离开可分裂
发表于 2025-3-26 22:41:47
Probabilistic and Monte Carlo Simulations,e show that it is indeed possible for a sublattice subgroup of . to have no irreducible elements and still be transitive on the set of pairs . < . in .. This answers a question raised in “The first-order theory of .-permutation groups”, a Conference talk by the first author.
Neuropeptides
发表于 2025-3-27 01:40:37
Properties of Abelian Groups Determined by Their Endomorphism Ringles over arbitrary rings, the second half focuses mainly on the case of torsion-free Abelian groups. Although there are many applications of endomorphism rings to the theory of mixed Abelian groups, a comprehensive discussion of this subject is beyond the framework of a survey article. In particular
stratum-corneum
发表于 2025-3-27 08:28:14
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礼节
发表于 2025-3-27 12:45:21
Rigid ℵ1-Free Abelian Groups with Prescribed Factors and Their Role in the Theory of Cellular Coverslian groups with prescribed torsion-free kernels and co-kernels. In particular, the method was applied to the class of .-free abelian groups in order to complement results from Rodríguez–Strüngmann (Mediterr. J. Math. 6:139–150, 2010) and Göbel–Rodríguez–Strüngmann (Fundam. Math. 217:211–231, 2012).
使尴尬
发表于 2025-3-27 14:25:45
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thalamus
发表于 2025-3-27 18:39:40
On Subsets and Subgroups Defined by Commutators and Some Related Questionsommutators identities, subsets defined by autocommutators. We are interested in conditions under which each of these sets forms a subgroup of .. In particular we continue the investigation started by L.C. Kappe and R.F. Morse on the subset of all commutators in .. Furthermore, we present some recent
cardiopulmonary
发表于 2025-3-28 01:15:12
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Proclaim
发表于 2025-3-28 03:44:51
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侵略主义
发表于 2025-3-28 08:01:50
Countable 1-Transitive Trees., Proc Lond Math Soc 58:454–494, 1989), and on lower 1-transitive linear orders (Barbina and Chicot, Towards a classification of the countable 1-transitive trees: countable lower 1-transitive linear orders. arXiv:1504.03372), all in the countable case. We lead on from these to give a complete descr
好忠告人
发表于 2025-3-28 12:28:11
On Ore’s Theorem and Universal Words for Permutations and Injections of Infinite Setsving infinitely many infinite orbits (and no others). This implies Ore’s influential theorem that each permutation of . is a commutator, a similar result due to Mesyan for the injections of ., and a result on which injections . of . can be written in the form . = .. ⋅ ...