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pro vyhledávání: '"Nevanlinna"'
We investigate the existence of subinvariant metric functionals for commuting families of nonexpansive mappings in noncompact subsets of Banach spaces. Our findings underscore the practicality of metric functionals when searching for fixed points of
Externí odkaz:
http://arxiv.org/abs/2407.04234
Publikováno v:
Emerging Infectious Diseases, Vol 30, Iss 9, Pp 1770-1778 (2024)
We conducted a prospective study of 159 cases of Streptococcus dysgalactiae subspecies equisimilis (SDSE) bacteremia in 157 patients at 2 hospitals in Finland during November 2015–November 2019. Cellulitis was associated with nonsevere disease (p =
Externí odkaz:
https://doaj.org/article/b16e6bc9aa7e46db8df400706c1cd6ee
Publikováno v:
npj Mental Health Research, Vol 3, Iss 1, Pp 1-9 (2024)
Abstract Rating scales are the dominating tool for the quantitative assessment of mental health. They are often believed to have a higher validity than language-based responses, which are the natural way of communicating mental states. Furthermore, i
Externí odkaz:
https://doaj.org/article/f6e7e4d511024254947567efeab079f5
Autor:
H. Nevanlinna, E. I. Tanskanen
Publikováno v:
History of Geo- and Space Sciences, Vol 15, Pp 17-25 (2024)
In Finland, auroral photography started in 1927 at the Sodankylä Geophysical Observatory (SGO) with the initiative of famous Norwegian scientist Carl Störmer. In less than 2 years about 600 photographs of auroras were taken at Sodankylä. Some of t
Externí odkaz:
https://doaj.org/article/b649e277faab445c9fad6b36b9e0427d
Autor:
Huhtanen, Marko, Nevanlinna, Olavi
Intertwining analysis, algebra, numerical analysis and optimization, computing conjugate co-gradients of real-valued quotients gives rise to eigenvalue problems. In the linear Hermitian case, by inspecting optimal quotients in terms of taking the con
Externí odkaz:
http://arxiv.org/abs/2211.06051
Autor:
Nevanlinna, Viivi1,2 viivi.nevanlinna@tuni.fi, Aittoniemi, Janne3, Huttunen, Reetta1,2, Luukkaala, Tiina1,2, Rantala, Sari1,2
Publikováno v:
Emerging Infectious Diseases. Sep2024, Vol. 30 Issue 9, p1770-1778. 9p.
Autor:
Nevanlinna, Olavi
We collect and organise known results and add some new ones of the following nature: if A is a bounded operator in a Hilbert or Banach space, does there exist a nonconstant polynomial p(z) such that p(A) is "simpler", "nicer" than A. The motivation f
Externí odkaz:
http://arxiv.org/abs/2206.03751
Publikováno v:
Journal of Space Weather and Space Climate, Vol 4, p A11 (2014)
We analyse geomagnetic recordings at four subauroral and midlatitude Russian observatories in 1850–1862. The data consist of spot readings made once in hour of the north and east components of the magnetic field. We use the hourly change of the hor
Externí odkaz:
https://doaj.org/article/42e7940b2e0848e98e1ca52a1b828602