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On the abelianization of derived categories and a negative solution to Rosicky's problem
We prove for a large family of rings R that their lambda-pure global dimension is greater than one for each in finite regular cardinal lambda. This answers in the negative a problem posed by Rosicky. The derived categories ...
BA - Obecná matematika
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Minimal tensors and purely electric or magnetic spacetimes of arbitrary dimension
dimension. We study the cases where one of these parts vanishes in detail, i.e., purely to higher dimensions and discuss new features of higher dimensions.We consider time reversal transformation...
BA - Obecná matematika
- 2013 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Existence of horizons in Robinson-Trautman spacetimes of arbitrary dimension
We derive the higher dimensional generalization of Penrose-Tod equation describing past horizon in Robinson-Trautman spacetimes with a cosmological constant and pure radiation. Results for D = 4 dimensions are summ...
BE - Teoretická fyzika
- 2012 •
- D •
- Link
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D - Stať ve sborníku
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Electric and magnetic Weyl tensors in higher dimensions
Recent results on purely electric (PE) or magnetic (PM) spacetimes in n dimensions are summarized. These include: Weyl types; diagonalizability; conditions under which direct (or warped) products are PE/PM....
BA - Obecná matematika
- 2014 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
Výsledek na webu
Exact gravitational waves in higher dimensions
to any higher number of dimensions D are investigated. Using the equation of geodesic. With higher dimensions there occur some completely new effects. For example, the tidal deformations caused by higher-...
BE - Teoretická fyzika
- 2015 •
- D •
- Link
Rok uplatnění
D - Stať ve sborníku
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Small sets of complementary observables
of unextendible sets up to dimension 16 and conjecture certain small sets to be unextendible in higher dimensions. Our constructions provide three complementary measurements, only in finite dimensions are useful f...
Optics (including laser optics and quantum optics)
- 2017 •
- Jimp •
- Link
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Jimp - Článek v periodiku v databázi Web of Science
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Ethical dimension of conteporary af globalization an economics
Basic themes of document: globalization; economics; ethical dimension; global rules...
AE - Řízení, správa a administrativa
- 2009 •
- D
Rok uplatnění
D - Stať ve sborníku
Actualization of the Phd Students' Intercultural Competencies In a Context of Globalization
Globalization is changing qualitative characteristics of society, people life and mentality. In relevance to globalization, higher education is gaining new dimensions integrated and harmonious international space o...
AM - Pedagogika a školství
- 2014 •
- D
Rok uplatnění
D - Stať ve sborníku
Pure projective modules over chain domains with Krull dimension
We will prove that over a chain domain with Krull dimension each pure projective module decomposes into a direct sum of finitely presented modules....
BA - Obecná matematika
- 2016 •
- Jx •
- Link
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Výsledek na webu
Pure Gauss-Bonnet NUT black hole solution: I
to be product of S-(2) spheres. This is true for Einstein as well as for pure Gauss-Bonnet gravity, and perhaps would hold good for higher order pure Lovelock as well.We obtain an exact Lambda-vacuum solution in the pu...
Astronomy (including astrophysics,space science)
- 2022 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
Výsledek na webu
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