Results 121 to 130 of about 2,932 (231)

On the Temporal Variability of Precipitation in Iraq: Arid‐Wet Years and Extreme Events

open access: yesInternational Journal of Climatology, Volume 46, Issue 7, 15 June 2026.
Daily and monthly precipitation data in Iraq display high seasonal to interdecadal variability, with arid and wet years that have very distinct seasonal cycles. Monthly rainfall is significantly correlated with the Indian Ocean Dipole. Extreme events are identified and classified as belonging to four different weather patterns, allowing to obtain daily
Ali Raheem Al‐Nassar   +2 more
wiley   +1 more source

Characterizations of nuclearity in Fréchet spaces

open access: yesJournal of Functional Analysis, 1980
AbstractWe extend the result of A. Bellow (Proc. Nat. Acad. Sci. USA73, No. 6 (1976), 1798–1799) on the characterization of finite-dimensional Banach spaces, to a characterization of nuclearity for Fréchet spaces. Those spaces are nuclear iff every Pettis-bounded and Pettis-uniformly integrable amart is mean convergent.
openaire   +3 more sources

P-FRECHET-URYSOHN PROPERTY OF FUNCTION-SPACES

open access: yes, 1994
In this paper, we study the p-Frechet-Urysohn property of function spaces, for p is-an-element-of beta(omega)\omega. We prove that C(pi)(X) is p-Frechet-Urysohn if and only if X has (gamma(p)), where (gamma(p) is the natural p-version of property (gamma)
Tamariz, A, GarcíaFERREIRA, S
core  

Metric and Path-Connectedness Properties of the Frechet Distance for Paths and Graphs

open access: yes, 2023
The Frechet distance is often used to measure distances between paths, with applications in areas ranging from map matching to GPS trajectory analysis to handwriting recognition.
Wenk, Carola   +4 more
core  

Systematic approach to nonlinear filtering associated with aggregation operators. Part 2. Frechet MIMO-filters [PDF]

open access: yes, 2017
Median filtering has been widely used in scalar-valued image processing as an edge preserving operation. The basic idea is that the pixel value is replaced by the median of the pixels contained in a window around it.
Labunets, V. G., Osthaimer, E.
core  

Frechet spaces of non-archimedean valued continuous functions [PDF]

open access: yes, 2012
Let $X$ be an ultraregular space and let $K$ be a complete non-archimedean non-trivially valued field. Assume that the locally convex space $E$ = $C_c(X;K)$ of all continuous functions from $X$ to $K$ with the topology of uniform convergence on ...
Śliwa, Wiesław
core  

A Hahn-Jordan decomposition and Riesz-Frechet representation theorem in Riesz spaces

open access: yes, 2022
We give a Hahn-Jordan decomposition in Riesz spaces which generalizes that of [{{\sc B. A. Watson}, {An And\^o-Douglas type theorem in Riesz spaces with a conditional expectation,} {\em Positivity,} {\bf 13} (2009), 543 - 558}] and a Riesz-Frechet ...
Kuo, Wen-Chi   +2 more
core  

FRECHET MEANS OF RIEMANNIAN DISTANCES: EVALUATIONS AND APPLICATIONS

open access: yes, 2014
The space of symmetric positive definite matrices forms a manifold with an ambient is Euclidean space. In order to measure the distances between the objects on this manifold several metrics have been proposed.
Razeghi Jahromi, Mehdi
core  

Dependence of eigenvalue of Sturm-Liouville problem with singular potential and eigenparameter-dependent boundary conditions(边界条件含有谱参数的奇异Sturm-Liouville算子特征值的依赖性)

open access: yesZhejiang Daxue xuebao. Lixue ban
In this paper, we study the dependence of eigenvalue of Sturm-Liouville operator with distributed potential function and prove the continuous dependence of eigenvalue branch by establishing boundary condition space and constructing embedded mapping ...
仲林路(ZHONG Linlu)   +1 more
doaj   +1 more source

Frechet distance based approach for searching online handwritten documents

open access: yes, 2007
We propose a novel, language-neutral approach for searching online handwritten text using Frechet distance. Online handwritten data, which is available as a time series (x,y,t), is treated as representing a parameterized curve in two-dimensions and ...
Bhattacharyya, Chiranjib   +2 more
core  

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