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Weather and Climate Extremes: Simplex, Dynamical Systems and Hull Clustering

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 4, 28 February 2026.
Abstract A novel method is developed and applied to identify high‐dimensional weather and climate extremes located on the envelope of the data set within its state space. The method is based on formulating and integrating dynamical systems whose attractive set, that is, stable fixed points, is constituted of extreme states residing on the convex hull ...
A. Hannachi, K. Finke, N. Trendafilov, D. Monselesan, J. Risbey, C. Chapman, L. Chafik   +6 more
wiley   +1 more source

Mapping Skid Trails and Evaluating Soil Disturbance From UAV‐Based LiDAR Surveys in Mediterranean Forests

Land Degradation &Development, Volume 37, Issue 3, Page 1082-1092, 15 February 2026.
ABSTRACT Soil disturbance resulting from forest harvesting activities can have significant and lasting environmental consequences, particularly in sensitive ecosystems such as Mediterranean forests. Skid trails, the routes used by machinery to extract timber, are among the most critical areas of impact, and their detection is critical for assessing ...
Francesco Latterini, Marcin K. Dyderski, Rodolfo Picchio, Rachele Venanzi, Raffaele Spinelli, Natascia Magagnotti, Janine Schweier, Sunni Kanta Prasad Kushwaha, Nicolò Camarretta, Michael S. Watt   +9 more
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On Associator Ideals in Jordan Algebras

Southeast Asian Bulletin of Mathematics, 2000
In this paper the authors introduce in a Jordan context the concept of associator semisimple. Let \(J\) be a Jordan algebra over a field of characteristic \(0.\) A subspace \(U\) of \(J\) is said to be an associator ideal of \(J\) if \((U,J,J)\subset U,\) for \((\;, \;, \;)\) the associator of \(J.\) If \(U\) is an associator ideal in \(J\) we can ...
Rema, P. S., Sribala, S., Vijayarangan, N.   +2 more
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On Tractability and Ideal Problem in Non-Associative Operator Algebras

Integral Equations and Operator Theory, 2010
The paper centers around the following problem by \textit{W.\,Wojtyński} [Bull.\ Acad.\ Polon.\ Sci.\ 24, 797--801 (1976; Zbl 0356.47015)]: Does every closed Lie algebra of compact quasinilpotent operators on a Banach space contain a non-trivial closed Lie ideal?
Brešar, Matej, Shulman, Victor S., Turovskii, Yuri V.   +2 more
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Fuzzifications of foldness of quasi-associative ideals inBCI-algebras

Journal of Applied Mathematics and Computing, 2003
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Jun, Young Bae, Kim, Kyung Ho
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Lie Ideals in Associative Algebras

Canadian Mathematical Bulletin, 1984
AbstractIt is shown that in a certain extensive class of algebras one can associate with each Lie ideal a corresponding associative ideal which facilitates the study of Lie ideals, especially for simple algebras. We apply this construction to obtain new, simpler proofs of some known results of Herstein [10] and others on the Lie structure of ...
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On Minimal Ideals in Some Banach Algebras Associated with a Locally Compact Group

Journal of the London Mathematical Society, 2001
Let \(G\) be a non-compact locally compact group. The minimal ideals of the group algebra \(L^1(G),\) the measure algebra \(M(G),\) and other Banach algebras (usually larger than \(L^1(G)\) and \(M(G)\)) such as the second dual \(L^{1}(G)^{**}\) of \(L^1(G)\) with an Arens product, or \(LUC(G)^*\) with an Arens-type product, are studied in this paper ...
Baker, J. W., Filali, M.
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Extensions of ideals in associative algebras

Mathematical Proceedings of the Cambridge Philosophical Society, 1959
1. Let A be an associative algebra over a commutative field K; A is then a vector space over K, and multiplication is defined in A in such a way thatfor x, y, z in A and λ in K. We suppose in addition that A does not contain a unit, and we denote by Ae the algebra obtained by adjoining a unit e to A.
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Ideals in the multiplication algebra of a non-associative K-algebra

Communications in Algebra, 1993
For a non-associative K-algebraA, and σ ∊ A there are K Vector space morphisms L σ : A → A and R σ : A → A given ...
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Fuzzy Translations of Fuzzy Associative Ideals in BCI-algebras

British Journal of Mathematics & Computer Science, 2016
The aim of this paper is to introduce the concepts of fuzzy translation to fuzzy associative ideals in BCK/BCI-algebras. Also, the notion of fuzzy extensions and fuzzy multiplications of fuzzy associative ideals with several related properties are investigated.
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