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Search Results: 1 - 10 of 673 matches for " Sarika Tyagi "
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Adapted Encryption Algorithm with Multiple Skew Tent Map
Sarika Tyagi,Deepak chaudhary
International Journal of Computer Science and Mobile Computing , 2013,
Abstract: In recent years, the chaos based cryptographic algorithms have some optional and efficient waysto develop secure encryption techniques. In this paper, we proposed a modified approach for encryptionbased on chaotic skew tent maps in order to meet the requirements of the secure transfer. In the projectedencryption scheme, an external secret key of 128-bit and two chaotic skew tent maps are employed. Theinitial conditions for the both skew tent maps are derived using the external secret key. The results of severalexperimental, statistical analysis and key sensitivity tests show that the proposed encryption scheme providesan efficient and secure way for encryption and transmission.
STRATEGIES FOR PRESERVATION OF DIGITAL DOCUMENTS: AN OVERVIEW
Sarika Sawant
Trends in Information Management , 2006,
Abstract: Libraries are .facing a challenge to manage 'digital horn documents and one of the activities of libraries/archives is to maintain them for posterity. The paper reviews briefly different strategies jbr preservation of digital documents by way of migration, refreshing, backup. data archeology, technological up gradation etc and pinpoints their limitations by referring to literature.
Social Sustainability and Mixed Landuse, Case Study of Neighborhoods in Nagpur, India
Sarika Bahadure
Bonfring International Journal of Industrial Engineering and Management Science , 2012, DOI: 10.9756/bijiems.1744
Abstract: Social sustainability focuses on the type of development that promotes social interaction and inclusion. It gives emphasis to inclusive community, social cohesions, quality of life, social equity and diversity. Segregated landuse has single land use and creates social impacts like social inequalities, exclusion, increased crime rate and physical and psychological problems. Mixed landuse development has multiple compatible land uses like residential, commercial, leisure, etc. within a closed proximity. These diverse uses tend to encourages walking thus enhancing visual and verbal interaction. This paper studies the significance of understanding the notion of mixed land use to achieve social sustainability. Various social parameters like accessibility, diversity, vitality, community cohesion, natural surveillance, safety, quality of life, sense of belonging and (anti)social behaviour has been studied in the context of mixed and segregated landuse areas. Supporting the literature review the study is further extended in six neighbourhoods with varying mix of residential, mix, commercial and other (open area/garden/institutional) land use for the city Nagpur, India. Accessibility, availability and quality of the amenities in the closed proximity and the age of the neighbourhood are the major decisive parameter that affects the social sustainability.
Spectral analysis of deformed random networks
Sarika Jalan
Quantitative Biology , 2008, DOI: 10.1103/PhysRevE.80.046101
Abstract: We study spectral behavior of sparsely connected random networks under the random matrix framework. Sub-networks without any connection among them form a network having perfect community structure. As connections among the sub-networks are introduced, the spacing distribution shows a transition from the Poisson statistics to the Gaussian orthogonal ensemble statistics of random matrix theory. The eigenvalue density distribution shows a transition to the Wigner's semicircular behavior for a completely deformed network. The range for which spectral rigidity, measured by the Dyson-Mehta $\Delta_3$ statistics, follows the Gaussian orthogonal ensemble statistics depends upon the deformation of the network from the perfect community structure. The spacing distribution is particularly useful to track very slight deformations of the network from a perfect community structure, whereas the density distribution and the $\Delta_3$ statistics remain identical to the undeformed network. On the other hand the $\Delta_3$ statistics is useful for the larger deformation strengths. Finally, we analyze the spectrum of a protein-protein interaction network for Helicobacter, and compare the spectral behavior with those of the model networks.
Synthesis, characterization and biocidal properties of platinum metal complexes derived from 2,6-diacetylpyridine (bis thiosemicarbazone)  [PDF]
Monika Tyagi, Sulekh Chandra
Open Journal of Inorganic Chemistry (OJIC) , 2012, DOI: 10.4236/ojic.2012.23007
Abstract: The coordination compounds of PdII, PtII, RhIII and IrIII metal ions with a Schiff base ligand (L) i.e. 2,6- diacetylpyridine bis(thiosemicarbazone) have been synthesized and characterized by elemental analyses, molar conductance, magnetic susceptibility measurements, IR, NMR and electronic spectral studies. On the basis of molar conductance and elemental analyses the complexes were found to have composition [M(L)]Cl2 and [M’(L)Cl]Cl2, where M = Pd(II), Pt(II) and M’ = Rh(III), Ir(III). The spectral studies reveal that the complexes possess monomeric composition. Complexes of PdII and PtII were found to have four coordinated square planar geometry whereas the complexes of RhIII and IrIII posses six coordinated octahedral geometry. The ligand field parameters were calculated using various energy level diagrams. In vitro synthesized compounds and metal salts have been tested against some species of plant pathogenic fungi and bacteria in order to assess their antimicrobial properties.
Reliability Analysis of a Powerloom Plant Using Interval Valued Intuitionistic Fuzzy Sets  [PDF]
Sanjay Kumar Tyagi
Applied Mathematics (AM) , 2014, DOI: 10.4236/am.2014.513193
Abstract:

In this paper, we investigate the reliability analysis of a powerloom plant by using interval valued intuitionistic fuzzy sets (IVIFS). Herein, we modeled a powerloom plant as a gracefully degradable system having two units A(n) and B(m) connected in series. The reliability ofncomponents of unitAandmcomponents of unitBis assumed to be an IVIFS defined over the universe of discourse [0, 1]. Thus, the reliability of the system obtained is an IVIFS that covers the inherited uncertainty in data collection and reliability evaluation of a powerloom plant.

Significant Factors for Reliability Estimation of Component Based Software Systems  [PDF]
Kirti Tyagi, Arun Sharma
Journal of Software Engineering and Applications (JSEA) , 2014, DOI: 10.4236/jsea.2014.711083
Abstract: Software reliability is defined as the probability of the failure-free operation of a software system for a specified period of time in a specified environment. Traditional approaches for software reliability analysis are black box approaches. These approaches use the software as a whole. At present, main emphasis of software is on reuse, hence component based software applications came into existence. Black box models are not appropriate for these applications. This paper introduces some significant factors for reliability estimation of Component Based Software Applications. Reliability of Component Based Software Application depends upon these factors. This paper also gives the definition of factors and explains its relation with reliability of software application.
Synthesis and Characterization of Advanced Red Mud and MWCNTs Based EMI Shielding Material via Ceramic Processing  [PDF]
Sarika Verma, Sudhir Sitaram Amritphale, Satyabrata Das
Materials Sciences and Applications (MSA) , 2016, DOI: 10.4236/msa.2016.74019
Abstract: For the first time in the world advanced multi layered Red Mud and MWCNTs (ARMC) based EMI shielding material has been developed at CSIR-AMPRI, Bhopal. Red mud provides oxides of titanium and iron as precursor and the MWCNTs provides electrical conductivity characteristics necessary for making desired EMI shielding materials. The novel process involves unique designing of chemical compositions and mineralogical phases of red mud, MWCNTs together with appropriate additive and solvent which results in the simultaneous and synergistic chemical reactions among various constituents thereby forming tailored precursor powder. Further, the ceramic processing of tailored precursor powder in appropriate environment enables formation of advanced ARMC shielding material having a variety of ceramic phases with multi elemental compositions and multi layered crystal structures. The synthesized material was characterized by various techniques namely XRD, PL, FESEM, EDXA. The reflection loss (R. L.) of the sample was calculated based on the measured complex permittivity and permeability. The advanced ARMC material with thickness t = 1.5 mm showed a minimum R. L. of -35.5 Db at 14.0 GHz with a response band width of 1.8 GHz. Thus, the developed advanced ARMC material acts as a good EMI wave absorber.
Does Animation Facilitate Better Learning in Primary Education? A Comparative Study of Three Different Subjects  [PDF]
M. Shreesha, Sanjay Kumar Tyagi
Creative Education (CE) , 2016, DOI: 10.4236/ce.2016.713183
Abstract: The research and innovation in the field of computer and technology has made significant contribution for the development of new pedagogical strategies in all levels of education. The use of digital tools like animation has changed the way of providing education, especially in primary school level, adding an element of entertainment to the process of teaching and learning. It is assumed that the use of animated instructional material can help to present a complex concept in a simple form, create more interest about the subject, motivate the pupil for better learning, increase the accuracy of the message and play a crucial role in improving the students’ academic performance. Against this background, the present paper attempts to assess the efficacy of animation on different subjects in primary education. Here, in the study, an experiment has been conducted using animation to teach three subjects Mathematics, Language and Science; and students’ performance was compared and analyzed using fuzzy statistical tools.
Integrated Area-power Optimal State Assignment
Akhilesh Tyagi
VLSI Design , 2001, DOI: 10.1155/2001/39405
Abstract: This paper presents a state assignment algorithm with the objective of lower energy along with area comparable to the area-targeting state assignments such as JEDI. The underlying framework is MUSTANG's complete weighted graph with weights representing state affinity. The weight computation phase estimates the computation energy of potential common cubes using steady state probabilities for transitions. The weight computation phase also identifies a large set of potential state cliques, which are incorporated into a recursive bipartitioning based state assignment procedure. Reuse of cliques identified by the weight computation phase results in a faster and efficient state assignment. The energy targeting weights result in ≈9% lower area and 18% lower power than area targeting weights in JEDI over 29 MCNC Logic Synthesis ‘93 benchmarks. The clique based state assignment performs almost as well as the annealing based state assignment in JEDI, and takes only about half as much time.
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