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9,566 Matching Results
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Winning Sets and the Banach-Mazur-McMullen Game
For decades, mathematical games have been used to explore various properties of particular sets. The Banach-Mazur game is the prototypical intersection game and its modifications by e.g., W. Schmidt and C. McMullen are used in number theory and many other areas of mathematics. We give a brief survey of a few of these modifications and their properties followed by our own modification. One of our main results is proving that this modification is equivalent to an important set theoretic game, called the perfect set game, developed by M. Davis.
Date:
May 2020
Creator:
Ragland, Robin
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Winter
Short novel in the fantasy genre centered around the son of a single mother in small-town Texas who becomes apprenticed to a witch to learn magic.
Date:
August 2020
Creator:
Foster, Natalie
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
[Winter 2020 virtual recognition ceremony address by Provost and Vice President for Academic Affairs, Dr. Jennifer Cowley]
Video recording of Winter 2020 recognition ceremony address by Provost and Vice President for Academic Affairs, Dr. Jennifer Cowley.
Date:
2020-12-12~
Creator:
University of North Texas.
Object Type:
Video
System:
The UNT Digital Library
[Winter 2020 virtual recognition ceremony address by UNT President, Dr. Neal Smatresk]
Video recording of Winter 2020 recognition ceremony address by UNT President, Dr. Neal Smatresk.
Date:
2020-12-12~
Creator:
University of North Texas.
Object Type:
Video
System:
The UNT Digital Library
[Winter 2020 virtual recognition ceremony address by Vice President for University Advancement, Dr. David Wolf]
Video recording of Winter 2020 recognition ceremony address by Vice President for University Advancement, Dr. David Wolf. Dr. Wolf gave congratulatory remarks to all of the graduates on behalf of the UNT Alumni Association.
Date:
2020-12-12~
Creator:
University of North Texas.
Object Type:
Video
System:
The UNT Digital Library
Wireless Power Transfer and Power Management Unit Integrated with Low-Power IR-UWB Transmitter for Neuromodulation and Self-Powered Sensor Applications
This dissertation is particularly focused on a novel approach of a wirelessly powered neuromodulation system for chronic patients. The inductively coupled transmitter (TX) and receiver (RX) coils are designed through optimization to achieve maximum efficiency. A power management unit (PMU) consisting of a voltage rectifier, voltage regulator along with a stimulation circuitry is also designed to provide pulse stimulation to genetically modified neurons. For continuous health monitoring purposes, the response from the brain due to stimulation needs to be recorded and transmitted wirelessly outside the brain for analysis. A low-power high-data duty-cycled impulse-radio ultra-wideband (IR-UWB) transmitter is designed and implemented using the standard CMOS process. Another focus of this dissertation is the design of a reverse electrowetting-on-dielectric (REWOD) based energy harvesting circuit for wearable sensor applications which is capable of generating a very low-frequency signal from motion activity such a walking, running, jogging, etc. A commercial off-the-shelf (COTS) based and on-chip based energy harvesting circuit is designed for very low-frequency signals. The experimental results show promising progress towards the advancement in the wirelessly powered neuromodulation system and building the self-powered wearable sensor.
Date:
May 2022
Creator:
Biswas, Dipon Kumar
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Wireless Power Transfer (WPT) System Design for Freely-Moving Animals for Optogenetic Neuromulation Applications
Wireless power transfer (WPT) is currently the most efficient way for transmission of power from one port to another, that is popularly used in various applications.This technique can change the previous energy utilization methods in various applications such as electronic devices, implanted medical devices, electrical vehicles and so forth.It mainly helps overcome the limitations of short battery life, limited storage, heavy weight, and high cost of batteries.This paper is based on the design of a transmitter and a receiver to achieve wireless power transfer for applications like optogenetic stimulation in rodents. With inductive coupling, a very high efficiency can be achieved between the transmitting and receiving coils of an antenna at small distances. When the transmitter and receiver are strongly coupled and are working at their resonant frequencies, the range of efficient WPT can be extended. In this work, the simulations are performed in HFSS at a resonating frequency of 13.56 MHz.A 4-port transmitter and a single-port planar receiver model are developed in HFSS, and the simulations are performed to graph the S parameters with a separation distance of 4cm. A Wilkinson power divider is designed using ADS to split the power from the four ports of the transmitter. The …
Date:
May 2022
Creator:
Sudhakar, Ramya
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Wireless Surface Acoustic Wave Sensor for PM2.5 Detection
Currently, there is no equipment to measure the real-time fit of EHMR or N-95masks which are used in harsh environments. Improper fit of these EHMRs or N-95 masks exposes the personnel to hazardous environments. Surface acoustic wave (SAW) sensors have been around for few decades and are being used in various applications. In this work, real-time PM2.5 detection using passive wireless SAW sensors is presented. The design of meander antenna at 433MHz for wireless interrogation of SAW sensor using HFSS and ADS is also presented in this thesis. This works also includes the design of YZ-lithium niobate SAW sensor including COMSOL simulation.
Date:
May 2022
Creator:
Mamidipally, Sai Karthik
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Wisdom and Veterans: Enhance the Perspective, Experience, and Resilience of the Workforce
Wisdom is defined as “a uniquely human quality demonstrated through an ability to apply self-insight, experience, and sound judgment in conjunction with applicable data, information, and knowledge to create a course of action leading to beneficial and productive decisions for both individuals and society” (Allen et al., 2020, p. 159). Using this definition as a foundation, this research explores how veterans use wisdom to enhance the workforce through perspective, experience, and resilience.
Date:
December 2020
Creator:
Allen, Jeff M., 1968-; Eaves, Tresia D.; Zimmerman, Tara; Rosellini, Amy; Njeri, Millicent & Khader, Malak
Object Type:
Paper
System:
The UNT Digital Library
Wisdom as it Exists in a Professional’s Life
Recent years have seen the development of quite a few measures of wisdom (e.g. Ardelt (2003); Glück (2017); Staudinger and Pasupathi (2003); Sternberg (1998); Webster (2003)). With a focus on information professionals working in the GLAM (Galleries, Libraries, Archives, and Museums) sector, this study is unique in the way it translated the quantitative measures used in previous study into a qualitative instrument that can allow wisdom aspects to be explored through interviews. Thus the purpose of this research was to investigate the key characteristics of wisdom for professionals working in the GLAM sector.
Date:
December 2020
Creator:
Qayyum, M. Asim; Khan, Arif & Redshaw, Sarah
Object Type:
Paper
System:
The UNT Digital Library
With great power comes great responsibility: Libraries & publishers providing accessible content
Article reporting on a panel session of the same title from the Charleston Conference 2021. The panelists revealed how their organizations implemented accessibility initiatives that provide print disabled users with greater access to online content, and the author provides an overview of their discussion.
Date:
June 16, 2022
Creator:
Dawson, Jill
Object Type:
Article
System:
The UNT Digital Library
Without/Within
My work explores the interpersonal and intrapersonal relationships we have with our physical, mental, and emotional bodies. Using techniques ranging from traditional carpentry to digital fabrication, the works are created to represent individual traumatic experiences as well as the universality of loss. My pieces are meant to elicit an empathic response from the audience. There are common traumas and pains that bring humans together as a form of bonding.
Date:
May 2022
Creator:
Jordan, Felicia
Object Type:
Text
System:
The UNT Digital Library
Witnesses to History: A Conversation with Norman F. Gant, Jr.
Video of an interview of Dr. Norman Gant regarding his rememberances of being a Dallas medical student at the time of the assassination of JFK, including his participation in removing a bullet from the body of officer J. D. Tippit.
Date:
September 27, 2023
Creator:
University of North Texas. Osher Lifelong Learning Institute.
Object Type:
Video
System:
The UNT Digital Library
[The Wizard of Oz]
Photographs of "The Wizard of Oz" by L. Frank Baum, held by UNT Special Collections. The cover of the book is orange with the title at the top in yellow. Under the title is an illustration of a tall old man with glasses, a background of the night sky surrounding his head. In front of him, smaller in size, are the illustrations of the tin man, Dorothy, Scarecrow and the Cowardly Lion. Image 2, illustration on two pages. On the right is an illustration of the old Wizard filling in Scarecrow's head with Bran. The left page has the story with a small illustration of Scarecrow in the middle of it.
Date:
March 2, 2020
Creator:
Gellner, Megan
Object Type:
Photograph
System:
The UNT Digital Library
[Woman in hair salon wearing a face mask]
Photograph of a woman wearing a face mask and a smock in a hair salon after having her hair styled.
Date:
2020
Creator:
Gandara, Martha
Object Type:
Photograph
System:
The UNT Digital Library
Women and COVID
Presentation for the IIPC General Assembly and Web Archiving Conference held on May 10-12, 2023 in Hilversum, Netherlands. This presentation relates the objective, process, and findings of a collaborative project to analyze the topic of women and gender in the IIPC COVID-19 crisis collection.
Date:
May 11, 2023
Creator:
Aasman, Susan; de Wild, Karin; Sirajzade, Joshgun; Clavert, Fréderic; Schafer, Valerie; Gebeil, Sophie et al.
Object Type:
Presentation
System:
The UNT Digital Library
Women in Wrestling Arenas: How Globalization, Socially Produced Spaces, and Commodification Impact their Portrayal and Empowerment Post Women's Revolution
The Women's Revolution in 2015 has led to a drastic shift in the ways women are portrayed in professional wrestling. The Women's Revolution came as a result of the social unrest over the lack of time women were receiving on the televised shows. Where women's storylines had centered on their sexuality, they are now presented as equal to their male counterparts after the Women's Revolution. Through an exploration of concepts in globalization, commodification, and socially produced spaces, this research seeks to understand and contextualize the Women's Revolution, the degree to which the portrayed women's equality has been achieved, and the resulting impacts of the female superstars overall. I argue that that this "equality" has been achieved through inscribing the traditionally masculine qualities of wrestling to women, has resulted in an unequal distribution of opportunities to particular female superstars rather than equality for all women on the shows, and that phallocentric objectification of the female superstars still occurs in certain aspects of professional wrestling.
Date:
May 2020
Creator:
Kohlmeyer, Collin
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Women's Fight for the Vote: Celebrating 100 Years of the 19th Amendment
Discussion with Elaine Weiss and Hillary Rodham Clinton, moderated by Carla Hayden, about the history of women's suffrage in the United States in the context of the 100th anniversary of the 19th amendment.
Date:
August 17, 2020
Creator:
Hayden, Carla Diane, 1952-; Weiss, Elaine F., 1952- & Clinton, Hillary Rodham
Object Type:
Video
System:
The UNT Digital Library
Women's Suffrage Centennial Commission
Website for the Women's Suffrage Centennial Commission, documenting historical context as well as events that occurred throughout 2020 to celebrate the 100th anniversary of women's right to vote in the United States.
Date:
December 2020
Creator:
United States. Women's Suffrage Centennial Commission.
Object Type:
Website
System:
The UNT Digital Library
The Women's Suffrage Centennial Commission Legacy
Video documenting the work of the Women's Suffrage Centennial Commission and the various initiatives and projects that were sponsored during the 2020 centennial, as well as statements from several of the commissioners about their personal experiences serving on the commission.
Date:
October 8, 2020
Creator:
United States. Women's Suffrage Centennial Commission.
Object Type:
Video
System:
The UNT Digital Library
Women's Suffrage Centennial Commission: Seventh Report to Congress and the President
Report from the Women's Suffrage Centennial Commission providing an update about projects, including the shift to digital activities for the centennial due to the COVID-19 pandemic.
Date:
May 5, 2020
Creator:
United States. Women's Suffrage Centennial Commission.
Object Type:
Report
System:
The UNT Digital Library
Women's Suffrage Centennial Commission: Sixth Report to Congress and the President
Report from the Women's Suffrage Centennial Commission providing an update about their work as well as summaries of "signature" projects for the centennial and featured partner projects.
Date:
February 5, 2020
Creator:
United States. Women's Suffrage Centennial Commission.
Object Type:
Report
System:
The UNT Digital Library
Work-Family Conflict and its Sustainability Implications among Married Immigrants Working in the USA
Article describes how there is a paucity of research on the work and family dynamics of immigrants who arrive in the U.S. on visas. This study examined work-family conflicts and work-life support among married immigrants born abroad but currently holding permanent resident status in the U.S.
Date:
October 8, 2023
Creator:
Gopalan, Neena; Beutell, Nicholas J.; Grzywacz, Joseph G.; Middlemiss, Wendy; Manchiraju, Srikant & Srivastava, Sapna
Object Type:
Article
System:
The UNT Digital Library
Work hardening in metastable high entropy alloys: a modified five-parameter model
Article models work hardening response in TRIP HEAs under tensile deformation, which reflects the hardening due to synergistic activity of multiple deformation mechanisms, using a five-parameter work hardening model.
Date:
April 19, 2022
Creator:
Haridas, Ravi Sankar; Agrawal, Priyanka; Yadav, Surekha; Agrawal, Priyanshi; Gumaste, Anurag & Mishra, Rajiv
Object Type:
Article
System:
The UNT Digital Library