Results 21 to 30 of about 10,799,493 (290)

The number of $D_4$-fields ordered by conductor

open access: yes, 2021
We consider families of quartic number fields whose normal closures over Q have Galois group isomorphic to D4, the symmetries of a square. To any such field L, one can associate the Artin conductor of the corresponding 2-dimensional irreducible Galois ...
S. A. Altug   +3 more
semanticscholar   +1 more source

On the computability of ordered fields

open access: yesCoRR, 2020
In this paper we develop general techniques for classes of computable real numbers generated by subsets of total computable (recursive functions) with special restrictions on basic operations in order to investigate the following problems: whether a generated class is a real closed field and whether there exists a computable presentation of a generated
Margarita V. Korovina, Oleg V. Kudinov
openaire   +2 more sources

Order Positive Fields. I

open access: yesAlgebra and Logic, 2023
This paper is a part of ongoing research on order positive fields started some years ago. We prove that the real closure of an order positive field even in non-Archimedean case is also order positive.
Korovina, M. V., Kudinov, O. V.
openaire   +3 more sources

Polarization of Intrabinary Shock Emission in Spider Pulsars

open access: yesThe Astrophysical Journal, 2023
In so-called spider pulsars, the X-ray band is dominated by intrabinary shock (IBS) synchrotron emission. While the double-peaked X-ray light curves from these shocks have been well characterized in several spider systems (both black widows and redbacks),
Andrew G. Sullivan, Roger W. Romani
doaj   +1 more source

Melting of spin ice state and development of fifth order susceptibility with magnetic field in pyrochlore Tb2Sn2O7

open access: yesNew Journal of Physics, 2022
Pyrochlores offer an ideal playground to investigate the magnetic ground state of frustrated magnetic systems. In this class of materials, competition between various magnetic interactions remains frustrated and prevents an ordered magnetic state at low ...
Karan Singh   +3 more
doaj   +1 more source

Strongly dependent ordered abelian groups and Henselian fields [PDF]

open access: yesIsrael Journal of Mathematics, 2017
Strongly dependent ordered abelian groups have finite dp-rank. They are precisely those groups with finite spines and |{p prime : [G:pG]=∞}|
Yatir Halevi, Assaf Hasson
semanticscholar   +1 more source

Ordered Rings and Fields [PDF]

open access: yesFormalized Mathematics, 2017
Summary We introduce ordered rings and fields following Artin-Schreier’s approach using positive cones. We show that such orderings coincide with total order relations and give examples of ordered (and non ordered) rings and fields. In particular we show that polynomial rings can be ordered in (at least) two different ways [8, 5, 4, 9].
openaire   +4 more sources

Abelization of join spaces of affine transformations of ordered field with proximity

open access: yesApplied General Topology, 2005
Using groups of affine transformations of linearly ordered fields a certain construction of non-commutative join hypergroups is presented based on the criterion of reproducibility of semi-hypergroups which are determined by ordered semigroups. The aim of
Sárka Hosková
doaj   +1 more source

Histogram Ordering

open access: yesIEEE Access, 2021
Frequency histograms are ubiquitous, being practically used in any field of science. In this paper, we present a partial order for frequency histograms and, to our knowledge, no order of this kind has been yet defined.
Mateu Sbert   +5 more
doaj   +1 more source

Random Ising chain in transverse and longitudinal fields: Strong disorder RG study

open access: yesCondensed Matter Physics, 2023
Motivated by the compound LiHo_xY_(1-x)F_4, we consider the Ising chain with random couplings and in the presence of simultaneous random transverse and longitudinal fields, and study its low-energy properties at zero temperature by the strong disorder ...
T. Pető, F. Iglói, I. A. Kovács
doaj   +1 more source

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