Results 131 to 140 of about 113,833 (283)

A Hardy Inequality with Remainder Terms in the Heisenberg Group and the Weighted Eigenvalue Problem

Journal of Inequalities and Applications, 2007
Based on properties of vector fields, we prove Hardy inequalities with remainder terms in the Heisenberg group and a compact embedding in weighted Sobolev spaces. The best constants in Hardy inequalities are determined.
Zixia Yuan, Pengcheng Niu, Jingbo Dou
doaj   +1 more source

Quantum Heisenberg group and reflection equation. I [PDF]

, 1997
E. V. Damaskinsky
openalex   +1 more source

Volumetric Comparison of Overall Brain and Neuropil Size Between Social and Non‐social Spiders: Exploring the Social Brain Hypothesis

Integrative Zoology, EarlyView.
Brain size may be influenced by the cognitive demands of sociality (social brain hypothesis). We used microCT to compare CNS and brain volumes in social versus solitary huntsman and crab spiders. Social huntsman spiders had larger arcuate and mushroom bodies, while social crab spiders had larger visual neuropils.
Vanessa Penna‐Gonçalves, Donald James Mclean, Nikolas J. Willmott, Michael B. J. Kelly, Jay R. Black, Elizabeth C. Lowe, Marie E. Herberstein   +6 more
wiley   +1 more source

Blow-ups of minimal surfaces in the Heisenberg group

Analysis and Geometry in Metric Spaces
In this article, we revise Monti’s results on blow-ups of H-perimeter minimizing sets in Hn{{\mathbb{H}}}^{n}. Monti demonstrated that the Lipschitz approximation of the blow-up, after rescaling by the square root of the excess, converges to a limit ...
Yu Yonghao
doaj   +1 more source

Representations of the canonical group, (the semidirect product of the unitary and Weyl$ndash$Heisenberg groups), acting as a dynamical group on noncommutative extended phase space [PDF]

, 2002
Stephen G. Low
openalex   +1 more source

The formation of self‐concept and intrinsic value in arts‐related domains: Extending the generalized internal/external frame of reference model to music and visual arts

British Journal of Educational Psychology, EarlyView.
Abstract Background The internal/external frame of reference (I/E) model explains the formation of domain‐specific academic self‐concepts. The generalized I/E (GI/E) model extends the I/E model to other motivational constructs, such as intrinsic value, and to various school subjects.
A. Katrin Arens, Daniel Fiedler, Johannes Hasselhorn, Jens Möller   +3 more
wiley   +1 more source

Mikhlin-Type H^p Multiplier Theorem on the Heisenberg Group

Axioms
The classical Fourier multiplier theorem by Mikhlin in Hardy spaces is extended to the Heisenberg group. The proof relies on the theories of atom and molecule functions and the property of special Hermite functions.
Jinsen Xiao, Jianxun He, Yingzhu Wu
doaj   +1 more source

Convolution Operators with Singular Measures of Fractional Type on the\n Heisenberg Group [PDF]

, 2016
T. Godoy, Pablo Rocha
openalex   +1 more source

THE FATHERS, COMPUTERS AND US

Modern Theology, EarlyView.
Abstract This essay, designed as a complement to opinions expressed by Rowan Williams and some speakers at the conference in his honour, explores features of early Christianity which suggest a positive evaluation of artificial intelligence. Noting that the fear of reducing humans to machines has been joined in the modern age by the fear that machines ...
Mark J. Edwards
wiley   +1 more source

B-splines on the Heisenberg Group

Complex Analysis and Operator Theory
Abstract The aim of this paper is to introduce a class of B-splines $${\phi }_n$$ ϕ n on the Heisenberg group $${\mathbb {H}}$$
Das, S. R., Massopust, P., Radha, R.
openaire   +4 more sources