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of 12 354
pro vyhledávání: '"Danielsson, P"'
Autor:
Lajos, László
Publikováno v:
Discrete Applied Mathematics, ISSN 0166-218X, 2018
The difference between the (squared) sides of the Grace-Danielsson inequality for tetrahedra will be represented as a sum of two nonnegative terms. This gives another proof of the inequality. Examining the denominator allows us to characterize the in
Externí odkaz:
http://arxiv.org/abs/1805.08435
Akademický článek
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Autor:
Milne, Antony
Publikováno v:
J. Geom. 106, 455-463 (2015)
We derive several results in classical Euclidean elementary geometry using the steering ellipsoid formalism from quantum mechanics. This gives a physically motivated derivation of very non-trivial geometric results, some of which are entirely new. We
Externí odkaz:
http://arxiv.org/abs/1404.0525
Autor:
Alyatkin, Sergey, Sitnik, Kirill, Daníelsson, Valtýr Kári, Kartashov, Yaroslav V., Töpfer, Julian D., Sigurðsson, Helgi, Lagoudakis, Pavlos G.
Aperiodic crystals are the intermediates between strictly periodic crystalline matter and amorphous solids. The lack of translational symmetry combined with intrinsic long-range order endows aperiodic crystals with unique physical characteristics, wh
Externí odkaz:
http://arxiv.org/abs/2409.16801
We study a higher-dimensional analogue of the {Random Travelling Salesman Problem}: let the complete $d$-dimensional simplicial complex $K_n^{d}$ on $n$ vertices be equipped with i.i.d.\ volumes on its facets, uniformly random in $[0,1]$. What is the
Externí odkaz:
http://arxiv.org/abs/2409.00235
Autor:
Danielsson, Jon, Uthemann, Andreas
The rapid adoption of artificial intelligence (AI) is transforming the financial industry. AI will either increase systemic financial risk or act to stabilise the system, depending on endogenous responses, strategic complementarities, the severity of
Externí odkaz:
http://arxiv.org/abs/2407.17048
Autor:
Danielsson, Joel Larsson
Given a finite set $S$, i.i.d. random weights $\{X_i\}_{i\in S}$, and a family of subsets $\mathcal{F}\subseteq 2^S$, we consider the minimum weight of an $F\in \mathcal{F}$: \[ M(\mathcal{F}):= \min_{F\in \mathcal{F}} \sum_{i\in F}X_i. \] In particu
Externí odkaz:
http://arxiv.org/abs/2407.12672
Autor:
Burman, Annie
Publikováno v:
Etruscan Studies: Journal of the Etruscan Foundation; November 2023, Vol. 26 Issue: 1-2 p44-63, 20p
Publikováno v:
Class.Quant.Grav. 41 (2024) 24, 245011
In this paper, we realise the charged Nariai black hole on a braneworld from a nucleated bubble in AdS$_5$, known as the dark bubble model. Geometrically, the black hole takes the form of a cylindrical spacetime pulling on the dark bubble. This is re
Externí odkaz:
http://arxiv.org/abs/2405.13679
We study electromagnetic and gravitational properties of AdS black shells (also referred to as AdS black bubbles) -- a class of quantum gravity motivated black hole mimickers, that in the classical limit are described as ultra compact shells of matte
Externí odkaz:
http://arxiv.org/abs/2405.08062