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pro vyhledávání: '"Schmid, Wolfgang P."'
Intersecting codes are linear codes where every two nonzero codewords have non-trivially intersecting support. In this article we expand on the theory of this family of codes, by showing that nondegenerate intersecting codes correspond to sets of poi
Externí odkaz:
http://arxiv.org/abs/2406.04034
Autor:
Bashir, Aqsa, Schmid, Wolfgang A.
Let $G$ be a finite abelian group with $\exp(G)$ the exponent of $G$. Then $\mathsf W(G)$ denotes the set of cross numbers of minimal zero-sum sequences over $G$ and $\mathsf w(G)$ denotes the set of all cross numbers of non-trivial zero-sum free seq
Externí odkaz:
http://arxiv.org/abs/2403.07138
Spatial and spatiotemporal volatility models are a class of models designed to capture spatial dependence in the volatility of spatial and spatiotemporal data. Spatial dependence in the volatility may arise due to spatial spillovers among locations;
Externí odkaz:
http://arxiv.org/abs/2308.13061
Autor:
Schmid, Wolfgang P.
Die gegenwärtigen Auseinandersetzungen um das Konzept der Alteuropäischen Hydronomie gehen allmählich von verständlichen Diskrepanzen in unverständliche Dissonanzen über. Sie führen weder im Einzelnen noch im Ganzen weiter und können deshalb
Externí odkaz:
https://ul.qucosa.de/id/qucosa%3A31510
https://ul.qucosa.de/api/qucosa%3A31510/attachment/ATT-0/
https://ul.qucosa.de/api/qucosa%3A31510/attachment/ATT-0/
Autor:
Otto, Philipp, Schmid, Wolfgang
Publikováno v:
Statistical Papers 2022
In time-series analyses, particularly for finance, generalized autoregressive conditional heteroscedasticity (GARCH) models are widely applied statistical tools for modelling volatility clusters (i.e., periods of increased or decreased risk). In cont
Externí odkaz:
http://arxiv.org/abs/2106.10477
Publikováno v:
IEEE Transactions on Signal Processing, Volume 69, 2020
In this paper, using the shrinkage-based approach for portfolio weights and modern results from random matrix theory we construct an effective procedure for testing the efficiency of the expected utility (EU) portfolio and discuss the asymptotic beha
Externí odkaz:
http://arxiv.org/abs/2005.04761
Autor:
Geroldinger, Alfred, Schmid, Wolfgang
Let $H$ be a Krull monoid with finite class group $G$ such that every class contains a prime divisor. We consider the system $\mathcal L (H)$ of all sets of lengths of $H$ and study when $\mathcal L (H)$ contains or is contained in a system $\mathcal
Externí odkaz:
http://arxiv.org/abs/2005.03316
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