266 research outputs found
Referenceless characterisation of complex media using physics-informed neural networks
Full text linkIn this work, we present a method to characterise the transmission matrices
of complex scattering media using a physics-informed, multi-plane neural
network (MPNN) without the requirement of a known optical reference field. We
use this method to accurately measure the transmission matrix of a commercial
multi-mode fiber without the problems of output-phase ambiguity and dark spots,
leading to upto 58% improvement in focusing efficiency compared with
phase-stepping holography. We demonstrate how our method is significantly more
noise-robust than phase-stepping holography and show how it can be generalised
to characterise a cascade of transmission matrices, allowing one to control the
propagation of light between independent scattering media. This work presents
an essential tool for accurate light control through complex media, with
applications ranging from classical optical networks, biomedical imaging, to
quantum information processing
Designing a business Plan for a European-Nepalese Fusion Restaurant in Nepal
Full text linkThe author draws up a business plan in this thesis on the basis of research, personal experi-ences and understanding with the intention of implementing it in real life. The main objec-tive of this thesis is to generate a business plan for authors own restaurant. The author intends to establish a European-Nepalese fusion restaurant in Nepal which will serve break-fast, lunch and dinner alongside non-alcoholic beverages.
The theoretical framework of the thesis theories, such as food culture in Nepal and Europe, where European, Nepalese food culture and fusion food trends are briefly discussed. It helps the author to deeply understand both food cultures and the potential of establishing a fusion food restaurant in Nepal. Entrepreneurship provides an idea on how to start and op-erate the business, factors affecting entrepreneurship as well as entrepreneurship opportu-nities in Nepal. The theory section also includes a business plan where the types of a busi-ness plan and its advantages, financial planning in business plan are included. It provides some knowledge about the process of building a business plan for a restaurant and factors to focus on. The business plan teaches the importance of creating a business plan for any company and how it is prepared in relation with the business canvas model. The business model canvas illustrates the key factors of the company which are the most essential factors to start and operate any business.
The research methods used for the development of this thesis are online interview and net-scouting. The online interview was conducted with the owner and manager of Sri Sai palace restaurant and bar located in Jhapa, Nepal, with the concept of obtaining genereal information about planning and opening a new restaurant in Nepal. Similarly, net-scouting was done obout three Nepalese restaurants located in the capital region of Nepal inorder to have an idea about the ideal location, products and services and customers.
The outcome of this thesis helped the author to have a better understanding of creating an effective business plan, how to write it and eventually apply it in the real market. The information collected during the thesis process helped the author to have a better understanding of the factors needed to operate a restaurant. The interview provided specific information to establish and operate a restaurant in Nepal. The results of net-scouting helped the author to focus on the specif areas to ensure the success of the business
Inverse-design of high-dimensional quantum optical circuits in a complex medium
Full text linkProgrammable optical circuits form a key part of quantum technologies today, ranging from transceivers for quantum communication to integrated photonic chips for quantum information processing. As the size of such circuits is increased, maintaining precise control over every individual component becomes challenging, leading to a reduction in the quality of the operations performed. In parallel, minor imperfections in circuit fabrication are amplified in this regime, dramatically inhibiting their performance. Here we show how embedding an optical circuit in the higher-dimensional space of a large, ambient mode-mixer using inverse-design techniques allows us to forgo control over each individual circuit element, while retaining a high degree of programmability over the circuit. Using this approach, we implement high-dimensional linear optical circuits within a complex scattering medium consisting of a commercial multi-mode fibre placed between two controllable phase planes. We employ these circuits to manipulate high-dimensional spatial-mode entanglement in up to seven dimensions, demonstrating their application as fully programmable quantum gates. Furthermore, we show how their programmability allows us to turn the multi-mode fibre itself into a generalised multi-outcome measurement device, allowing us to both transport and certify entanglement within the transmission channel. Finally, we discuss the scalability of our approach, numerically showing how a high circuit fidelity can be achieved with a low circuit depth by harnessing the resource of a high-dimensional mode-mixer. Our work serves as an alternative yet powerful approach for realising precise control over high-dimensional quantum states of light, with clear applications in next-generation quantum communication and computing technologies
A Modern History of Caste
No full textThe theory of caste and the antecedent hierarchical system has received growing interest in the past two centuries. In contemporary times, there has been a surge among researchers and scholars to locate the category of caste. Various theories have tried to base the ‘origins’ of caste in religion, society, or Indian culture since the arrival of Aryans in the Indian subcontinent (2000 BCE). This talk will look at the episodes of making caste a category of modern interest during colonial times. By centring attention on the experiences of Dalits and untouchability it reframes the approach and examines the development of anti-caste body-politics through the rise of popular Dalit social and political movements. This version of caste history departs from the reliance on the orientalist and occidental interpretations of Indian society, and inserts new theories of caste politics. Suraj Yengde’s recent appointment was a Senior Fellow at the Harvard Kennedy School He is currently a research associate at the department of African and African American Studies, and a non-resident fellow at the Hutchins Center for African and African American Research, and as well part of the founding team of the Initiative for Institutional Anti-Racism and Accountability (IARA) at Harvard University. He has studied on four continents (Asia, Africa, Europe, North America), and is India’s first Dalit PhD holder from an African university (University of the Witwatersrand, Johannesburg). Suraj Yengde is an International Human Rights attorney by qualification from India and the UK, and has published over 100 essays, articles, and book reviews in multiple languages in the field of caste, race, ethnicity studies, and labour migration in the global south. Named one of the ‘25 Most Influential Young Indians‘ by GQ magazine and the ‘Most influential Young Dalit’ by Zee, Suraj is the author of Caste Matters (2019) and co-editor (with Anand Teltumbde) of the award winning anthology The Radical in Ambedkar (2018). His forthcoming books are Caste: A New History of the World (2022), and a biography of B. R. Ambedkar (2022)
Development and evaluation of graphical user interface and benchmark creation for cache management on multi-core systems
Full text linkDSpace SAF Submission Ingestion Package generated from Vireo submission #11472 on 2017-09-29 at 11:19:27There is a constant need to improve processor performance on any system. It is vital to be able to visualize performance owing to a caching strategy and to use custom benchmarks to study the changes in performance. This thesis details the development and the evaluation of a graphical user interface to study the performance of a caching strategy detailed in [1]. Further, the process of creating synthetic benchmarks as well as integrating existing benchmarks to run with the tool are detailed. This thesis also proposes a synchronization mechanism which identifies the core carrying out 'prefetch and lock' of this framework and stalls other online and present cores temporarily during this phase of 'colored lockdown', to provide support on systems in which 'lockdown by master' is not available.Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2019-08-01The student, Suraj Venkat, accepted the attached license on 2017-07-14 at 11:32.The student, Suraj Venkat, submitted this Thesis for approval on 2017-07-14 at 11:35.This Thesis was approved for publication on 2017-07-17 at 11:43.Made available in DSpace on 2017-09-29T17:52:23Z (GMT). No. of bitstreams: 2
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Rotavirus Diarrhea and its Determinants Among Under-Five Children Admitted in a Tertiary Care Hospital of Southern Haryana, India
No full textThis is the accepted manuscript version of the work published in its final form as Goel, A.K., Chawla, S., Dhingra, A. et al. Rotavirus Diarrhea and its Determinants Among Under-Five Children Admitted in a Tertiary Care Hospital of Southern Haryana, India. Indian J Pediatr 88, 16–21 (2021). https://doi.org/10.1007/s12098-020-03616-1.
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Victims of Violence: A Critical Analysis of Khalid Hussain’s Selected Stories from Satisar Ka Suraj
Full text linkViolence and resistance has been the major motif of the majority of conflict-zone literatures. The authors have used this motif either as a mode of resistance or as a means to outpour their traumatic experiences. Hannah Arendt, in her book On Violence, deals with the ideas as to how violence is related with power. She details how the institutional power structures exercise violence in order to maintain their rule and status quo as well as to suppress any resistance to the state power. This paper however analyses how the violence meted out either by the state or by those coercive forces who turn militant against the state affects the common lot in the remote areas of Jammu and Kashmir. For this purpose, the paper deals with a few stories from a collection of a regional author Khalid Hussain, titled Satisar Ka Suraj, (which translates as ‘The Sun of Sati Sar’)[i] written in Urdu.
[i] Satisar is one of the Old names of Jammu and Kashmir. The title of the book by Khaled Hussain is therefore well translated as the Sun of Satisar. (See Khaled Hussain pp. 25
Victims of Violence: A Critical Analysis of Khalid Hussain's Selected Stories From Satisar Ka Suraj
No full textViolence and resistance has been the major motif of the majority of conflict-zone literatures. The authors have used this motif either as a mode of resistance or as a means to outpour their traumatic experiences. Hannah Arendt, in her book On Violence, deals with the ideas as to how violence is related with power. She details how the institutional power structures exercise violence in order to maintain their rule and status quo as well as to suppress any resistance to the state power. This paper however analyses how the violence meted out either by the state or by those coercive forces who turn militant against the state affects the common lot in the remote areas of Jammu and Kashmir. For this purpose, the paper deals with a few stories from a collection of a regional author Khalid Hussain, titled Satisar Ka Suraj, (which translates as ‘The Sun of Sati Sar')[i] written in Urdu.
[i] Satisar is one of the Old names of Jammu and Kashmir. The title of the book by Khaled Hussain is therefore well translated as the Sun of Satisar. (See Khaled Hussain pp. 25
Wake deceleration of a racecar multielement airfoil in ground effect
Full text linkThe importance of aerodynamic downforce in competitive motorsports has been well established. Much of this aerodynamic downforce is produced from the inverted multielement wings at the front and the rear of the car. While such a high-lift system is capable of producing high downforce as a result of the interaction between flows around adjacent elements, there may exist off-the-surface flow reversal, commonly known as wake bursting, causing an adverse effect on the downforce generated. Since the phenomenon of off-the-surface flow reversal occurs as a result of retardation of a wake under adverse pressure gradients, wake bursting is also referred to as wake deceleration in this study. A steady-state two-dimensional CFD analysis of a racecar multielement airfoil was carried out to study wake deceleration characteristics in ground effect. Simulations were performed using ANSYS Fluent, which is a finite-volume method (FVM) based commercial hybrid-grid Reynolds-averaged Navier-Stokes (RANS) equations solver. Computational results were obtained using a two equation shear stress transport (SST) k–omega model coupled with a one equation intermittency transition model to predict the laminar-to-turbulent boundary layer transition. The simulations were performed for an inverted two-element airfoil consisting of a main element and a flap for a fixed Reynolds number of Re = 1.1 x 10^6. The effects of ground clearance height on the main element decelerated wake were analyzed. The effects of varying flap ratio, flap deflection, angle of attack, and gap sizes on the wake deceleration patterns have been investigated. It was found that decreasing the ground clearance led to a significant increase in the amount of the main element wake bursting. Increased wake bursting at higher angles of attack was found to have caused a drop in downforce without any surface-flow separation. Although the main element wake was strongly affected while varying each of these parameters, the size of the flap wake was not affected significantly.Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2019-08-01The student, Suraj Bansal, accepted the attached license on 2017-07-20 at 11:24.The student, Suraj Bansal, submitted this Thesis for approval on 2017-07-20 at 11:46.This Thesis was approved for publication on 2017-07-20 at 13:02.DSpace SAF Submission Ingestion Package generated from Vireo submission #11549 on 2018-03-02 at 13:02:51Made available in DSpace on 2018-03-02T20:02:37Z (GMT). No. of bitstreams: 2
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