Results 61 to 70 of about 718 (189)
A Matrix Pencil Approach to the Morgan’s Problem
Circuits, Systems, and Signal ProcessingThe problem of decoupling a nonsquare state space system by state feedback with singular input transformation is considered. The problem is solved by conducting a finite search for decouplable square systems, appropriately derived from the original. Decoupling feedback on any of these systems defines the decoupling feedback for the original.
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Journal of Personality, EarlyView.ABSTRACT Objective Empirical evidence suggests that perfectionism significantly influences emotion regulation; however, longitudinal data on this relation is still scarce. Hence, the current three‐wave longitudinal study's purpose was to investigate the interplay between perfectionism and emotion regulation both at the group level, as well as at the ...
Diana Vois +2 more
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, 2005 In this paper, basic properties of projector sequences for matrix pairs which can be used for analyzing differential algebraic systems are collected.
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Dynamic Interactions Between Daily Emotional Processing and Sleep Quality in Emerging Adults
Journal of Sleep Research, EarlyView.Graphical overview of the study examining within‐person (daily) and between‐person (weekly) associations between emotional processes and subsequent sleep quality in emerging adults. ABSTRACT Poor sleep quality is related to difficulties in regulating emotions and to mental health issues in emerging adults.
Alexander Ariu +3 more
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On eigenvalue variations of rayleigh quotient matrix pencils of a definite pencil
Linear Algebra and its Applications, 1994 The main purpose of this paper is to improve the result for the spectral norm cited by \textit{J. Sun} [Linear Algebra Appl. 139, 253-267 (1990; Zbl 0711.15009)]. Also, bounds in Frobenius norms and in general unitarily invariant norms are presented.
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On the Equivalence of Two Singular Matrix Pencils [PDF]
Proceedings of the Edinburgh Mathematical Society, 1936 In a recent paper Turnbull, discussing a rational method for the reduction of a singular matrix pencil to canonical form, has shown how the lowest row, or column, minimal index may be determined directly without reducing the pencil to canonical form. It is the purpose of this note to show how all such indices may be determined, and at the same time to ...
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Cognitive Testing Practices for Basic Military Training in the Nordic Countries: A Scoping Review
Scandinavian Journal of Psychology, EarlyView.ABSTRACT The Nordic countries have a long tradition of using general mental ability (GMA) tests as part of their military conscription process, a practice that began in the mid‐20th century. These Nordic tests were developed with a dual purpose—to filter out individuals unfit for military service and to rank individuals' GMA for military roles—and they
Emelie Wahlkrantz, Jeanette Melin
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The Grammatical Structure of Scientific Revolutions
Theoria, EarlyView.ABSTRACT In this article, I examine the structural parallels between Thomas Kuhn's philosophy of science and Ludwig Wittgenstein's later thought, focusing on the idea of grammatical frameworks. My central claim is that Kuhn's concept of paradigm and its later, more language‐centred forms in his philosophy can be read as a Wittgensteinian grammatical ...
Umut Morkoç
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Rational points on even‐dimensional Fermat cubics
Transactions of the London Mathematical Society, Volume 13, Issue 1, December 2026.Abstract We show that even‐dimensional Fermat cubic hypersurfaces are rational over any field of characteristic not equal to three, by constructing explicit rational parameterizations with polynomials of low degree. As a byproduct of our rationality constructions, we obtain estimates for the number of their rational points over a number field and ...
Alex Massarenti
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Power and Loneliness: The Role of Cultural Values
International Journal of Psychology, Volume 61, Issue 5, October 2026.ABSTRACT Loneliness–the subjective, unpleasant state of social disconnectedness–has long been recognised as a public health concern and is estimated to affect 16% of the global population. There is some evidence for the social benefits of power in protecting one from loneliness, but theories and evidence remain inconsistent.
Hodar Lam +7 more
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