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Showing 1 to 13 of 13 for “"Linear Extension"”.
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A Random-Linear-Extension Test Based on Classic Nonparametric Procedures
… information about the ranks available. A random-linear-extension exact test and an empirical version of the random-linear-extension test are proposed as a new way to compare groups of data with partial orders. The basic computation procedure is to generate all possible permutations constrained by …
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Contributions on secretary problems, independent sets of rectangles and related problems
… studied is the jump number problem. Consider a linear extension L of a poset P. A jump is a pair of consecutive elements in L that are not comparable in P. Finding a linear extension minimizing the number of jumps is NP-hard even for chordal bipartite posets. For the class of posets having two …
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Implementation of Bivariate Unspanned Stochastic Volatility Models
… implement an Unscented Kalman filter — a non-linear extension of the Kalman filter, which is a popular method for inferring state variable values — to recover the latent state variables from market observable data
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Polar Coding in Certain New Transmission Environments
… sets using an explicit construction for the Linear Extension Diameter of channel entropies.
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Non-Hermitian topological states in photonic systems
… non-Hermitian photonic system. I consider a non-linear extension to this notion for a complex wave equation describing lasing elements with saturable gain. I show that beyond the categorisation of topological stationary-states, which continue from the underlying linear system, new …
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The book embedding of ordered sets
… problems whose objective is to determine a linear layout in such way that a certain objective cost is optimized. In a book embedding for an ordered set, the elements are embedded on the spine of the book to form a linear extension. The pagenumber is the minimum number of pages needed to draw …
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Topics in harmonic analysis and partial differential equations: extension theorems and geometric maximum principles
… original work of Whitney in 1934 and yields a linear extension operator. A similar extension result is also proved in the absence of the geometrically doubling hypothesis, albeit the resulting extension procedure is nonlinear in this case. The results presented in this part are based upon work …
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Implementation of a non-linear eddy viscosity turbulence model into Hydra-TH for fuel related applications
A quadratic [kappa]-[epsilon]non-linear eddy viscosity model (NLEVM) has been implemented into Hydra-TH, a Computational Fluid Dynamics (CFD) software being developed to support the nuclear reactor thermal-hydraulics modeling and simulation needs of the CASL program. This model adopts a non-linear …
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Biology of Fungi on Plants in the Sub-Antarctic
… be detected of freeze-thaw cycles upon leakage. Linear extension of Botrytis cinerea was inhibited by volatile factors released from other colonies, and hyphae of ‘this’ fungus were often observed to grow helically around hyphae of Chaetophoma and Cladosporium sphaerospermum.
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Kac's random walk and coupon collector's process on posets
… classical Dixie Cup problem. We also prove the linear growth of the expectation for posets whose number of chains grows at most exponentially with respect to the maximal length of a chain. Examples of these posets are d-dimensional grids, for which the Poisson process is usually referred as the …
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Comparative Growth Rates of the Extinct Coral Montastraea nancyi: A Dominant Framework Builder in the Pleistocene (MIS 5e) Reefs of Curacao, Netherland Antilles
… the Caribbean. The mean growth rate (mm, annual linear extension) for both windward localities (6.55-15.49 mm/yr, mean 10.77mm/yr) was significantly greater than mean growth rate for both leeward sites (5.18-11.32 mm/yr, mean 8.25 mm/yr). The two windward sites did not differ significantly, nor …
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Planning and optimisation of 4G/5G mobile networks and beyond
… the Shapley value computed using the Owens Multi Linear Extension function. The Memetic-Bee-Swarm Site Location-Allocation Algorithm (MBSSLAA) is inspired by the behaviour of the Memetic algorithm and Bee Swarm Algorithm for site location. Series of System-level simulations and numerical …
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Spatial Control of CDC42 Activation Regulates Cell Width and Growth Zone Formation
… pombe is a rod-shaped cell that grows by linear extension at the cell tips, with a nearly constant width throughout the cell cycle. This simple geometry makes it a good system to study the control of cellular dimensions. Here I used the width of the cell as a model for the control of …