M.Sc(N.E.H.U), Ph.D(Warsaw University,Poland)
(i) D.Bhattacharjee, “On Some Characterizations of Arithmetical Functions”, International Congress of Mathematicians,Seoul,2014,Abstracts ( Short Communications and Poster Sessions)(P03-05),78-79.
(ii) D.Bhattacharjee, P.K.Saikia 2012, “On Some New Class of Arithmetic Convolutions Involving Arbitrary Sets of Integers”,Romanian Journal of Mathematics and Computer Science,Vol.2(No.2),23-35.
(iii) D.Bhattacharjee 2009, “On Some New Arithmetic Convolutions in the Theory of Arithmetical Functions”,Proceedings of the 5th Asian Mathematical Conference,Malaysia 2009, 380-387.
(iv) D.Bhattacharjee ,Bhanu Prasad 2008, “On Some New Arithmetical Convolutions-1”, Proceedings of the 2008 International Conference on Theoretical and Mathematical Foundations of Computer Science(TMFCS-08),July 7-10 ,2008 , Orlando FL,USA, 88-94.
(v) D.Bhattacharjee 2007, “On Some New Arithmetical Convolutions”, Proceedings of the 2007 International Conference on High Performance Computing Networking and Communication Systems( HPCNCS-07) July9-12 2007, Orlando,FL,USA,26-30.
(vi) D. Bhattacharjee 2007. “On some new rings of Arithmetical Functions”. Bulletin of the Calcutta Mathematical Society. Vol.99(No. 2),189-196.
(vii) D. Bhattacharjee 2005. “Multiplicative KB-product and its properties”. Bulletin of the Calcutta Mathematical Society. Vol.97 (No. 2),153-162.
(viii) D. Bhattacharjee 2002. “A Generalized B-product and its properties”. Bulletin of the Allahabad Mathematical Society. Vol.17, 17-21.
(ix) D. Bhattacharjee 1999. On some rings of Arithmetical Functions. Georgian Mathematical Journal. Vol.6 (No. 4),299-306.
(x) D. Bhattacharjee 1998. Multiplicative B-product and its properties. Georgian Mathematical Journal. Vol.5 (No. 4),315-320.
(xi) D. Bhattacharjee 1997. B-product and its properties. Bulletin of Pure and Applied Sciences. Vol.16E (No. 1), p.77-83.