
43 Das, N.,Mohapatra, C.K.,Linear system and Hankel norm approximation Journal of the Orissa Mathematical society21-22(2002-2003), 213- 225 Peer Reviewed
44 Das, N. Sahoo, S.,A generalization of Hardy-Hilbertā??s inequality and its application Bulletin of the Marathwada Mathematical society9(2) (2008), 41-54.Peer Reviewed
45 Mohapatra, C.K., Das, N.Composition operators on the Bergman space over the upper half plane Journal of of international academy of physical sciencesvol. 12(2008), 13-23 Peer Reviewed
46 Das, N. and Jena, P.K.,Hankel operators on the Bergman space for the disk Journal of Orissa Mathematical societyvol. 29, No.1 & 2(2010), 17-25 Peer Reviewed.
47 Das, N.Asymptotic Toeplitz and Hankel operators on the Bergman space Indian Journal of pure and applied Mathematics41(2) (2010), 379-4000.224.
48 Das, N.,The Berezin transform of bounded linear operators Journal of Indian Mathematical societyvol.76, Nos. 1-4(2009), 47-60.Peer Reviewed.
49 Das, N. and Jena, P. K.,Schatten class operators on weighted Bergman spacesThai Journal of Mathematics 10(2) (2012), 289-3030.184
50 Das, N. and Sahoo, M., Positive operators on the Bergman space and Berezin transform Methods of Functional Analysis and Topology17(3) (2011), 204-210. Peer Reviewed
51 Das, N., Pradhan, S.K.,A quadrature rule for numerical integration of functions of more than one real variableJournal of Science and technology, S.U.,Xvi(B)(2004), 70-84Peer Reviewed.
52 Das, N.,Berezin transform on the L2 spaces with respect to the invariant measure Communications in Mathematical Analysis12(1) (2012), 134-1440.34 Peer Reviewed .
53 Das, N.Fredholm Toeplitz operators on the Bergman space over bounded symmetric domainsBull. Calcutta Math. Soc102(1) (2010), 89-98.Peer Reviewed.
54 Das, N. Sahoo, S.,Hilbert inequality for vector-valued functions Archivum Mathematicum (BRNO) Tomus47(2011),229-243 0.376
55 Das, N.,Intertwining properties of bounded linear operators on the Bergman space Methods of Functional Analysis and Topology 18(3) ( 2012), 230-242Peer Reviewed
56 Das, N. and Sahoo, S.,A Generalization of Hardy-Hilbertā??s Inequality for Non-homogeneous Kernel Bul. Acad. Stiinte Repub. Mold. Mat. 3(2011), 29-44.0.24
57 Das, N. and Sahoo, S.,A Generalization of Hardy-Hilbertā??s Inequality with multi-parameterVietnam journal of Maths40(1) (2012), 31-45.Peer Reviewed.
58 Das, N.,Finite rank intermediate Hankel operators on Bergman spaceSurveys in mathematics and its Applications6(2011),195-202Peer Reviewed.
59 Das, N. and Jena, P.K.,On the range and kernel of Toeplitz and little Hankel operatorsMethods of Functional Analysis and Topology 19(1)(2013), 55-67 Peer Reviewed.
60 Das, N. and Lal, R.P.,Algebraic and ergodicity properties of the Berezin transformCommunications in Mathematical Analysis14(1) (2013), 85-103. 0.34 Peer Reviewed.
61 Das, N. and Sahoo, M.,Positive Toeplitz operators on the Bergman spaceAnn. Funct. Anal 4(2) (2013), 171-1820.603 Peer Reviewed.
62 Das, N., Invariant subspaces and kernel of Toeplitz operators on the Bergman spaceRocky mountain journal of mathematics44(1) (2014), 35-56.0.491 Peer Reviewed.
67 Das, N. and Lal, R.P.,Numerical solutions of a class of integral equations and the associated partial differential equations, Vietnam Journal of Mathematics, Springer, DOI 10.1007/s 10013-015-015-0153-z., Peer Reviewed
68 Das, N. and Lal, R.P.,Reproducing kernel Hilbert spaces and the associated integral equations, Azerbaijan journal of Mathematics, accepted, 2014, Peer Reviewed
69 Das, N. and Sahoo, M.,Dominations of Berezin transform, Vietnam J. of Mathematics, Springer, DOI 10.1007/s 10013-014-0104-0., Peer Reviewed
70 Das, N. and Behera, J.K.,Little Hankel operators and associated integral inequalities, Communications in Mathematical Analysis, 18(1)(2015),1-35., 0.34 Peer Reviewed
71 Das, N. and Jena, P.K.,Little Hankel operators on the Bergman space, Arab journal of Mathematical sciences, 2015., Peer Reviewed
72 Das, N. and Lal, R.P.,Hyperbolic harmonic functions and the associated integral equations, Analele Universitatii de vest, Timisoara Seria Matematica, 52(2)(2015),1-24 (to appear), Peer Reviewed
73 Das, N.The space lā??(X), Ann. Acad. Rom. Sci., Ser. Math. Appl., Accepted 2015, Peer Reviewed

1 Text Books: Complex Function Theory, Allied Publishers, Mumbai, 2010(ISSN No. 978-81-8424-580-6
2 NAMITA DAS, COMPLEX FUNCTION THEORY, NEW DELHI, ALLIED PUBLISHERS, 2010

Lecturer 16.8.1987-26.9.1987 F.M. college, Balasore (govt college) after the selection in OPSC
Lecturer 28.9.1987-12.9.93 Sambalpur University
Senior Lecturer 13.9.1993-30.12.1999 Sambalpur University
Reader in CAS 31.12.1999-5.7.2001 Sambalpur University
Reader in open post 6.7.2001-16.8.2004 Sambalpur University
Reader in open post 17.8. 2004-30.12.2007 Utkal University
Professor(CAS) 31.12 2007-20.11.2015 Utkal University
Professor in open post 20.11.2015- till date continuing Utkal University
  • Important Activities
    • HOD, P.G. Department of Mathematics, Utkal University(1st June 2012 to 31st May 2014)
    • Course Coordinator, M. Tech(Computer Science) from 15th October 2014 to till date
    • continuing
    • Deputy Coordinator DRS(SAP) from 2010-2012, 2013 to till date continuing.
    • Chairman SRC, Dept of Mathematics from June 2012 to February 2014
    • Associate Course Coordinator(M.Tech.(Comp. Sc.))- 01.08. 2006 to 31.05. 2012
  • Conference/FDP/workshop organized, as Convener/Co-convener/Treasurer/Coordinator
    • Coordinatorof the Refresher course in Mathematics and Statistics sponsored byUGC, New Delhi and Academic staff college, U.U., Vanivihar from03.03.2011 to 23.03.2011 at P.G. Department of Mathematics, UtkalUniversity
    • Coordinator of the 2nd refresher course in Mathematics sponsored by UGC, New Delhi and Sambalpur University from 2.2.96 to 28.2.96 at P.G. Department of Mathematics, Sambalpur University.
  • Extension Activities, Published the following books (for School Children)
    • A Prelude to Math.Olympiad, Sathi Prakashan, Cuttack,Orissa,753001, 1997, C.K. Mohapatra, S.Sahoo
    • A Mathematical Challenge-First round (Class VI,VII,VIII)Amiya Multiprint System,Palaceline,Bolangir, 1999, Edited by C.K. Mohapatra
    • Ganita Olympiad -Eka Parikrama (Second Round)Sathi Prakashan,Cuttack,Orissa,753001, 2000, C.K. Mohapatra, S.Sahoo
    • Junior Ganita Olympiad-First round, Sathi Prakashan,Cuttack,Orissa,753001, 2001, C.K. Mohapatra
    • Ganita Epakha-Sepakha(in Oriya), Sacred Press Service,Bhubaneswar-751015, 2002, C.K.Mohapatra
    • Ganita SaptahikiSacred Press Service,2003, C.K.Mohapatra(in Oriya), N-3/355,Nayapalli, Bhubaneswar-751015,
    • Mathematics OlympiadSatananda Trust2003, C.K. MohapatraProblem bookFor Maths.Research and education, (in English), STQ-6,Jyoti Vihar,sambalpur,
    • Maths. Calendar-forThe Book Point,2007, C.K. Mohapatra,R.Lal,class-IV and V (in English), Pathani Planetarium,BBSR, K.C.Satpathy
    • Maths. Calendar-forThe Book Point,2007, C.K. Mohapatra,R.Lal,class-VI and VII (in English), Pathani Planetarium ,BBSR, K.C.Satpathy
    • Tinoti Ganita PaddhatiSatananda Trust2005, C.K. Mohapatra,R.Lal,(in Oriya ), For Maths Research and education, K.C.Satpathy STQ-6,Jyoti Vihar,sambalpur
    • Dinaku Khandie AnkaThe Book Point2008, C.K. Mohapatra,R.Lal,for class-VI-VII (in Oriya), Pathani Planetarium ,BBSR, K.C.Satpathy
    • Dinaku Khandie AnkaThe Book Point20008, C.K. Mohapatra,R.Lal,for class-IV and V (in Oriya), Pathani Planetarium,BBSR, K.C.Satpathy
    • Abasara VinodiniThe Book Point2006, C.K. Mohapatra,R.Lal,(in Oriya), Pathani Planetarium ,BBSR, K.C.Satpathy