Results 41 to 50 of about 208,586 (219)
Duality for Evolutionary Equations With Applications to Null Controllability
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT We study evolutionary equations in exponentially weighted L2$$ {\mathrm{L}}^2 $$‐spaces as introduced by Picard in 2009. First, for a given evolutionary equation, we explicitly describe the ν$$ \nu $$‐adjoint system, which turns out to describe a system backwards in time. We prove well‐posedness for the ν$$ \nu $$‐adjoint system. We then apply
Andreas Buchinger, Christian Seifert
wiley +1 more source
Konzepte der Lehrerbildung [PDF]
, 2010 Beutelspacher, Albrecht ; Danckwerts, Rainer: Mathematik Neu DenkenHefendehl-Hebeker, Lisa ; Ableitinger, Christoph ; Herrmann, Angela: Mathematik Besser VerstehenReiss, Kristina ; Prenzel, Manfred: Impulse für die Lehramtsausbildung: TUM School of ...
Kramer, Jürg +3 more
core
Mathematical Methods in the Applied Sciences, EarlyView.ABSTRACT We study eigenvalue problems for the de Rham complex on varying three‐dimensional domains. Our analysis includes the Helmholtz equation as well as the Maxwell system with mixed boundary conditions and non‐constant coefficients. We provide Hadamard‐type formulas for the shape derivatives under weak regularity assumptions on the domain and its ...
Pier Domenico Lamberti +2 more
wiley +1 more source
ANPAK - ein semesterbegleitender Anpassungskurs
Zeitschrift für Hochschulentwicklung, 2014 In Folge mehrjähriger statistischer Untersuchungen an der FH Aachen ist unter anderem ein Eingangstest entstanden, der als Diagnosetool für einen erfolgreichen Studieneinstieg verwendet wird. Es hat sich herausgestellt, dass ein Testergebnis von weniger
Gerda Fiedler +2 more
doaj +1 more source
Smooth models of quiver moduli [PDF]
, 2008 For any moduli space of stable representations of quivers, certain smooth varieties, compactifying projective space fibrations over the moduli space, are constructed. The boundary of this compactification is analyzed.
Fachbereich C Mathematik +2 more
core +3 more sources
Romance Loans in Middle Dutch and Middle English: Retained or Lost? A Matter of Metre1
Transactions of the Philological Society, EarlyView.Abstract Romance words have been borrowed into all medieval West‐Germanic languages. Modern cognates show that the metrical patterns of loans can differ although the Germanic words remain constant: loan words Dutch kolónie, English cólony, German Koloníe compared with Germanic words Dutch wéduwe, English wídow, German Wítwe.
Johanneke Sytsema, Aditi Lahiri
wiley +1 more source
Gradual Changes in Functional Time Series
Journal of Time Series Analysis, EarlyView.ABSTRACT We consider the problem of detecting gradual changes in the sequence of mean functions from a not necessarily stationary functional time series. Our approach is based on the maximum deviation (calculated over a given time interval) between a benchmark function and the mean functions at different time points.
Patrick Bastian, Holger Dette
wiley +1 more source
MethodsX, 2020 A reference implementation of a new method in isogeometric analysis (IGA) is presented. It delivers low-cost variable-scale approximations (surrogates) of the matrices which IGA conventionally requires to be computed by element-scale quadrature.
Daniel Drzisga +2 more
doaj +1 more source
Mathematische Unterhaltung nicht nur an Sonntagen : George Szpiros Bücher sind ein lehrreiches Vergnügen [PDF]
, 2008 Rezension zu: George G. Szpiro : Mathematik für Sonntagmorgen : 50 Geschichten aus Mathematik und Wissenschaft, NZZ Verlag, Zürich 2006, ISBN 978-3-03823-353-4 ; 240 Seiten, 26 Euro/38 CHF George G.
Riener, Cordian
core
A construction of integer-valued polynomials with prescribed sets of lengths of factorizations [PDF]
, 2013 For an arbitrary finite set S of natural numbers greater 1, we construct an integer-valued polynomial f, whose set of lengths in Int(Z) is S. The set of lengths of f is the set of all natural numbers n, such that f has a factorization as a product of n ...
Ch Frei +4 more
core +2 more sources