نتایج جستجو برای: tor

تعداد نتایج: 7681  

Journal: :Current opinion in plant biology 2015
Yan Xiong Jen Sheen

Nutrient and energy sensing and signaling mechanisms constitute the most ancient and fundamental regulatory networks to control growth and development in all life forms. The target of rapamycin (TOR) protein kinase is modulated by diverse nutrient, energy, hormone and stress inputs and plays a central role in regulating cell proliferation, growth, metabolism and stress responses from yeasts to ...

پایان نامه :دانشگاه تربیت معلم - تبریز - دانشکده علوم پایه 1389

فرض کنید a ,b ایده آلهایی از حلقه نوتری , m ,r- مدولی با تولید متناهی و همچنین a یک r مدول آرتینی باشد brodmann)1979 نشان داد که برای ایده آل i از حلقه r به ازای هر عدد طبیعی n دو دنباله از ایده آلهای اول وابسته برای مدولهای خارج قسمتی خاصی به ازای مقادیر بزرگ n ثابت هستند همچنین shorp)1989دوگان نتیجه فوق را برای مدولهای آرتینی به این صورت نشان داد که هر گاه به ازای مقادیر بزرگ att, ass ,n فانک...

2012
Rob Jansen Nicholas Hopper

Tor is a large and popular overlay network providing both anonymity to its users and a platform for anonymous communication research. New design proposals and attacks on the system are challenging to test in the live network because of deployment issues and the risk of invading users’ privacy, while alternative Tor experimentation techniques are limited in scale, are inaccurate, or create resul...

2009
Chris Arnold Rob Jansen James Parker

In The Onion Router (TOR) system, anonymity is provided by router services run by TOR users who volunteer their computational resources. Scalability concerns stem from the TOR design because volunteers lack an incentive to participate. A payment scheme has been previously introduced which aims at providing economic incentives for volunteers in hopes of increasing both reliability of and partici...

2013
Lenka Hálová Wei Du Sara Kirkham Duncan L. Smith Janni Petersen

TOR (target of rapamycin) signaling coordinates cell growth, metabolism, and cell division through tight control of signaling via two complexes, TORC1 and TORC2. Here, we show that fission yeast TOR kinases and mTOR are phosphorylated on an evolutionarily conserved residue of their ATP-binding domain. The Gad8 kinase (AKT homologue) phosphorylates fission yeast Tor1 at this threonine (T1972) to...

2012
Patrick Lincoln Ian Mason Phillip A. Porras Vinod Yegneswaran Zachary Weinberg Jeroen Massar William Allen Simpson Paul Vixie Dan Boneh

Adversary-resistant communication bootstrapping is a fundamental problem faced by many circumvention (anti-censorship) systems such as Tor. Censoring regimes actively harvest and block published Tor entry points and bridge nodes. More recently, some countries have resorted to reactive (follow-up) probing of the destination hosts of outbound encrypted traffic to identify unpublished Tor nodes. W...

2009
Thomas W. Sturgill Michael N. Hall

TOR (Target of Rapamycin) is a highly conserved Ser/Thr kinase and a central controller of cell growth. Using the crystal structure of the related lipid kinase PI3KCgamma, we built a model of the catalytic region of TOR, from the FAT domain to near the end of the FATC domain. The model reveals that activating mutations in TOR, identified in yeast in a genetic selection for Rheb-independence, co...

2014
Yan Xiong

The target of rapamycin (TOR) kinase, a master regulator that is evolutionarily conserved among yeasts (Saccharomyces cerevisiae), plants, animals, and humans, integrates nutrient and energy signaling to promote cell proliferation and growth. Recent breakthroughs made possible by integrating chemical, genetic, and genomic analyses have greatly increased our understanding of the molecular functi...

2015
F. Rochet O. Pereira O. Bonaventure

In this paper, we show how multiple-path in the transport layer could be used to increase performance and anonymity of the Tor network. The balance between anonymity and performance when creating circuit is a key to improve the situation regarding the well-known problem of end-to-end traffic correlation attack by relay adversaries. We show that the current Tor path selection algorithm heavily b...

Journal: :Journal of the London Mathematical Society 2022

Let $R=\Bbbk[x_1,\dots,x_n]$ be a polynomial ring over field $\Bbbk$ and let $I\subset R$ monomial ideal preserved by the natural action of symmetric group $\mathfrak S_n$ on $R$. We give combinatorial method to determine S_n$-module structure $\mathrm{Tor}_i(I,\Bbbk)$. Our formula shows that $\mathrm{Tor}_i(I,\Bbbk)$ is built from induced representations tensor products Specht modules associat...

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