AbstractLet Λ be an (m + 1)-dimensional Tchebycheff space of periodic-type functions. Then Λ contains an (m − 1)-dimensional Tchebycheff subspace. Consequently, Λ has a Markov-type property: it contains a chain of Tchebycheff spaces Λ = Λm ⊃ Λm − 2 ⊃ …, with dim Λi = i + 1
AbstractLet g = (g1,…,gr) ≥ 0 and h = (h1,…,hr) ≥ 0, gϱ, hϱ ∈ J, be two vectors of nonnegative integ...
AbstractIn this paper we prove the existence of invariant tori and thus the boundedness of all solut...
Abstract. In the present paper we consider a special class of equations x ′ = f(t, x) when the funct...
AbstractA whole new class of Chebycheff spaces is introduced. The construction starts with a Chebych...
AbstractLet Λ be an (m + 1)-dimensional Tchebycheff space of periodic-type functions. Then Λ contain...
AbstractGiven a periodic Tchebycheff System {yi}i = 02n it is proved that there exist two functions ...
AbstractIn this paper it is determined precisely when a given function belongs to some Tchebycheff s...
A whole new class of Chebycheff spaces is introduced. The construction starts with a Chebycheff spac...
AbstractIf s(t) is a periodic sequence from GF(q) = F, and if N is the number of times a non-zero el...
AbstractA (k + 1)-dimensional vector space U of real-valued functions defined on a subset of the rea...
AbstractA (k + 1)-dimensional real vector space U of real-valued functions defined on a subset T of ...
AbstractWe give a proof of the Bott periodicity theorem, along the lines proposed by McDuff, based o...
International audienceThe spaces of semi-periodic sequences and functions are examined in the relati...
AbstractLet X be a non-empty set. Let f:Z2→X. All vectors which occur have integer coefficients, and...
The almost periodic functions form a natural example of a non-separable normed space. As such, it ha...
AbstractLet g = (g1,…,gr) ≥ 0 and h = (h1,…,hr) ≥ 0, gϱ, hϱ ∈ J, be two vectors of nonnegative integ...
AbstractIn this paper we prove the existence of invariant tori and thus the boundedness of all solut...
Abstract. In the present paper we consider a special class of equations x ′ = f(t, x) when the funct...
AbstractA whole new class of Chebycheff spaces is introduced. The construction starts with a Chebych...
AbstractLet Λ be an (m + 1)-dimensional Tchebycheff space of periodic-type functions. Then Λ contain...
AbstractGiven a periodic Tchebycheff System {yi}i = 02n it is proved that there exist two functions ...
AbstractIn this paper it is determined precisely when a given function belongs to some Tchebycheff s...
A whole new class of Chebycheff spaces is introduced. The construction starts with a Chebycheff spac...
AbstractIf s(t) is a periodic sequence from GF(q) = F, and if N is the number of times a non-zero el...
AbstractA (k + 1)-dimensional vector space U of real-valued functions defined on a subset of the rea...
AbstractA (k + 1)-dimensional real vector space U of real-valued functions defined on a subset T of ...
AbstractWe give a proof of the Bott periodicity theorem, along the lines proposed by McDuff, based o...
International audienceThe spaces of semi-periodic sequences and functions are examined in the relati...
AbstractLet X be a non-empty set. Let f:Z2→X. All vectors which occur have integer coefficients, and...
The almost periodic functions form a natural example of a non-separable normed space. As such, it ha...
AbstractLet g = (g1,…,gr) ≥ 0 and h = (h1,…,hr) ≥ 0, gϱ, hϱ ∈ J, be two vectors of nonnegative integ...
AbstractIn this paper we prove the existence of invariant tori and thus the boundedness of all solut...
Abstract. In the present paper we consider a special class of equations x ′ = f(t, x) when the funct...