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Proceedings in Applied Mathematics and Mechanics, Volume 26, Issue 2, June 2026.ABSTRACT In this work, we present an anisotropic multi‐goal error control based on the dual weighted residual (DWR) method for time‐dependent convection–diffusion–reaction (CDR) equations. Motivated by former work, we combine multiple goals to single error functionals with weights chosen as algorithmic parameters.
Markus Bause +5 more
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Boundary Algebra: A Simpler Approach to Boolean Algebra and the Sentential Connectives [PDF]
Boundary algebra [BA] is a algebra of type , and a simplified notation for Spencer-Brown’s (1969) primary algebra. The syntax of the primary arithmetic [PA] consists of two atoms, () and the blank page, concatenation, and enclosure between ‘(‘ and ...
Philip Meguire
core
Sechsundzwanzigster Band: Mai – Dezember 1706
, 2022 Die Monate von Mai bis Dezember 1706 sind geprägt von Ereignissen auf dem diplomatischen Parkett der in der Großen Allianz im Spanischen Erbfolgekrieg verbundenen Höfe wie auf den Kriegsschauplätzen von Spanien bis zum Baltikum.
Leibniz, Gottfried Wilhelm
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Higher Dimensional Leibniz-Rinehart Algebras
Journal of Mathematical Sciences and ModellingIn this article, we delve into the realm of higher dimensional Leibniz-Rinehart algebras, exploring the intricate structures of Leibniz algebroids and their applications.
Mahmut Koçak, Selim Çetin
doaj +1 more source
Entropy as a Metric Generator of Dissipation in Complete Metriplectic Systems
Entropy, 2016 This lecture is a short review on the role entropy plays in those classical dissipative systems whose equations of motion may be expressed via a Leibniz Bracket Algebra (LBA). This means that the time derivative of any physical observable f of the system
Massimo Materassi
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Flow Decomposition by Optimal Balance With Time‐Averaging
Journal of Advances in Modeling Earth Systems, Volume 18, Issue 6, June 2026.Abstract Decomposing oceanic and atmospheric flow fields into their slowly evolving balanced components and fast evolving wave components is essential to study processes like spontaneous or stimulated wave emission. However, a decomposition into the linear geostrophic (slow) and non‐geostrophic (fast) components is often not precise enough to address ...
Silvano Gordian Rosenau +2 more
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Boundary Algebra: A Simple Notation for Boolean Algebra and the Truth Functors [PDF]
Boundary algebra [BA] is a simpler notation for Spencer-Brown’s (1969) primary algebra [pa], the Boolean algebra 2, and the truth functors. The primary arithmetic [PA] consists of the atoms ‘()’ and the blank page, concatenation, and enclosure between ‘(‘
Philip Meguire
core
Einundzwanzigster Band: April – Dezember 1702
, 2012 Mitte Januar 1702 aus Berlin nach Hannover zurückgekehrt, erhält Leibniz bereits Anfang April eine erneute Einladung der preußischen Königin in die Sommerresidenz Lietzenburg.
Leibniz, Gottfried Wilhelm
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Leibniz Algebras Associated to Extensions of sl 2 [PDF]
, 2015 In this work, we investigate the structure of Leibniz algebras whose associated Lie algebra is a direct sum of sl2 and the solvable radical. In particular, we obtain the description of such algebras when: the ideal generated by the squares of elements ...
Gómez Vidal, S. +2 more
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The singularity category and duality for complete intersection groups
Bulletin of the London Mathematical Society, Volume 58, Issue 6, June 2026.Abstract If G$G$ is a finite group, the structure of the modular representation theory depends on the cochains C∗(BG;k)$C^*(BG; k)$, viewed as a commutative ring spectrum. We consider here its singularity category (in the sense of the author and Stevenson [Adv. Math.
J. P. C. Greenlees
wiley +1 more source