نتایج جستجو برای: biorhythmic cycles

تعداد نتایج: 90337  

2014
Summer B. Thyme Yifan Song T. J. Brunette Mindy D. Szeto Lara Kusak Philip Bradley David Baker

We describe the identification and characterization of novel homing endonucleases using genome database mining to identify putative target sites, followed by high throughput activity screening in a bacterial selection system. We characterized the substrate specificity and kinetics of these endonucleases by monitoring DNA cleavage events with deep sequencing. The endonuclease specificities revea...

2002
Stefan Dobrev Paola Flocchini Rastislav Kralovic Giuseppe Prencipe Peter Ruzicka Nicola Santoro

Mobile agents operating in networked environments face threats from other agents as well as from the hosts (i.e., network sites) they visit. A black hole is a harmful host that destroys incoming agents without leaving any trace. To determine the location of such a harmful host is a dangerous but crucial task, called black hole search. The most important parameter for a solution strategy is the ...

2017
Shodhan Rao

In this paper, we prove the global asymptotic stability of a class of mass action futile cycle networks which includes a model of processive multisite phosphorylation networks. The proof consists of two parts. In the first part, we prove that there is a unique equilibrium in every positive compatibility class. In the second part, we make use of a piecewise linear in rates Lyapunov function in o...

2007
Kevin Buchin Maike Buchin Erik D. Demaine Martin L. Demaine Dania El-Khechen Sándor P. Fekete Christian Knauer André Schulz Perouz Taslakian

We analyze the computational complexity of various rolling cube puzzles.

Journal: :Electr. J. Comb. 2016
Nichole L. Schimanski John S. Caughman IV

A partial orthomorphism of a group G (with additive notation) is an injection π : S → G for some S ⊆ G such that π(x) − x 6= π(y) − y for all distinct x, y ∈ S. We refer to |S| as the size of π, and if S = G, then π is an orthomorphism. Despite receiving a fair amount of attention in the research literature, many basic questions remain concerning the number of orthomorphisms of a given group, a...

2014
Ulrike Braeckman Carl Van Colen Katja Guilini Dirk Van Gansbeke Karline Soetaert Magda Vincx Jan Vanaverbeke Kay C. Vopel

Research so far has provided little evidence that benthic biogeochemical cycling is affected by ocean acidification under realistic climate change scenarios. We measured nutrient exchange and sediment community oxygen consumption (SCOC) rates to estimate nitrification in natural coastal permeable and fine sandy sediments under pre-phytoplankton bloom and bloom conditions. Ocean acidification, a...

2010
Miles Eli Jones Jeffrey Remmel

In this paper, we study pattern matching conditions in the cycle structures of permutations. We develop methods to find the joint distribution of the number of cycles and the number of cycle descents over the set of permutations in the symmetric group Sn which have no cycle occurrences or no consecutive cycle occurrences of a given pattern or set of patterns. Our methods also allow us to refine...

2007
Ruei-Yu Wu Gen-Huey Chen Gerard J. Chang Jung-Sheng Fu

The hierarchical hypercube network is suitable for massively parallel systems. The number of links in the hierarchical hypercube network forms a compromise between those of the hypercube and the cube-connected cycles. Recently, some interesting properties of the hierarchical hypercube network were investigated. Since the hierarchical hypercube is bipartite. A bipartite graph is bipancyclic if i...

2016
Seoung Min Bong Kka-bi Son Seung-Won Yang Jae-Won Park Jea-Won Cho Kyung-Tae Kim Hackyoung Kim Seung Jun Kim Young Jun Kim Byung Il Lee

[This corrects the article DOI: 10.1371/journal.pone.0152611.].

Journal: :Eur. J. Comb. 2007
Michael S. Lang Paul Terwilliger

Let Γ denote a Q-polynomial distance-regular graph with diameter D ≥ 4. Assume that the intersection numbers of Γ satisfy ai = 0 for 0 ≤ i ≤ D − 1 and aD 6= 0. We show that Γ is a polygon, a folded cube, or an Odd graph.

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