ABYSS
发表于 2025-3-30 12:08:59
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Munificent
发表于 2025-3-30 14:36:38
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枕垫
发表于 2025-3-30 18:30:00
Syntopogenous spaces and zero-set spaces,asi-uniform spaces and uniform spaces. Zero-set spaces have been introduced in as a generalization of the structure composed of a set equipped with a topology and of the system of all zero-sets of real-valued functions continuous with respect to this topology.
isotope
发表于 2025-3-30 21:09:00
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Ostrich
发表于 2025-3-31 02:28:00
The spherical derivative of meromorphic functions with relatively few poles,Suppose that .(.) is a function meromorphic in the plane ℂ and let.denote the spherical derivative of .(.). For r>0 we set
Antigen
发表于 2025-3-31 05:33:06
A Blaschke product with a level-set of infinite length,A recent paper by . and A. . describes an outer function . in the unit disk . such that, for uncountably many values ., the .-level-set {z:|.(.)| = .} has infinite length. We shall now show that an inner function can also have a level-set of infinite length.
packet
发表于 2025-3-31 09:43:27
,On an open problem of Paul Turán concerning 3-graphs,The third of .. 1961 list of . reads:
遗弃
发表于 2025-3-31 17:02:34
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Dna262
发表于 2025-3-31 19:32:32
On a problem of Lehmer,D. H. . asked whether for every ε>0 there exists a monic polynomial . ∈ .[.] such that
Incisor
发表于 2025-3-31 22:51:05
On extrermal polynomials,Let ℘ be the set of polynomials of the form.where ...... are nonnegative integers, and the coefficients .. (.=0,1,...,..) are real (the complex case will be commented later). For the sake of convenience we set