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Dimri, Ramesh Chandra,Prasad, Gopi Korean Mathematical Society 2017 대한수학회논문집 Vol.32 No.2
In this paper, we prove some coincidence point theorems involving ${\varphi}-contraction$ in ordered partial metric spaces. We also extend newly introduced notion of g-comparability of a pair of maps for linear contraction in ordered metric spaces to non-linear contraction in ordered partial metric spaces. Thus, our results extend, modify and generalize some recent well known coincidence point theorems of ordered metric spaces.
Dimri, Ramesh Chandra,Singh, Amit Korean Mathematical Society 2012 대한수학회논문집 Vol.27 No.4
In this paper, we prove some fixed point theorems for some weaker forms of compatibility satisfying a contractive condition of integral type on d-complete Hausdorff topological spaces. Our results extend and generalize some well known previous results.
The Inverse Laplace Transform of a Wide Class of Special Functions
Soni, Ramesh Chandra,Singh, Deepika Department of Mathematics 2006 Kyungpook mathematical journal Vol.46 No.1
The aim of the present work is to obtain the inverse Laplace transform of the product of the factors of the type $s^{-\rho}\prod\limit_{i=1}^{\tau}(s^{li}+{\alpha}_i)^{-{\sigma}i}$, a general class of polynomials an the multivariable H-function. The polynomials and the functions involved in our main formula as well as their arguments are quite general in nature. On account of the general nature of our main findings, the inverse Laplace transform of the product of a large variety of polynomials and numerous simple special functions involving one or more variables can be obtained as simple special cases of our main result. We give here exact references to the results of seven research papers that follow as simple special cases of our main result.
Soni, Ramesh Chandra,Wiseman, Monica Department of Mathematics 2010 Kyungpook mathematical journal Vol.50 No.2
In the present paper, we obtain a new formula for the generalized Weyl differintegral operator in a compact form avoiding the occurrence of infinite series and thus making it useful in applications. Our findings provide interesting generalizations and unifications of the results given by several authors and lying scattered in the literature.
The Inverse Laplace Transform of a Wide Class of Special Functions
SONI, RAMESH CHANDRA,SINGH, DEEPIKA 대한수학회 2006 Kyungpook mathematical journal Vol.46 No.1
The aim of the present work is to obtain the inverse Laplace transform of the product of the factors of the type ◁수식 삽입▷(원문을 참조하세요), a general class of polynomials and the multivariable H-function. The polynomials and the functions involved in our main formula as well as their arguments are quite general in nature. On account of the general nature of our main findings, the inverse Laplace transform of the product of a large variety of polynomials and numerous simple special functions involving one or more variables can be obtained as simple special cases of our main result. We give here exact references to the results of seven research papers that follow as simple special cases of our main result.
Ramesh, S.,Dhanalakshmi, B.,Sekhar, B. Chandra,Rao, P. S. V. Subba,Rao, B. Parvatheeswara,Kim, CheolGi American Scientific Publishers 2016 Journal of Nanoscience and Nanotechnology Vol.16 No.10
<P>Cobalt substituted Ni-Zn ferrite nanoparticles with the formula, Ni0.4Zn0.6-xCoxFe2O4, where x varies from 0.00 to 0.25 in steps of 0.05, were prepared by sol-gel autocombustion method and analyzed for their structural and magnetic properties. The synthesized nanoparticles were subjected to X-ray analysis, transmission electron microscopy, Fourier transform infrared spectroscopy, thermal analysis and magnetic measurements. The X-ray patterns confirm cubic spinel structures with the crystallite sizes in the range from 31.72 nm to 36.87 nm. The particle sizes estimated using electron micrographs are in good agreement with the crystallite sizes obtained from the X-ray data. Infrared data confirms the spinel structure by showing Fe-A-O and Fe-B-O stretching vibrations while the thermal data hints at a slight weight gain due to oxidation. The obtained magnetic data suggests a marginal increase in saturation magnetization with the Co substitution at x = 0.10 and 0.25. The results are analyzed in terms of the compositional and structural modifications, and it was found that the variation of magnetic moment was governed by a corresponding change in the oxygen positional parameter in these materials.</P>
In vitro Propagation and Ex vitro Rooting of Tectona grandis (L.f ), APNBV-1 Clone
Ramesh, Kommalapati,Chandra, Mouli Kalla,Vijaya, Tartte Institute of Forest Science 2009 Journal of Forest Science Vol.25 No.2
An efficient in vitro plant regeneration system was developed through shoot proliferation from axillary buds of Tectona grandis (L.f), APNBV-1 (Andhra Pradesh North Badrachalam Venkatapuram-1) clone. Multiple shoots of high quality were produced in vitro from axillary bud explants. An average of 4.39 shoots/explant were obtained on Murashige and Skoog's (MS) medium supplemented with plant growth regulators (PGRs) benzyl amino purine (BA), kinetin (KN), indole acetic acid (IAA), gibberillic acid ($GA_3$), growth adjuvants casein hydrolysate (CH), adenine sulphate (Ads) and antioxidants ascorbic acid, polyvinyl pyrrollidine (PVP). Eighty five percent of rooting was observed in ex vitro rooting media containing IBA and vermiculite. In ex vitro rooting, single shoots with 2 to 3 nodes were subjected to IBA of different concentrations at different periods of time intervals. Direct rooting in vermiculite at 500 ppm concentration of IBA resulted in 4.3 number of roots with 2 cm length. Minimum response of rooting and length of roots were recorded at 100 ppm concentration of IBA. Planlets were transferred to plastic bags for short acclimatization stage in green house where they survived at 95%.