Results 11 to 20 of about 1,745,817 (304)
Distributions of statistics on separable permutations [PDF]
We derive functional equations for distributions of six classical statistics (ascents, descents, left-to-right maxima, right-to-left maxima, left-to-right minima, and right-to-left minima) on separable and irreducible separable permutations. The equations are used to find a third degree equation for joint distribution of ascents and descents on ...
Joanna N. Chen +2 more
core +10 more sources
Isotone Optimization in R: Pool-Adjacent-Violators Algorithm (PAVA) and Active Set Methods [PDF]
In this paper we give a general framework for isotone optimization. First we discuss a generalized version of the pool-adjacent-violators algorithm (PAVA) to minimize a separable convex function with simple chain constraints.
Jan de Leeuw, Kurt Hornik, Patrick Mair
doaj +2 more sources
The Möbius function of separable and decomposable permutations [PDF]
We give a recursive formula for the Moebius function of an interval $[\sigma,\pi]$ in the poset of permutations ordered by pattern containment in the case where $\pi$ is a decomposable permutation, that is, consists of two blocks where the first one ...
Jelínek, Vít +3 more
core +4 more sources
Analytic Models for Separable Statistical Multiplexing [PDF]
We investigate a multiplexing scheme for ATM that statistically multiplexes VCs of the same service, but does not statistically multiplex across services. The scheme is implemented by allocating bandwidth to each service. In the static version, the allocations are fixed; in the dynamic version, the allocations depend on the numbers of VCs in progress ...
Keith W. Ross, Véronique Vèque
openaire +2 more sources
Towards Separating Computational and Statistical Differential Privacy
Computational differential privacy (CDP) is a natural relaxation of the standard notion of (statistical) differential privacy (SDP) proposed by Beimel, Nissim, and Omri (CRYPTO 2008) and Mironov, Pandey, Reingold, and Vadhan (CRYPTO 2009). In contrast to SDP, CDP only requires privacy guarantees to hold against computationally-bounded adversaries ...
Badih Ghazi +4 more
openaire +3 more sources
Convex optimization now plays an essential role in many facets of statistics. We briefly survey some recent developments and describe some implementations of these methods in R .
Roger Koenker, Ivan Mizera
doaj +1 more source
Obtaining the number of plants is the key to evaluating the effect of maize mechanical sowing, and is also a reference for subsequent statistics on the number of missing seedlings.
Jiaxin Gao, Feng Tan, Jiapeng Cui, Bo Ma
doaj +1 more source
Distribution of density matrices at fixed purity for arbitrary dimensions
Uniformly sampling quantum density matrices has been demonstrated for a long time [Mezzadri, Notices AMS 54, 592 (2007), Życzkowski, J. Math. Phys. 52, 062201 (2011)0022-248810.1063/1.3595693] and is a valuable tool in the analysis and testing of quantum
Paul M. Alsing +4 more
doaj +1 more source
Spartina alterniflora (S. alterniflora) after introduced to China, has rapidly expanded along the coastline and become one of the top invasive plants in coastal wetland.
Ronglong Xu, Siqing Zhao, Yinghai Ke
doaj +1 more source
DP-YOLO: A Lightweight Real-Time Detection Algorithm for Rail Fastener Defects
To enable accurate and efficient real-time detection of rail fastener defects under resource-constrained environments, we propose DP-YOLO, an advanced lightweight algorithm based on YOLOv5s with four key optimizations.
Lihua Chen +3 more
doaj +1 more source

