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### IITI Institutional Digital Repository

The IITI Institutional Repository has been created by the Central Library IIT Indore to showcase, organize, share, and preserve the scholarly output of Indian Institute of Technology Indore. The Repository is designed to facilitate scholarly communication by providing access to the knowledge resources created by IITI and preserving the same for future generations of scholars. The Central Library is proud to host and maintain the repository and to facilitate access to the knowledge resources of IITI community.

### Recent Submissions

The human brain is a highly complex system. The electroencephalogram (EEG) signals are commonly analyzed by experts to study the di erent states of the brain in di erent physiological and pathological conditions. The recorded EEG signal is a result of ring of...

Organic and hybrid organic/inorganic photodetectors are attractive alternatives to conventional inorganic photodetectors due to their potential for low cost and low temperature solution-based processing on exible substrates on a large scale. Further these processes can lead to ...

Cognitive radio has emerged as a promising technology to improve the spectrum utilization e ciency in wireless networks. Typically, in cognitive radio systems, the secondary users (SUs) are allowed to share the spectrum licensed to the primary users (PUs), subject to satisf...

The Standard Model is one of the most successful theories which describes strong, weak and electromagnetic forces and interactions between the elementary particles. The scalar boson has been found at the Large Hadron Collider (LHC) on 4th July 2012 that has con rmed&#x...

Present thesis aims to investigate the joint decision making for fleet system reliability design and maintenance planning. Optimal reliability design and efficient maintenance planning are important aspects for capital-intensive industrial equipment/systems such as wind turbines, aircrafts, mi...

In this paper, the reduced dynamic autonomous formation control of geostationary-Earth-orbit satellites using Indian Regional Navigation Satellite System observables is presented. Generally, the navigation signal is used to determine the position, velocity, and time kinematically. The kinematic form...

In this study, a new family of planar parallel manipulators namely square shape/U-base planar parallel manipulator starting with an active prismatic joint on each limb is proposed. In order to identify the best configurations of this family, comparative kinematic and dynamic analyses&#x...

The notion of new black aesthetic has been gaining considerable attention in academia with Trey Ellis’s landmark essay, “The New Black Aesthetic”, which appeared in Callaloo in 1989. A similar term, ‘post-black’ gained artistic and scholarly interest since the late 1990s wh...

We develop a general framework for defining and analyzing pseudospectra of matrix pencils. The framework so developed unifies various definitions of pseudospectra of matrix pencils proposed in the literature. We introduce and analyze critical points of backward errors of approximate&...

In this work we propose a general framework for the structured perturbation analysis of several classes of structured matrix polynomials in homogeneous form, including complex symmetric, skew-symmetric, even and odd matrix polynomials. We introduce structured backward errors for approximate...

We discuss the perturbation analysis for eigenvalues and eigenvectors of structured homogeneous matrix polynomials with Hermitian, skew- Hermitian, H-even and H-odd structure. We construct minimal structured perturbations (structured backward errors) such that an approximate eigenvalue and ei...

Suppose that an n-by-n regular matrix pencil A − λB has n distinct eigenvalues. Then determining a defective pencil E−λF which is nearest to A−λB is widely known as Wilkinson’s problem. It is shown that the pencil E − λF can be constructed from eigenvalues and...

Localization theorems are discussed for the left and right eigenvalues of block quaternionic matrices. Basic definitions of the left and right eigenvalues of quaternionic matrices are extended to quaternionic matrix polynomials. Furthermore, bounds on the absolute values of the ...

Minimal norm structured perturbations (backward errors) are constructed such that an approximate eigenpair of a nonlinear eigenvalue problem is an exact eigenpair of an appropriately perturbed problem. Structured and unstructured backward errors are compared. These results extend previous ...

The nontrivial electronic topology of a topological insulator is thus far known to display signatures in a robust metallic state at the surface. Here, we establish vibrational anomalies in Raman spectra of the bulk that signify changes in electronic topology: an E2 g&#...

Bulk hematite is a canted antiferromagnet at room temperature and displays weak magnetic coercivity above the Morin transition temperature TM∼262 K. Below TM, hematite displays traditional antiferromagnetic behavior, with no net magnetic moment or magnetic hysteresis. Here, we report ...

This research article provides a pathway of controlled growth of ZnO nano-rods, -flowers, -needles or -tubes without external chemical catalysis, via a simple wet chemical method by control of synthesis temperature. Morphological effects on structural and optical properties are studi...

Here we report an easy and rapid synthesis technique of wurtzite ZnO nanostructures in the form of flowers, nano-rods and nano-tubes that are achieved by a facile hydrothermal method. A growth mechanism is proposed based on a series of temperature dependent experiments keepi...

ZnO is known to have oxygen vacancies which count for green emission. The oxygen deficient ZnO system has a bandgap of 3.12 eV with an Urbach tail of 0.083 eV which hints at structural irregularities in the material. This inherent property of oxygen deficiency is&#...

Here wepresentasimpleandeffectivewayofbandgaptuningbyV-substitutioninTiO2. Thenano- particles ofTi(1-x)VxO2 (for 0rxr0.09) werepreparedbycontrolledandsimplified sol-gelmethod.The pure anatasephaseofTiO2 wasconfirmed byX-raydiffractionandRamanspectroscopy.Debye-scherrer formula andWilliamson-Hallplotgivecrystallitesizedecreasesfrom10.8to8.2nmwhenstrainin- creases from0.019to0.027for x¼0...

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