1

490پ

468

كارشناسي ارشد

م

اصفهان : دانشگاه صنعتي اصفهان

1373

[الف ]، هفت ، 91، Iص .

ص. ع. به فارسي و انگليسي

احمد حقاني

فهرست علائم ,فارسي به انگليسي - انگليسي به فارسي

1396/03/16

كتابنامه

م

رياضي

1398/02/30

ID468

حلقه Rرا يك -Vحلقه (چپ ) گوئيم هر گاه هر -Rمدول (چپ ) ساده ، تزريقي باشد. همچنين Rرا يك -Vحلقه تعميم يافته (يا يك -GVحلقه )گوئيم هرگاه هر -Rمدول تكين ساده ، تزريقي باشد. ويلاماير در قضيه اي خواص مشخصه -Vحلقه ها را بيان كرد. همچنين رامامورتي و رانگزومي خواص مشخصه -GVحلقه ها رابصورت چند گزاره هم ارز بيان كردند. در اين رساله برآنيم تا با استفاده از نظريه تاب قضيه هاي بالا را تعميم دهيم . در فصل اول مقدمات مورد نياز از نظريه حلقه ها را با خود همراه خواهيم كرد. در فصل دوم به بررسي خواص مشخصه -Vحلقه ها و -GVحلقه ها پرداخته ، و اين حلقه ها را با حلقه هاي منظم فون نويمان مقايسه مي كنيم . در فصل سوم نظريه تاب را از سه طريق زير بررسي مي كنيم : 1- با استفاده از پيش راديكالها، بعنوان زير تابعگومي از تابعگون هماني 2- بوسيله جفتهاي )T,F(كه در آن F,Tرده هائي از مدولها هستند كه در بنداشتهاي ويژه اي صدق مي كنند. 3- بوسيله فيلترهاي از ايده آلهاي چپ كه عناصر تابدار را پوچ مي كنند. در فصل پاياني با استفاده از نتايج فصلهاي پيشين تعميمي از قضيه هاي ويلاماير و رامامورتي - رانگزومي را مسبت به نظريه هاي تاب بدست مي دهيم . خلاصه مندجات : ...ره توشه اي از نظريه حلقه ها,حلقه ها و حلقه هاي منظم فون نويمان ,نظريه تاب ,حلقه هاي تعميم يافته و نظريه تا...

Library and Information Science in the Big Data Era Funding Projects and Future a panel proposal Cassidy R Sugimoto Ying Ding Mike ThelwallIndiana University Bloomington Indiana University Bloomington University of Wolverhampton School of Lib Info Sci School of Lib Info Sci School of Technology sugimoto@indiana edu dingying@indiana edu thelwall@wlv ac uk form This extends the field from one that principallyABSTRACTThis panel will provide insights into current funding focuses on textual scientific publications to a field thatinitiatives that support Big Data projects in the wake of the examines data created by researchers and the public alike White House commitment to devote $200 million to BigData research Participants in Digging into Data an LIS has been a historically interdisciplinary andinternational Big Data initiative will describe their collaborative field absorbing the knowledge of multipleresearch The panel will then trigger an audience discussion domains and bringing the tools techniques and theories ofon the tools techniques and theories that LIS can bring to LIS to bear on subject specific domains Larivi re Big Data research and the role that the LIS discipline Sugimoto Cronin 2012 This experience with engagingshould play in this new era in interdisciplinary collaboration have made LIS well situated to engage in initiatives such as the Digging into Data program that encourage collaboration for a moreKeywordsBig Data metadata scholarly communication grants holistic understanding of the complex issues surrounding Big Data These collaborations with scholars from the sciences social sciences and humanities have led to greaterTrackInformation advances in creating tools and infrastructures that can support data management across a the spectrum of academic disciplines INTRODUCTIONDigitization initiatives digital research and the social webhave created a situation in which scholars are now gaining One LIS research field that already has experience ofaccess to huge quantities of data on an unprecedented scale dealing with Big Data is Webometrics Almind leading to new research challenges in curation and Ingwersen 1997 Webometric research gathers andprocessing Funding initiatives like Digging into Data analyzes data from the web on a large scale for information Digging Into Data 2012 are now explicitly encouraging science and wider social science purposes Thelwall 2009 researchers to engage in studies that lead to greater In addition to developing software to download web dataunderstanding use and applications of Big Data On and specific methods to analyze it e g link analysis theMarch 29 2012 the Obama Administration announced the field has also developed theories to justify new LIS analysisBig Data Research and Development Initiative To approaches such as information centered researchimplement this six Federal departments and agencies will Thelwall Wouters Fry 2008 This explicitly carves outprovide more than $200 million in new commitments to Big a niche for LIS in large scale data analysis as a kind ofData research Kalil 2012 In response scholars from proactive information librarian identifying appropriatemultiple disciplines and countries are gathering together to research fields for new information sources based upon antackle the issues of this new area initial analysis of its potential The field of Library and Information Science LIS has a LIS scholars have also been involved in standardizationtradition of organizing managing retrieving collecting efforts to advance core technologies and practices todescribing and preserving information While this represent and integrate data including involvement in theinformation was historically in the form of codified Semantic Web community and Linked Open Data LOD scholarly communication genres such as monographs and initiatives Ding 2010 LIS researchers have also been onjournal articles they have now shifted to more inclusive the forefront of social media research gathering th

احمد حقاني