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Math Lab Rooms located in the Main Library in rooms 300X and 300Y
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FAQ

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Who has access to online library databases?
Due to licensing restrictions, off-campus access to databases is generally reserved only for current LSU faculty, staff, and students. On-campus access should be available to anyone connected to the LSU Wireless network. Because public patrons do not have access to LSU Wi-Fi, LSU Library houses a few public access computers in room 241. Non-affiliates and public patrons who are able to visit in person will have full access to databases using these computers. We also have a list of open access databases that should be accessible to everyone from anywhere (see below). The online library catalog is also open to everyone. LSU Libraries | A–Z Databases: Open Access
LSU Libraries | Library Catalog
Related: Can patrons not affiliated with LSU access the campus Wi-Fi network?
Related: Are there computers I can use in the library? Answered by: Access Services Staff
How can I renew my books?
There are three different ways you can renew your LSU Library books:
- In-person: Bring your items to the checkout desk in room 241 of LSU Library. Be sure to bring your TigerCard or public patron ID.
- Online: Log into your online library account (link below) and select the "Checkouts" tab.
- Self-checkout: Renew your items using the self-checkout station in room 141 of LSU Library. Be sure to bring your TigerCard or public patron ID. Please contact the Circulation department with additional questions or concerns: libcirc@lsu.edu (mailto:libcirc@lsu.edu) . LSU Libraries | Library Catalog Account Answered by: Access Services Staff
Why does my library account say that I am blocked, that I am barred, or that my status is expired?
Users can encounter several different types of status messages. Patrons with questions about their account status can visit the checkout desk in room 241 of LSU Library and ask to speak to a staff member. Alternatively, patrons can reach out to us via e-mail at libcirc@lsu.edu (mailto:libcirc@lsu.edu) . When contacting us via e-mail, LSU students, staff, and faculty should message us from their LSU e-mail address; public patrons should message us from the e-mail address we have on file. For privacy reasons, we cannot discuss the details of patron accounts over the telephone. Expired: Students must be currently enrolled in classes in order to be granted library privileges. Once they graduate, or if they fail to register on time in accord with the deadlines posted on LSUs academic calendar, their privileges expire. If they try to log in to their library account after that date, they will see an alert message informing them that their account has expired. Graduate students who have received a masters degree but are continuing on to get their PhD may also have their privileges expire earlier than expected. The library receives weekly updates on student status from the Registrars Office. Once the semester has begun, if students register during the week, their accounts will not be updated and their privileges extended in the system until the following Monday morning. Blocked: Users with overdue recalled books will have their accounts blocked by the system. Their accounts will remain blocked until the book is returned. The system will not permit staff members to override blocks or to renew books that have been recalled. The only way to remove a block from an account is to return the materials. Barred: Users can be barred from using library materials for a number of reasons, the most common being that they have been billed for lost items. They can also be barred if they resign from the university, if their classes are purged, or for flagrant violations of library policy. If they try to log into their account after they have been barred, they will receive an alert message that tells them that they have been barred. Answered by: Access Services Staff
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Database Listing

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Confidential Print: Africa, 1834-1966
The Confidential Print series, issued by the British Government between c. 1820 and 1970, is a fundamental building block for political, social and economic research. The documents in Confidential Print: Africa begin with coastal trading in the early nineteenth century and the Conference of Berlin of 1884 and the subsequent Scramble for Africa. They then follow the abuses of the Congo Free State, fights against tropical disease, Italy’s defeat by the Abyssinians, World War II, apartheid in South Africa and colonial moves towards independence. Together they cover the whole of the modern period of European colonisation of the continent from the British Government’s perspective.
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Staff

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Discovery

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On Some Subclasses of Oriented Catch Digraphs
As an analog of intersection graphs among digraphs, catch digraphs were introduced by Hiroshi Maehara in 1984. Later on, Prisner focused his research on interval catch digraphs, which he identified as diasteroidal triple free digraphs. It has been used to solve a variety of real-world challenges, such as networking, telecommunication operations, traffic control, and location problems. Oriented catch digraphs are those catch digraphs that have exactly one edge direction attached to each edge of the corresponding underlying graph. In this article, we consider two important subclasses of oriented catch digraphs, namely, oriented interval catch digraphs and oriented circular-arc catch digraphs. First, we characterize those oriented interval catch digraphs whose underlying graphs are trees in terms of forbidden subdigraphs. Next, we provide a characterization of connected proper oriented interval catch digraphs whose underlying graphs are chordal, by determining the complete list of forbidden induced subdigraphs. Another interesting result is characterizing oriented circular-arc catch digraphs, which are tournaments.
A new method for predicting wind-driven rain catch ratios on building facades in urban residential areas using machine learning models
The distribution of wind-driven rain on building facades significantly affects their thermal performance and durability. Accurately and efficiently predicting the wind-driven rain catch ratio on wall surfaces is crucial for building performance evaluation. This study proposes a novel computational approach to rapidly predict the wind-driven rain catch ratio on urban building facades. A predictive model was developed using extensive numerical simulations combined with machine learning algorithms. Specifically, the model replaces traditional numerical simulations by learning the influence of wind field characteristics and building geometry on raindrop catch ratios across different sizes. The research results indicate that the machine learning models can effectively substitute conventional simulation methods for wind-driven rain predictions. Notably, the Artificial Neural Network model achieved a prediction accuracy comparable to numerical simulations (RMSE: 0.009, MAE: 0.006) while being over 300 times faster. The inlet wind speed at roof height emerged as the most influential feature, and the model exhibited strong generalization performance across varying wind directions. This method is simple, efficient, and well-suited to support wind-driven rain analysis, experimental measurements, and urban energy consumption studies in residential building contexts.
Effect of studying abroad on catch-up vaccination in young adults: A study using the Japan Pretravel Consultation Registry
Purpose To investigate the effect of studying abroad on catch-up vaccination coverage for measles, rubella, mumps, varicella, and tetanus during the pretravel consultation among young adult travelers.Methods This retrospective cohort study analyzed data from the Japan Pretravel Consultation Registry (J-PRECOR) on individuals aged 18–21 years with childhood vaccination records. Propensity score weighting was used to estimate the average treatment effect on the proportion of participants receiving catch-up vaccination.Results Among 1091 eligible participants, the catch-up vaccination need was highest for mumps (65.7 %) and varicella (49.0 %) and lowest for measles (9.9 %) and rubella (14.0 %). In the unadjusted analysis, the catch-up vaccination rate was 70.6 % for tetanus, 50.9 % for measles, 47.7 % for rubella, 40.0 % for mumps, and 23.9 % for varicella. In the weighted analysis, the study-abroad group had significantly higher catch-up vaccination rates for measles (54.6 % vs. 29.8 %, P = 0.039), rubella (53.0 % vs. 22.1 %, P 
Knowledge and awareness of human papillomavirus (HPV) influence HPV vaccination uptake among the catch-up generation in Japan
Introduction Despite its importance for young women, the human papillomavirus (HPV) vaccination coverage remains low in Japan. Previous studies have examined behaviors related to HPV catch-up vaccination. Uniquely, this study aimed to investigate perceptions and factors influencing vaccination coverage among female university students in the catch-up program, focusing on both medical and non-medical undergraduates.Methods A web-based survey was conducted at Kochi University from January 16 to February 13, 2023, targeting female students born between April 2, 1997, and April 1, 2006. The survey collected demographic data and assessed knowledge of HPV infection, cervical cancer, and preventive measures. Chi-square tests and logistic regression analyses were used to identify differences between vaccinated and unvaccinated groups as well as factors related to HPV vaccination.Results Of the 310 participants, 39.0 % were vaccinated against HPV, 35.2 % were freshmen, and 75.2 % were in medical science programs. HPV vaccination was significantly associated with being in upper years of university (OR = 3.78–42.83), studying medical sciences (OR = 1.93), undergoing cervical cancer screening (OR = 4.04), and receiving free vaccination vouchers (OR = 2.03).Conclusion Knowledge and awareness of HPV and cervical cancer significantly contribute to higher vaccination uptake in the generation receiving catch-up vaccinations. Tailoring information and distributing free vaccination vouchers could enhance HPV vaccination rates and awareness in this group.
Ice angling for northern pike (Esox lucius) with tip ups: Hook style affects angler catch and fish welfare
Catch and release ice angling exposes fish to environments and techniques that differ markedly from those in the open-water season. Accordingly, we studied the influence of quick-strike treble hooks and 0º offset circle hooks on aspects of northern pike (Esox lucius) capture and behaviour using tip-ups during the winter. Based on 221 northern pike captured over three winters, quick strike rigs with multiple hooks had higher catch success, but extended dehooking time and caused more foul hooking. Deep hooking events were infrequent but were most likely to occur when pike were captured on the single treble quick strike rig and circle hook. Camera footage revealed that pike were tentative and appeared to require considerable time to strike. Hook style had no influence on fish behaviour when striking. Our findings suggest that the use of triple treble quick strike rigs may provide benefits to anglers because they hook more and slightly larger fish and do not result in deep-hooking events. Circle hooks caught in the jaw most frequently and were the easiest to remove most of the time; however, they periodically deep-hooked fish, which was unexpected. Ultimately, angler tackle choice will affect their enjoyment of ice angling, and the potential for stress and injury to fish when using tip ups.
Using species-specific behavior to improve catch efficiency of target species in mixed trawl fisheries
Demersal trawl fisheries are increasingly challenged by new and more ambitious gear regulations alongside rising fuel costs. However, knowledge of behavioral differences between species are yet poorly integrated and exploited in commercially operated trawl designs. In the demersal mixed species trawl fishery for Nephrops (Nephrops norvegicus), many fish species are herded by the netting and actively avoid contact with the meshes as opposed to Nephrops, for which most individuals are tumbling along the bottom panel of the gear towards the codend. By reducing the mesh size of the entire lower half of the trawl we reduced the loss of marketable sized Nephrops through the bottom panels significantly by 47.2 % (CI: 33.6–60.2 %) in the North Sea. The unchanged catches of the round fish, cod (Gadus morhua) and hake (Merluccius merluccius) confirm that these species do not come in physical contact with the bottom panel. In contrast, witch flounder (Glyptocephalus cynoglossus) escapes through the bottom panel of the baseline trawl as the treatment gear caught 65.1 % (CI: 39.5–104.9 %) more marketable-sized individuals and 259.7 % (CI: 144.4–459.5 %) more undersized individuals. Our results confirm known species-specific behavior in the forward part of the trawl and demonstrate how this can be exploited with simple design changes to increase the catch efficiency for Nephrops and likely other species without affecting the catches of roundfish. The undersized individuals captured will largely escape through the meshes used in commercial codends.
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