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Search Results: 1 - 10 of 608 matches for " Anette Wr?lsen "
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Rigid objects in higher cluster categories
Anette Wrlsen
Mathematics , 2007,
Abstract: We study maximal $m$-rigid objects in the $m$-cluster category $\mathcal C_H^m$ associated with a finite dimensional hereditary algebra $H$ with $n$ nonisomorphic simple modules. We show that all maximal $m$-rigid objects in these categories have exactly $n$ nonisomorphic indecomposable summands, and that any almost complete $m$-rigid object in $\mathcal C_H^m$ has exactly $m+1$ nonisomorphic complements. We also show that the maximal $m$-rigid objects and the $m$-cluster tilting objects in these categories coincide, and that the class of finite dimensional algebras associated with maximal $m$-rigid objects is closed under certain factor algebras.
Finding a cluster-tilting object for a representation finite cluster-tilted algebra
Marco Angel Bertani-?kland,Steffen Oppermann,Anette Wrlsen
Mathematics , 2009,
Abstract: We provide a technique to find a cluster-tilting object having a given cluster-tilted algebra as endomorphism ring in the finite type case.
Graded mutation in cluster categories coming from hereditary categories with a tilting object
Marco Angel Bertani-?kland,Steffen Oppermann,Anette Wrlsen
Mathematics , 2010,
Abstract: We present a graded mutation rule for quivers of cluster-tilted algebras. Furthermore, we give a technique to recover a cluster-tilting object from its graded quiver in the cluster category of coh $\mathbb{X}$.
Constructing tilted algebras from cluster-tilted algebras
Marco Angel Bertani-?kland,Steffen Oppermann,Anette Wrlsen
Mathematics , 2009, DOI: 10.1016/j.jalgebra.2010.02.026
Abstract: Any cluster-tilted algebra is the relation extension of a tilted algebra. We present a method to, given the distribution of a cluster-tilting object in the Auslander-Reiten quiver of the cluster category, construct all tilted algebras whose relation extension is the endomorphism ring of this cluster-tilting object.
Diyarbak r'daki Geleneksel Konut Mimarisinde Süsleme Anlay s //// Decoration in Traditional Residential Architecture in Diyarbakir Province
lsen Ba?
History Studies : International Journal of History , 2010,
Abstract: Bat ve do uyu birbirine ba layan bir güzergahta yer almas nedeniyle a lar boyu farkl kültürleri i inde bar nd ran Diyarbak r’da bud nemlere ait zengin bir maddi kültürel birikim olusmustur. Bu birikimi erisinde 18.-19. yüzy llara ait tarihi konutlar nemli bir grubuolusturmaktad r. Mimari zellikleri bak m ndan Anadolu’nun farkl y releriyle paralellikler g steren konutlar, süsleme anlay slar y nüylekendine zgü anlay s ve zümleme abalar yla dikkat ekmektedir.Tas, ahsap, al , maden gibi farkl malzemeler üzerinde de isiktekniklerle olusturulan süslemeler Diyarbak r’ n Osmanl d nemi resmisanat anlay s d s nda, halk n sosyal yasam n n da bi imlendirdi i vey resel olan n a r bast bir sanatsal be eniyi yans tmalar bak m ndan nem tas maktad r. //// Located on the route that connect the west and east, having beenembracing different cultures throughout the centuries, Diyarbak r has arich accumulation of material culture of those periods. Within thisaccumulation, historical residents of 18th and 19th century constituteand important group. The residents show some parallelism with to thosein different places of Anatolia with their architectural characteristics. Theresidents are interesting in terms of decorations which have its ownunderstanding and efforts for analysis The decorations in Diyarbak rare made using various materials such as stone, wood, plaster andmines. These decorations are important because apart from theunderstanding of art in Ottoman Era, these decorations reflect the artistic taste with dominant local patterns that was also shaped by thesocial life of the people.
Gelenek ve Gelecek Aras nda S k an Bir Tarihi Kent: B TL S/// A H stor cal City Caught Between Tradition and Future: Bitlis
lsen BA?
History Studies : International Journal of History , 2010,
Abstract: Bitlis is one of the historical cities in Anatolia. In parallel to the process the city experienced in the past, Bitlis has a rich cultural potential. The fact that original historical fabric of the city is used from the time is it was established, causes the changing lifestyle outgrow within this fabric and points to some problems in transfer of the exiting fabric to the future by protecting the past fabric. Despite the problems experienced, the value of the existing cultural legacy of the city should be immediately understood. There are many multifaceted negative factors that deteriorate and destroy the fabric of the city. It should be believed that Bitlis can reach the standards of modern life without damaging the fabric of the city. Negative factors should be identified and correctly analyzed, the properties that survived until today should be correctly transferred to the future.
Prof. Dr. Naci Bor - a man chasing curiosity
lsen ?ner
Anadolu Kardiyoloji Dergisi , 2012,
Abstract:
Uzaktan E itim Sisteminde S nav Hizmetleri ve Kitaplar n Da t m nda Sa lanan Lojistik Destek ve Anadolu üniversitesi rne i
lsen Serap ?EKEROL
Selcuk Universitesi Sosyal Bilimler Enstitusu Dergisi , 2012,
Abstract: Although logistics is known to play an important role in many sectors, its place in educational systems has not been examinedin detail yet. It is true that education and learning activities require large scale and effective organizations, and logistics play animportant role in this organization. As for distance education programs, such a logistic support is crucial for the sustainability ofthe system due to the lack of face to face education and interaction.When the system is evaluated in terms of logistics, multiple choice tests administered across the country are known to requirea well-designed and effective logistic support. The exams in the system are administered three times a year in four sessions in 81cities, 7213 buildings, 118.610 classrooms by 315.325 people officially assigned for this organization.As for the distribution of exam documents across the country, 29 distribution routes are determined, twenty seven of whichuse land transportation and the other two a combination of land and air transportation. Some of the cities located on these routesare determined as “transfer centers”. The exams for the students living in Western Europe are administered through thecollaboration with educational consultancies and attachés located in six countries and twelve centers.The course books are a significant component of the system and they are distributed via a well-organized system. In 2009-2010 academic year, a total of 5.5 million copies of 382 different course books were published. To ensure an effective distributionof these course books, a distribution plan are prepared in which outsourcing is used for shipping, and the shipping companyfollow the distribution route according to a predetermined time schedule.The attitudes of students towards distribution services for exam documents and course books are one of the best criteria toassess the success of the system. Considering this situation, the researcher prepared a survey and administered it to 1359 studentsand the data obtained were analyzed statistically.The survey is composed of two parts. The first part involves questions to obtain demographic data from the subjects and thesecond part the items to determine logistic service satisfaction level of the subjects.Through the analyses of the findings from the survey, the relationship between demographic variables and exam documentsand the points showing students’ attitudes towards course books distribution services were searched.The results of the survey show that the students enrolled in open and distance education system are generally satisfied withlo
Evolution of aromatase inhibitors as an endocrine treatment for breast cancer
WR Miller
Breast Cancer Research , 2006, DOI: 10.1186/bcr1546
Abstract:
Inverting the organisational pyramid
WR Hendee
Biomedical Imaging and Intervention Journal , 2007, DOI: 10.2349/biij.3.3.e29
Abstract:
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