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“Where War Is God And God Is War:” Women’S Religious Great War Poetry And Homefront Lines, Faith Ellington
“Where War Is God And God Is War:” Women’S Religious Great War Poetry And Homefront Lines, Faith Ellington
LSU Doctoral Dissertations
This project seeks to redefine war’s poetic landscape. Through a focus on women’s Great War poetry, I argue against a dichotomous home front | front line poetic barrier and instead explore the intermingling of wartime spaces. Women’s WWI poetry, I argue, exists within a space I call the homefront lines, a space in which women produce writing from their full experiences of war regardless of combatant status. The homefront lines must be included in World War I literary canons in order to fully recognize the humanity of women during wartime and to fully grasp the war’s impact on poetry …
Preface, José Luis Da Silva, Un Cig Ji, Aurel Stan
Preface, José Luis Da Silva, Un Cig Ji, Aurel Stan
Journal of Stochastic Analysis
No abstract provided.
Impact Of Voluntary Exercise On Systemic Inflammation In A 2? Hit Model Of Heart Failure With Preserved Ejection Fraction, Heather Quiriarte, Eunhan Cho, Youyoung Kim, Jake E. Doiron, Gregory Davis, James Stampley, Robert C. Noland, Zhen Li, Sanjiv J. Shah, Brian A. Irving, Guillaume Spielmann, David J. Lefer, Timothy D. Allerton
Impact Of Voluntary Exercise On Systemic Inflammation In A 2? Hit Model Of Heart Failure With Preserved Ejection Fraction, Heather Quiriarte, Eunhan Cho, Youyoung Kim, Jake E. Doiron, Gregory Davis, James Stampley, Robert C. Noland, Zhen Li, Sanjiv J. Shah, Brian A. Irving, Guillaume Spielmann, David J. Lefer, Timothy D. Allerton
Faculty Publications
No abstract provided.
Soil Contamination By Environmentally Persistent Free Radicals And Dioxins Following Train Derailment In East Palestine, Oh, Myron L. Lard, Sarah E. Eichler, Peng Gao, Kuldeep Singh, Joseph D. Ortiz, Robert L. Cook, Slawomir Lomnicki, Stephania A. Cormier, Jennifer Richmond-Bryant
Soil Contamination By Environmentally Persistent Free Radicals And Dioxins Following Train Derailment In East Palestine, Oh, Myron L. Lard, Sarah E. Eichler, Peng Gao, Kuldeep Singh, Joseph D. Ortiz, Robert L. Cook, Slawomir Lomnicki, Stephania A. Cormier, Jennifer Richmond-Bryant
Division of Basic Science Faculty Publications
The Norfolk Southern train derailment on February 3, 2023, in East Palestine, Ohio, prompted concerns about the health impacts from the chemical spills and open-air combustion. We hypothesize that the combustion of chemicals, including vinyl chloride, in the presence of transition-metal oxides from the train, tracks, and soil minerals were conducive to the formation of hazardous byproducts including environmentally persistent free radicals (EPFRs), dioxins, and furans. We also hypothesize that these harmful byproducts of combustion have a shared origin and thus will have elevated concentrations in soil samples collected close to the derailment site when compared to concentrations in background …
Non-Orientable Surfaces Bounded By Knots, Megan K. Fairchild
Non-Orientable Surfaces Bounded By Knots, Megan K. Fairchild
LSU Doctoral Dissertations
The non-orientable 4-genus of a knot $K$ in $S^{3}$ is defined to be the minimum first Betti number of a non-orientable surface $F$ in $B^{4}$ so that $K$ bounds $F$. We will survey the tools used to compute the non-orientable 4-genus, and use various techniques to calculate this invariant for non-alternating 11 crossing knots, torus knots, and Whitehead doubles. We also will view obstructions to a knot bounding a M\"{o}bius band given by the double branched cover of $S^{3}$ branched over $K$. Additionally, we discuss the problem of the Whitehead double of the Figure 8 knot and survey commonly used …
Algae-Based Bioplastics And Methods Of Making, Naohiro Kato
Algae-Based Bioplastics And Methods Of Making, Naohiro Kato
College of Science Patents
Provided for are methods of producing triacylglycerol-accumulated microalgae, methods for making bioplastics from triacylglycerol-accumulated microalgae, methods for making alga-mixed plastics, and products including these bioplastics. Methods of triacylglycerol accumulation using centrifugation are also provided. Products such as plastic beads and other consumer products can be made from the bioplastics described herein.
Polymer Dynamics At Low Molecular Weight Of Poly(Butylene Oxide) Star Polymers, Karin J. Bichler, Bruno Jakobi, Gerald J. Schneider
Polymer Dynamics At Low Molecular Weight Of Poly(Butylene Oxide) Star Polymers, Karin J. Bichler, Bruno Jakobi, Gerald J. Schneider
Faculty Publications
Star polymers are an interesting class of polymers to study based on their shape and dynamics. We use complementary techniques to study the polymer dynamics of star polymers with shorter side chains and compare them with linear counterparts. Using dielectric spectroscopy and rheology allows the extraction of the critical molecular weight using two different approaches. Furthermore, the reduction of the dielectric normal mode relaxation time shows a temperature as well as molecular weight dependent factor. Based on our dielectric spectroscopy results and taking as the limiting case based on theory, a temperature of T = 201.5 K is required which …
Evaluation Of Soybean Response To Sulfur Fertilizer Rates And Sources, Md Enamul Haque Moni
Evaluation Of Soybean Response To Sulfur Fertilizer Rates And Sources, Md Enamul Haque Moni
LSU Master's Theses
Sulfur (S) deficiency has become a significant concern for producers due to over 90% reduction in atmospheric-S deposition since the “Clean Air Act” was established. Soil organic matter, another key source of S, is steadily declining due to continuous tillage. So, we evaluated soybean [Glycine max (L.) Merr.] yield and leaf-S concentration responses to six fertilizer-S rates (0, 11, 22, 34, 45, and 67 kg S ha⁻¹) across 50 site-years, and six fertilizer-S sources (no-S check, Ammonium Sulfate (AMS), Sul4r-Plus/Gypsum, K-Mag, Tiger90CR, and Poly4) across 9 site-years in Louisiana from 2023-2024. In S rate study, soybean yield responded positively to …
Weak Solutions Of Spdes In The Space Of Tempered Distributions, Suprio Bhar, Barun Sarkar
Weak Solutions Of Spdes In The Space Of Tempered Distributions, Suprio Bhar, Barun Sarkar
Journal of Stochastic Analysis
No abstract provided.
Empowering Sustainable Development: Solar Energy For Enhanced Weather Resilience, Aly Mousaad Aly
Empowering Sustainable Development: Solar Energy For Enhanced Weather Resilience, Aly Mousaad Aly
Faculty Publications
This paper examines the impact of photovoltaic (PV) panels on wind loads in low-rise buildings with gable roofs, emphasizing their potential to promote sustainable energy solutions while improving structural integrity. We hypothesize that PV panels can effectively reduce wind-induced forces on roofing components. Experiments using a 1:7.5 scale model in an open-jet wind facility compared bare roofs to those equipped with PV panels across three configurations. Results show that PV panels can decrease total wind forces on the roof by 45% to 63%, depending on configuration and wind direction. These findings suggest that additional structural reinforcement may not be necessary …
Cross-State Travel For Cancer Care And Implications For Telehealth Reciprocity, Erika L. Moen, Qianfei Wang, Lingbo Liu, Fahui Wang, Anna N.A. Tosteson, Rebecca E. Smith, Lauren Cowan, Tracy Onega
Cross-State Travel For Cancer Care And Implications For Telehealth Reciprocity, Erika L. Moen, Qianfei Wang, Lingbo Liu, Fahui Wang, Anna N.A. Tosteson, Rebecca E. Smith, Lauren Cowan, Tracy Onega
Faculty Publications
Importance: Patients often travel for cancer care, yet the extent to which patients cross state lines for cancer care is not well understood. This knowledge can have implications for policies that regulate telehealth access to out-of-state clinicians. Objective: To quantify the extent of cross-state delivery of cancer services to patients with cancer. Design, Setting, and Participants: This cross-sectional study analyzed fee-for-service Medicare claims data for beneficiaries (aged ≥66 years) with a diagnosis of breast, colon, lung, or pancreatic cancer between January 1, 2017, and December 31, 2020. Analyses were performed between January 1 and July 30, 2024. Exposure: Patient rurality. …
A Numerical Assessment Of Ocean Alkalinity Enhancement Efficiency On A River-Dominated Continental Shelf—A Case Study In The Northern Gulf Of Mexico, Yanda Ou, Z. George Xue, Xinping Hu
A Numerical Assessment Of Ocean Alkalinity Enhancement Efficiency On A River-Dominated Continental Shelf—A Case Study In The Northern Gulf Of Mexico, Yanda Ou, Z. George Xue, Xinping Hu
Faculty Publications
A robust high-resolution coupled hydrodynamic-biogeochemical model was applied to the northern Gulf of Mexico to assess the efficiency of river- and ocean-sourced ocean alkalinity enhancement (OAE). Sensitivity tests indicate that the effectiveness of OAE-induced CO2 uptake is primarily influenced by the amount of alkalinity introduced and local wind-driven mixing, with the former determining the overall uptake and the latter affecting short-term variability. Compared to ocean-sourced OAE (direct ocean release), river-sourced OAE (elevated river alkalinity) is more effective and sustainable. River-sourced OAE has higher CO2 uptake efficiency with reduced spatial and temporal uncertainty and greater overall CO2 uptake. For river-sourced OAE, …
An Integrated Global-To-Regional Scale Workflow For Simulating Climate Change Impacts On Marine Ecosystems, Kelly Ortega-Cisneros, Denisse Fierros-Arcos, Max Lindmark, Camilla Novaglio, Phoebe Woodworth-Jefcoats, Tyler D. Eddy, Marta Coll, Elizabeth Fulton, Ricardo Oliveros-Ramos, Jonathan Reum, Yunne Jai Shin, Cathy Bulman, Leonardo Capitani, Samik Datta, Kieran Murphy, Alice Rogers, Lynne Shannon, George A. Whitehouse, Ezekiel Adekoya, Beatriz S. Dias, Alba Fuster-Alonso, Cecilie Hansen, Bérengère Husson, Vidette Mcgregor, Alaia Morell, Hem Nalini Morzaria Luna, Jazel Ouled-Cheikh, James Ruzicka, Jeroen Steenbeek, Ilaria Stollberg, Roshni C. Subramaniam, Vivitskaia Tulloch, Andrea Bryndum-Buchholz
An Integrated Global-To-Regional Scale Workflow For Simulating Climate Change Impacts On Marine Ecosystems, Kelly Ortega-Cisneros, Denisse Fierros-Arcos, Max Lindmark, Camilla Novaglio, Phoebe Woodworth-Jefcoats, Tyler D. Eddy, Marta Coll, Elizabeth Fulton, Ricardo Oliveros-Ramos, Jonathan Reum, Yunne Jai Shin, Cathy Bulman, Leonardo Capitani, Samik Datta, Kieran Murphy, Alice Rogers, Lynne Shannon, George A. Whitehouse, Ezekiel Adekoya, Beatriz S. Dias, Alba Fuster-Alonso, Cecilie Hansen, Bérengère Husson, Vidette Mcgregor, Alaia Morell, Hem Nalini Morzaria Luna, Jazel Ouled-Cheikh, James Ruzicka, Jeroen Steenbeek, Ilaria Stollberg, Roshni C. Subramaniam, Vivitskaia Tulloch, Andrea Bryndum-Buchholz
Faculty Publications
As the urgency to evaluate the impacts of climate change on marine ecosystems increases, there is a need to develop robust projections and improve the uptake of ecosystem model outputs in policy and planning. Standardizing input and output data is a crucial step in evaluating and communicating results, but can be challenging when using models with diverse structures, assumptions, and outputs that address region-specific issues. We developed an implementation framework and workflow to standardize the climate and fishing forcings used by regional models contributing to the Fisheries and Marine Ecosystem Model Intercomparison Project (FishMIP) and to facilitate comparative analyses across …
Empowering Citizens Through The Development And Deployment Of A Community-Based Environmental Health Reporting Tool, Willow Sauermilch, Jennifer Irving, Margaret Reams, Chuqi Guo, Stephania Cormier, Jennifer Richmond-Bryant
Empowering Citizens Through The Development And Deployment Of A Community-Based Environmental Health Reporting Tool, Willow Sauermilch, Jennifer Irving, Margaret Reams, Chuqi Guo, Stephania Cormier, Jennifer Richmond-Bryant
Division of Basic Science Faculty Publications
Community-based participatory research provides communities with an avenue to actively collaborate with environmental researchers. The research aims to gain insight into critical problems of concern to community members while maintaining community autonomy over the research and its outcomes. This article describes the development and implementation of an environmental health communication tool designed to meet the needs of residents of Colfax, Louisiana, a rural community with limited technological access, which is engaging in advocacy with federal and state regulatory agencies to prohibit open burning and open detonation of military and Superfund wastes at a nearby thermal treatment site. We discuss how …
Threat Perceptions, Defensive Behaviors, And The Perceived Suicide Prevention Value Of Specific Firearm Storage Practices, Michael D. Anestis, Craig J. Bryan, Anna Belle O. Bryan, Daniel W. Capron
Threat Perceptions, Defensive Behaviors, And The Perceived Suicide Prevention Value Of Specific Firearm Storage Practices, Michael D. Anestis, Craig J. Bryan, Anna Belle O. Bryan, Daniel W. Capron
Faculty Publications
Introduction: Secure firearm storage has been proposed as a suicide prevention method within the military; however, secure storage practices are uncommon. Service members may perceive limited value in secure storage as a suicide prevention tool and threat-related factors may influence such perceptions. Method: A nationally representative sample of firearm-owning military service members (n = 719) was recruited between December 3, 2021 and January 4, 2022 to complete a self-report survey by Ipsos using their KnowledgePanel calibration approach to optimize representativeness. Results: Threat sensitivity was associated with less perceived suicide prevention value across all within-home storage practices as well as out-of-home …
Cultural Consensus Modeling To Identify Culturally Relevant Reasons For And Against Suicide Among Black Adolescents, Ryan M. Hill, Danielle Busby, Jennifer L. Brown, Eric Sumlin, Estefania Fernandez, Carla Sharp
Cultural Consensus Modeling To Identify Culturally Relevant Reasons For And Against Suicide Among Black Adolescents, Ryan M. Hill, Danielle Busby, Jennifer L. Brown, Eric Sumlin, Estefania Fernandez, Carla Sharp
Faculty Publications
Introduction: The development of evidence-based treatments relies on accurate theoretical frameworks sensitive to the lived realities of the populations from which they are derived. Yet, the perspectives of Black youth are vastly underrepresented in extant theories of suicidal behavior. Cultural Consensus Modeling provides an evidence-based approach for developing a culturally informed understanding of suicide risk among Black youth. Method: Participants were 50 Black adolescents (Mage = 16.20 years; 76.0% male) who completed Phase 1 of a Cultural Consensus Modeling study. Participants freely listed reasons for suicide and reasons for living among similar peer Black youth. Responses were synthesized and coded …
Deceptive Illusory Cues Can Influence Orthogonally Directed Manual Length Estimations, Shijun Yan, Jan M. Hondzinski
Deceptive Illusory Cues Can Influence Orthogonally Directed Manual Length Estimations, Shijun Yan, Jan M. Hondzinski
Faculty Publications
We examined participants’ abilities to manually estimate one of two perpendicular line segment lengths using curved point-to-point movements. Configurations involved symmetrical, unsymmetrical, and no bisection in upright and rotated orientation alterations to vertical-horizontal (V-H) illusions, where people often perceive longer vertical than horizontal segments for equal segment lengths. Participants used two orthogonally directed movements for length estimations: positively proportional (POS) – where greater fingertip displacement involved longer length estimation between configuration intersection start position and fingertip end, and negatively proportional (NEG) – where greater fingertip displacement from the screen edge start position toward configuration intersection involved a shorter length estimation …
A Data-Driven Approach To Enhance The Prediction Of Bacteria–Metabolite Interactions In The Human Gut Microbiome Using Enzyme Encodings And Metabolite Structural Embeddings, Gopal Srivastava, Michal Brylinski
A Data-Driven Approach To Enhance The Prediction Of Bacteria–Metabolite Interactions In The Human Gut Microbiome Using Enzyme Encodings And Metabolite Structural Embeddings, Gopal Srivastava, Michal Brylinski
Faculty Publications
Background: The human gut microbiome is critical for host health by facilitating essential metabolic processes. Our study presents a data-driven analysis across 312 bacterial species and 154 unique metabolites to enhance the understanding of underlying metabolic processes in gut bacteria. The focus of the study was to create a strategy to generate a theoretical (negative) set for binary classification models to predict the consumption and production of metabolites in the human gut microbiome. Results: Our models achieved median balanced accuracies of 0.74 for consumption predictions and 0.95 for production predictions, highlighting the effectiveness of this approach in generating reliable negative …
Rapid Mid-Infrared Spectral Timing With Jwst: Grs 1915+105 During An Mir-Bright And X-Ray-Obscured State, P. Gandhi, E. S. Borowski, J. Byrom, R. I. Hynes, T. J. Maccarone, A. W. Shaw, O. K. Adegoke, D. Altamirano, M. C. Baglio, Y. Bhargava, C. T. Britt, D. A.H. Buckley, D. J.K. Buisson, P. Casella, N. Castro Segura, P. A. Charles, J. M. Corral-Santana, V. S. Dhillon, R. Fender, A. Gúrpide, C. O. Heinke, A. B. Igl, C. Knigge, S. Markoff, G. Mastroserio, M. L. Mccollough, M. Middleton, J. M. Miller, J. C.A. Miller-Jones, S. E. Motta, J. A. Paice, D. D. Pawar, R. M. Plotkin
Rapid Mid-Infrared Spectral Timing With Jwst: Grs 1915+105 During An Mir-Bright And X-Ray-Obscured State, P. Gandhi, E. S. Borowski, J. Byrom, R. I. Hynes, T. J. Maccarone, A. W. Shaw, O. K. Adegoke, D. Altamirano, M. C. Baglio, Y. Bhargava, C. T. Britt, D. A.H. Buckley, D. J.K. Buisson, P. Casella, N. Castro Segura, P. A. Charles, J. M. Corral-Santana, V. S. Dhillon, R. Fender, A. Gúrpide, C. O. Heinke, A. B. Igl, C. Knigge, S. Markoff, G. Mastroserio, M. L. Mccollough, M. Middleton, J. M. Miller, J. C.A. Miller-Jones, S. E. Motta, J. A. Paice, D. D. Pawar, R. M. Plotkin
Faculty Publications
We present mid-infrared (MIR) spectral-timing measurements of the prototypical Galactic microquasar GRS 1915+105. The source was observed with the Mid-Infrared Instrument (MIRI) onboard JWST in June 2023 at an MIR luminosity LMIR ≈ 1036 erg s−1 exceeding past infrared levels by about a factor of 10. In contrast, the X-ray flux is much fainter than the historical average, in the source’s now-persistent ‘obscured’ state. The MIRI low-resolution spectrum shows a plethora of emission lines, the strongest of which are consistent with recombination in the hydrogen Pfund (Pf) series and higher. Low-amplitude (∼1 per cent) but highly significant peak-to-peak …
Interactive Effects Of Co2, Temperature, And Nitrate Limitation On The Growth And Physiology Of Strain Ccmp 1334 Of The Marine Cyanobacterium Synechococcus (Cyanophyceae), Alyssa K. Sharbaugh, Edward A. Laws
Interactive Effects Of Co2, Temperature, And Nitrate Limitation On The Growth And Physiology Of Strain Ccmp 1334 Of The Marine Cyanobacterium Synechococcus (Cyanophyceae), Alyssa K. Sharbaugh, Edward A. Laws
Faculty Publications
The marine cyanobacterium Synecococcus sp. (CCMP 1334) was grown in a continuous culture system on a 12:12 h light:dark cycle at all combinations of low and high pCO2 (400 and 1000 ppmv, respectively), nutrient availability (nitrate-limited and nutrient-replete conditions), and temperatures of 21, 24, 28, 32, and 35°C. The maximum nutrient-replete growth rate was ~1.15 day−1 at 32–35°C. Median nutrient-replete growth rates were higher at 1000 ppmv than at 400 ppmv pCO2 at all temperatures. Carbon:nitrogen ratios were independent of pCO2 at a fixed relative growth rate (i.e., growth rate ÷ nutrient-replete growth rate) but decreased with increasing temperature. …
Nodal Finite Element Approximation Of Peridynamics, Prashant K. Jha, Patrick Diehl, Robert Lipton
Nodal Finite Element Approximation Of Peridynamics, Prashant K. Jha, Patrick Diehl, Robert Lipton
Faculty Publications
This work considers the nodal finite element approximation of peridynamics, in which the nodal displacements satisfy the peridynamics equation at each mesh node. For the nonlinear bond-based peridynamics model, it is shown that, under the suitable assumptions on an exact solution, the discretized solution associated with the central-in-time and nodal finite element discretization converges to a solution in the L2 norm at the rate C1Δt+C2h2/ϵ2. Here, Δt, h, and ϵ are time step size, mesh size, and the size of the horizon or nonlocal length scale, respectively. Constants C1 and C2 are independent of h …
Defect Bound States In The Continuum Of Bilayer Electronic Materials Without Symmetry Protection, Daniel Massatt, Stephen P. Shipman, Ilya Vekhter, Justin H. Wilson
Defect Bound States In The Continuum Of Bilayer Electronic Materials Without Symmetry Protection, Daniel Massatt, Stephen P. Shipman, Ilya Vekhter, Justin H. Wilson
Faculty Publications
We analyze a class of bound defect states in the continuum electronic spectrum of bilayer materials, which emerge independent of symmetry protection or additional degrees of freedom. Taking graphene as a prototypical example, our comparative analysis of AA- and AB-stacked bilayer graphene demonstrates that these states originate from the intrinsic algebraic structure of the tight-binding Hamiltonian when trigonal warping is neglected rather than any underlying symmetry. The inclusion of trigonal warping and higher-order hoppings broadens the bound states into long-lived resonances. This discovery provides a distinct pathway to defect and band-structure engineering. We conclude with a proposed protocol for observing …
Orbifolds And Minimal Modular Extensions, Chongying Dong, Siu Hung Ng, Li Ren
Orbifolds And Minimal Modular Extensions, Chongying Dong, Siu Hung Ng, Li Ren
Faculty Publications
Let V be a simple vertex operator algebra and G a finite automorphism group of V such that VG is regular, and the conformal weight of any irreducible g-twisted V-module N for g∈G is nonnegative and is zero if and only if N=V. It is established that if V is holomorphic, then the VG-module category CVG is a minimal modular extension of E=Rep(G), and is equivalent to the Drinfeld center Z(VecGα) as modular tensor categories for some α∈H3(G,S1) with a canonical embedding of E. Moreover, the collection Mv(E) of equivalence …
Extragalactic Magnetar Giant Flare Grb 231115a: Insights From Fermi /Gbm Observations, Aaron C. Trigg, Rachael Stewart, Alex Van Kooten, Eric Burns, Matthew G. Baring, Dmitry D. Frederiks, Daniela Huppenkothen, Brendan O-Connor, Oliver J. Roberts, Zorawar Wadiasingh, George Younes, Narayana Bhat, Michael S. Briggs, Malte Busmann, Adam Goldstein, Daniel Gruen, Lei Hu, Chryssa Kouveliotou, Michela Negro, Antonella Palmese, Arno Riffeser, Lorenzo Scotton, Dmitry S. Svinkin, Peter Veres, Raphael Zöller
Extragalactic Magnetar Giant Flare Grb 231115a: Insights From Fermi /Gbm Observations, Aaron C. Trigg, Rachael Stewart, Alex Van Kooten, Eric Burns, Matthew G. Baring, Dmitry D. Frederiks, Daniela Huppenkothen, Brendan O-Connor, Oliver J. Roberts, Zorawar Wadiasingh, George Younes, Narayana Bhat, Michael S. Briggs, Malte Busmann, Adam Goldstein, Daniel Gruen, Lei Hu, Chryssa Kouveliotou, Michela Negro, Antonella Palmese, Arno Riffeser, Lorenzo Scotton, Dmitry S. Svinkin, Peter Veres, Raphael Zöller
Faculty Publications
Magnetar giant flares (MGFs) are the extremely short, energetic transients originating from highly magnetized neutron stars. When observed in nearby galaxies, these rare events are nearly indistinguishable from cosmological short gamma-ray bursts. We present the analysis of GRB 231115A, a candidate extragalactic MGF observed by Fermi/GBM and localized by INTEGRAL to the starburst galaxy M82. This burst exhibits distinctive temporal and spectral characteristics, including a short duration and a high peak energy, consistent with known MGFs. Time-resolved analysis reveals rapid spectral evolution and a clear correlation between luminosity and spectral hardness, providing robust evidence of relativistic outflows. Archival Chandra data …
Refining A Chain Theorem From Matroids To Internally 4-Connected Graphs, Chanun Lewchalermvongs, Guoli Ding
Refining A Chain Theorem From Matroids To Internally 4-Connected Graphs, Chanun Lewchalermvongs, Guoli Ding
Faculty Publications
Graph theory and matroid theory are interconnected with matroids providing a way to generalize and analyze the structural and independence properties within graphs. Chain theorems, vital tools in both matroid and graph theory, enable the analysis of matroid structures associated with graphs. In a significant contribution, Chun, Mayhew, and Oxley [2] established a chain theorem for internally 4-connected binary matroids, clarifying the operations involved. Our research builds upon this by specifying the matroid result to internally 4-connected graphs. The primary goal of our research is to refine this chain theorem for matroids into a chain theorem for internally 4-connected graphs, …
Butterfly Species Vary In Sex-Specific Sodium Accumulation From Larval Diets, Luis Y. Santiago-Rosario, Alexander M. Shephard, Emilie Snell-Rood, Achim D. Herrmann, Kyle E. Harms
Butterfly Species Vary In Sex-Specific Sodium Accumulation From Larval Diets, Luis Y. Santiago-Rosario, Alexander M. Shephard, Emilie Snell-Rood, Achim D. Herrmann, Kyle E. Harms
Faculty Publications
Sodium is essential for animals, and its heterogeneous distribution can cause a range of phenomena, from sodium-seeking behaviours to impacting their performance. Although sodium content in soils and plants is relatively well documented, data for higher trophic levels are limited. Knowledge of the variation in sodium in lower trophic levels could have implications for understanding the behaviour and physiology of species at higher levels. We investigated the variation in tissue sodium concentration between males and females of four butterfly species. Puddling behaviour of Lepidoptera suggests sodium needs of males are generally greater than females, thus, we predicted males would accumulate …
Increased Expression Of The Small Lysosomal Gene Svip In The Drosophila Gut Suppresses Pathophysiological Features Associated With A High-Fat Diet, Brennan M. Mercola, Tatiana V. Villalobos, Jocelyn E. Wood, Ankita Basu, Alyssa E. Johnson
Increased Expression Of The Small Lysosomal Gene Svip In The Drosophila Gut Suppresses Pathophysiological Features Associated With A High-Fat Diet, Brennan M. Mercola, Tatiana V. Villalobos, Jocelyn E. Wood, Ankita Basu, Alyssa E. Johnson
Faculty Publications
Lysosomes are digestive organelles that are crucial for nutrient sensing and metabolism. Lysosome impairment is linked to a broad spectrum of metabolic disorders, underscoring their importance to human health. Thus, lysosomes are an attractive target for metabolic disease therapies. In previous work, we discovered a novel class of tubular lysosomes that are morphologically and functionally distinct from traditionally described vesicular lysosomes. Tubular lysosomes are present in multiple tissues, are broadly conserved from invertebrates to mammals, are more proficient at degrading autophagic cargo than vesicular lysosomes, and delay signs of tissue aging when induced ectopically. Thus, triggering tubular lysosome formation presents …
A New Error Analysis For Finite Element Methods For Elliptic Neumann Boundary Control Problems With Pointwise Control Constraints, Susanne C. Brenner, Li Yeng Sung
A New Error Analysis For Finite Element Methods For Elliptic Neumann Boundary Control Problems With Pointwise Control Constraints, Susanne C. Brenner, Li Yeng Sung
Faculty Publications
We present a new error analysis for finite element methods for a linear-quadratic elliptic optimal control problem with Neumann boundary control and pointwise control constraints. It can be applied to standard finite element methods when the coefficients in the elliptic operator are smooth and also to multiscale finite element methods when the coefficients are rough.
Beyond Water Surface Profiles: A New Iterative Methodology For 2d Model Calibration In Rivers Using Velocity Data From Multiple Cross-Sections, Fabian Rivera-Trejo, Gabriel Soto-Cortes, Kory M. Konsoer, Eddy J. Langendoen, Gaston Priego-Hernandez
Beyond Water Surface Profiles: A New Iterative Methodology For 2d Model Calibration In Rivers Using Velocity Data From Multiple Cross-Sections, Fabian Rivera-Trejo, Gabriel Soto-Cortes, Kory M. Konsoer, Eddy J. Langendoen, Gaston Priego-Hernandez
Faculty Publications
Observed longitudinal water-surface profiles are commonly used to calibrate river hydrodynamic models, relying on assumptions of lateral uniformity in water surface elevation and velocity distribution. While suitable for 1D models, this approach has limitations in regard to 2D model calibration. When 2D flow measurements are available, a more robust quantitative evaluation is necessary to assess model accuracy. This study introduces a novel methodology to improve 2D model calibration and evaluate performance. High-resolution bathymetric and hydrodynamic data collected with a multibeam echosounder (MBES) and acoustic Doppler current profiler (ADCP) were aligned to compare observed and simulated flow velocities at matching spatial …
Earliest Ancient Maya Salt Production In Southern Belize: Excavations At Jay-Yi Nah, Heather Mckillop, E. Cory Sills
Earliest Ancient Maya Salt Production In Southern Belize: Excavations At Jay-Yi Nah, Heather Mckillop, E. Cory Sills
Faculty Publications
Salt works along the Yucatan coasts of Mexico and Belize provide a record of salt production for inland trade during the height of Late Classic Maya civilisation (AD 550-800). At the Paynes Creek Salt Works in Belize, production focused on the creation of salt cakes by boiling brine in pots supported over fires in dedicated salt kitchens. Underwater excavations at the Early Classic (AD 250-550) site of Jay-yi Nah now indicate there was a longer and evolving tradition of salt making in the area, one that initially employed large, incurved bowls to meet local or down-the-line trade needs before inland …