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[BHM] Black History Month 2026 - Government Docs
No full textPoster showcasing U.S. Government documents relating to Black History Month.https://scholarworks.utrgv.edu/librarydisplayposters/1090/thumbnail.jp
[BHM] Black History Month 2026 - Library Resources
No full textCollection of posters created celebrating Black History Month 2026. It highlights films, books, and archival materials that celebrate Black arts, storytelling, leadership, and local history. The posters also showcase streaming films with public performance rights, literature, biographies of influential figures, and archival profiles of African American educators from the Rio Grande Valley/https://scholarworks.utrgv.edu/librarydisplayposters/1091/thumbnail.jp
Variants of Conway Checkers and k-Nacci Jumping
No full textConway Checkers is a game played with a checker placed in each square of the lower half of an infinite checkerboard. Pieces move by jumping over an adjacent checker, removing the checker jumped over. Conway showed that it is not possible to reach row 5 in finitely many moves by weighting each cell in the board by powers of the golden ratio such that no move increases the total weight.
Other authors have considered the game played on many different boards, including generalizing the standard game to higher dimensions. We work on a board of arbitrary dimension, where we allow a cell to hold multiple checkers and begin with m checkers on each cell. We derive an upper bound and a constructive lower bound on the height that can be reached, such that the upper bound is almost always equal to the lower bound.
We also consider the more general case where instead of jumping over 1 checker, each checker moves by jumping over k checkers, and again show the maximum height reachable lies within bounds that are almost always equal. Dedication
This paper is dedicated with thanks to Peter G. Anderson, Marjorie Bicknell-Johnson and William Webb. In a similar fashion to the pagoda functions crucial to this paper, their tireless effort and leadership has allowed the journal and association to take only an upward trajectory for decades, and it is a great pleasure to acknowledge their service and mentorship
Computational insights into orthotropic fracture: crack-tip fields in strain-limiting materials under non-uniform loads
No full textA finite element framework is presented for analyzing crack-tip phenomena in transversely isotropic, strain-limiting elastic materials. Mechanical response is characterized by an algebraically nonlinear constitutive model, relating stress to linearized strain. Non-physical strain singularities at the crack apex are mitigated, ensuring bounded strain magnitudes. This methodology significantly advances boundary value problem (BVP) formulation, especially for first-order approximate theories. For a transversely isotropic elastic solid with a crack, the governing equilibrium equation, derived from linear momentum balance and the nonlinear constitutive model, is reduced to a second-order, vector-valued, quasi-linear elliptic BVP. This BVP is solved using a robust numerical scheme combining Picard-type linearization with a continuous Galerkin finite element method for spatial discretization. Numerical results are presented for various loading conditions, including uniform tension, non-uniform slope, and parabolic loading, with two distinct material fiber orientations. It is demonstrated that crack-tip strain growth is substantially lower than stress growth. Nevertheless, strain energy density is found to be concentrated at the crack tip, consistent with linear elastic fracture mechanics principles. The proposed framework provides a robust basis for formulating physically meaningful, rigorous BVPs, critical for investigating fundamental processes like crack propagation, damage, and nucleation in anisotropic, strain-limiting elastic solids under diverse loading conditions
Exploring resource profiles among trauma exposed youth: An identity-focused, cultural, and person-centered approach
No full textObjective: Resilience is a multi-faceted construct comprised of both internal and external resources that support adaptive functioning following trauma exposure. The role of resilience in ameliorating internalizing symptoms may depend on its typology as opposed to its presence alone, suggesting the existence of distinct subpopulations with heterogeneous resource profiles. The current study employs Latent Profile Analysis (LPA) to identify and characterize profiles of resilience-related resources among youth exposed to trauma from an identity-focused, cultural lens.
Method: Patterns of resources were examined in 1538 youth (Mage = 13.4, 51.9 % female) from a large longitudinal registry of trauma exposed youth in Texas using LPA. Profiles were related to demographic variables and internalizing symptoms (post-traumatic stress symptoms [PTSS], depression, and anxiety) using multinomial regression.
Results: Results demonstrated an optimal four-class solution (Low Social Support and Average ERI, 31.2 %; Average Level of Protective Factors, 27.4 %; Ethnic Identity Diffusion, 18.1 %; Social Support Dominant, 23.2 %). Depressive symptoms significantly differentiated between classes in the four-class model as well as youth race, age, and ethnicity. Anxiety symptoms and PTSS did not differentiate the classes as clearly.
Conclusion: Person-centered analyses such as LPA underscore the value of examining resilience as a multi-faceted and heterogeneous pattern of resources shaped by socio-ecological and cultural contexts among trauma-exposed youth. Implications for clinical intervention are discussed
Advancing Culturally Sustaining STEM Instruction for Latinx Secondary Students: From Research to Practice Through the Monarch Migration
No full textThis chapter presents the development of a research-based STEM curriculum for Latinx students using Monarch butterfly migration phenomenon as context. Based on a systematic review of 196 articles, the study first maps eight STEM research categories for Latinx populations. It then conducts a meta-synthesis of 23 successful interventions to create a Latinx-Affirming STEM (La-STEM) curriculum framework organized around Akker\u27s ten curriculum elements. Finally, it translates these theoretical foundations into practical implementation through a detailed Monarch butterfly migration curriculum. The Monarch phenomenon, chosen for its deep cultural resonance and scientific richness, demonstrates how each curriculum element can integrate STEM concepts with cultural knowledge. Grounded in Culturally Sustaining Pedagogy and Rightful Presence frameworks, this work provides educators with both theoretical understanding and concrete strategies for developing culturally sustaining STEM curricula that maintain academic rigor
Teaching Nature of Science (NOS) through Cultural Windows: A Framework for Latinx Preservice Science Teachers
No full textThis chapter presents a comprehensive framework for teaching Nature of Science (NOS) to preservice science teachers through cultural windows, implemented through six targeted activities. The framework, developed through rigorous meta-synthesis of NOS literature and analysis of Latinx preservice teachers\u27 autobiographies, integrates Culturally Sustaining Pedagogy (CSP) and Rightful Presence (RP) theories with NOS curriculum elements. This theoretical foundation informs the design of activities: Dolores Huerta environmental justice, Tangram exploration, historical cases, cultural picture analysis, nixtamalization black box, and family-scientist interactions. Each activity systematically maps to curriculum elements while demonstrating how the framework enables cultural knowledge integration in NOS instruction for meaningful, identity-sustaining science education
Flips in two-dimensional hypertriangulations
No full textWe study flips in hypertriangulations of planar points sets. Here a level-k hypertriangulation of n points in the plane is a subdivision induced by the projection of a k-hypersimplex, which is the convex hull of the barycenters of the (k−1)-dimensional faces of the standard (n−1)-simplex. In particular, we introduce four types of flips and prove that the level-2 hypertriangulations are connected by these flips
Photograph of NASA Space Shuttle Mission Crew - 01
No full textColor photograph. Autographed photo of NASA Space Shuttle Mission Crew, including commader Col. Kenneth D Cameron, pilot Mr. Stephen S. Oswald, and mission specialists Mr. Kenneth D. Cockrell, Dr. Micheal Foale, and Dr. Ellen Ochoa.https://scholarworks.utrgv.edu/kikadelagarzaphotographs/1148/thumbnail.jp
Photograph of the Lone Star Plane - 01
No full textColor photograph. Display of the Southwest Airlines Lone Star Plane. A marching band performing in front of the plane for a crowd of people.https://scholarworks.utrgv.edu/kikadelagarzaphotographs/1156/thumbnail.jp