The University of Houston–Downtown is a four-year state university, and is a separate and distinct component institution of the University of Houston System. Its campus spans 20 acres in Downtown Houston, with a satellite location in northwestern Harris County. Founded in 1974, UHD is the second-largest university in the Houston area with nearly 14,000 students.The university serves students in four academic colleges. UHD offers over 50 degree programs: 45 bachelors and seven masters. Awarding more than 2,400 degrees annually, the university's alumni base exceeds 30,000. Wikipedia.
Turski J.,University of Houston-Downtown
Vision Research | Year: 2016
We study geometric properties of horopters defined by the criterion of equality of angle. Our primary goal is to derive the precise geometry for anatomically correct horopters. When eyes fixate on points along a curve in the horizontal visual plane for which the vergence remains constant, this curve is the larger arc of a circle connecting the eyes' rotation centers. This isovergence circle is known as the Vieth-Müller circle. We show that, along the isovergence circular arc, there is an infinite family of horizontal horopters formed by circular arcs connecting the nodal points. These horopters intersect at the point of symmetric convergence. We prove that the family of 3D geometric horopters consists of two perpendicular components. The first component consists of the horizontal horopters parametrized by vergence, the point of the isovergence circle, and the choice of the nodal point location. The second component is formed by straight lines parametrized by vergence. Each of these straight lines is perpendicular to the visual plane and passes through the point of symmetric convergence. Finally, we evaluate the difference between the geometric horopter and the Vieth-Müller circle for typical near fixation distances and discuss its possible significance for depth discrimination and other related functions of vision that make use of disparity processing. © 2015 Elsevier Ltd. Source
Wright K.,University of Houston-Downtown
Communications of the ACM | Year: 2010
When Edgster Dijkstra wrote his paper Go To Statements Considered Harmful, programmers were lost in millions of lines of spaghetti code. Now programmers have lost their way again-this time amidst thousands of unread resumes. Between 2000 and 2004, the percentage of incoming computer science freshmen fell by 60%. Drop rates of 30-50% are common. Results are similar for the other computing related fields including Information Systems, Software Engineering, and Information Technology. Many of these degree programs, which H.A. Simon referred to collectively as the Artificial Sciences, have failed or are about to fail. This loss of student interest in artificial sciences has been blamed in part on the impression that they require extraordinary programming skills. Computing journals perpetuate these notions. For example, in capstone (senior level) computer science courses, students should design and code a 'real world' application. This article is an opposing viewpoint. © 2010 ACM. Source
Jovanovic V.,Schlumberger |
Koshkin S.,University of Houston-Downtown
Journal of Sound and Vibration | Year: 2012
We study two models of connected pendulum clocks synchronizing their oscillations, a phenomenon originally observed by Huygens. The oscillation angles are assumed to be small so that the pendulums are modeled by harmonic oscillators, clock escapements are modeled by the van der Pol terms. The mass ratio of the pendulum bobs to their casings is taken as a small parameter. Analytic conditions for existence and stability of synchronization regimes, and analytic expressions for their stable amplitudes and period corrections are derived using the Poincaré theorem on existence of periodic solutions in autonomous quasi-linear systems. The anti-phase regime always exists and is stable under variation of the system parameters. The in-phase regime may exist and be stable, exist and be unstable, or not exist at all depending on parameter values. As the damping in the frame connecting the clocks is increased the in-phase stable amplitude and period are decreasing until the regime first destabilizes and then disappears. The results are most complete for the traditional three degrees of freedom model, where the clock casings and the frame are consolidated into a single mass. © 2012 Elsevier Ltd. All rights reserved. Source
Bose U.,University of Houston-Downtown
Ethics and Information Technology | Year: 2012
As business environments become more complex and reliant on information systems, the decisions made by managers affect a growing number of stakeholders. This paper proposes a framework based on the application of normative theories in business ethics to facilitate the evaluation of IS related ethical dilemmas and arrive at fair and consistent decisions. The framework is applied in the context of an information privacy dilemma to demonstrate the decision making process. The ethical dilemma is analyzed using each one of the three normative theories-the stockholder theory, stakeholder theory, and social contract theory. The challenges associated with the application of these theories are also discussed. © 2011 Springer Science+Business Media B.V. Source
Agency: NSF | Branch: Standard Grant | Program: | Phase: ROBERT NOYCE SCHOLARSHIP PGM | Award Amount: 1.44M | Year: 2015
In recognition of the national shortage of STEM teachers, especially in high needs schools, collaborators at the University of Houston-Downtown have designed a Noyce Teaching Fellows (TF) project to increase the number of highly qualified science and math teachers in at-risk schools in the greater Houston area. A complementary goal of this project will be to increase the supply of dual credit STEM teachers. The project will facilitate the transition of 20 STEM professionals into teaching careers through a program of coursework and professional development featuring (a) a Masters of Arts in Teaching (b) field experiences with teacher/leaders, (c) classroom observations, and (d) an online, professional community of practice.
This project, led by STEM faculty and collaborators from the Urban Education Department, relies on current research on teacher preparation related to improving their ability to thrive in high-needs urban schools with diverse learners and to cope with standard issues that such schools face. It also takes advantage of current trends for creating online learning communities and training high school instructors to teach college-level courses. Formative evaluation will involve the assessment of the TFs progress throughout the project, regarding their perceived competence and self-efficacy, certification test scores, and results of observations by faculty, mentors and principals. Summative assessment will also include the impact of TFs teaching on student achievement scores and career interest. Results will be presented at conferences and meetings of professional societies such as the National Science teachers Association and the Association of Science-Technology Centers.