Articles by Author: Jie Zhang

Search results for Jie Zhang

We found 21 results for you
  1. A Non-topologically Generated Hutton-lowen Uniformizable Space

    A Non-topologically Generated Hutton-lowen Uniformizable Space

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    In this note, it is shown that there exist non-topologically generated spaces which are both Lowen uniformizable and Hutton uniformizable. On the other hand, the FNS-coreflection of the Hutton unit interval I(I) is neither Lowen uniformizable nor Hutton uniformizable.
  2. On the Relationship Between Several Basic Categories in Fuzzy Topology

    On the Relationship Between Several Basic Categories in Fuzzy Topology

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    In this paper, a process, which associates with every fibre-small topo- logical category A and every completely distributive lattice L another topological category called the co-tower extension of A, is introduced to investigate the relationship between several basic categories in...
  3. IS THE CONSTRUCT OF L-TOPOLOGICAL SPACES A CO-TOWER EXTENSION OF SOME SIMPLER CONSTRUCT?

    IS THE CONSTRUCT OF L-TOPOLOGICAL SPACES A CO-TOWER EXTENSION OF SOME SIMPLER CONSTRUCT?

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    In an earlier paper, the second author associated with any fibre-small topological construct A and any completely distributive lattice L, an extension of A, called the (L-)-co-tower extension of A. He demonstrated that many familiar constructs in fuzzy topology can...
  4. ANALYTIC AND PROBABILISTIC THEORY OF ADDITIVE ARITHMETICAL SEMIGROUPS

    ANALYTIC AND PROBABILISTIC THEORY OF ADDITIVE ARITHMETICAL SEMIGROUPS

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    This is a short survey of the forthcoming book Number Theory Arising From Finite Fields—analytic and probabilistic theory. We give details of a number of the main theorems in the book. These are abstract prime number theorems, mean-value theorems of...
  5. New formulae of BBP-type modulo 6

    New formulae of BBP-type modulo 6

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    By expressing infinite series in terms of definite integrals, we shall establish four formulae of BBP-type modulo 6 with an extra free parameter. Several new BBP-type formulae are consequently deduced.
  6. Generic linear mixed-effects individual-tree biomass models for <em>Pinus massoniana</em> in southern China

    Generic linear mixed-effects individual-tree biomass models for <em>Pinus massoniana</em> in southern China

    Item type: Journal Article • Journal: Southern Forests: a Journal of Forest Science
    Quantification of forest biomass is important for practical forestry and for scientific purposes. It is fundamental to develop generic individual-tree biomass models suitable for large-scale forest biomass estimation. However, compatibility of forest biomass estimates at different scales may become a...
  7. Eigenvalues of discrete Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions

    Eigenvalues of discrete Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    We consider the discrete right definite Sturm-Liouville problems with nonlinear eigenparameter dependent boundary conditions
  8. The hybrid mean value of <em>L</em>-functions and a special character sums

    The hybrid mean value of <em>L</em>-functions and a special character sums

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    The main purpose of this paper is using the estimation of the character sums to study the 2k-th power mean of L-functions with the weight of a character sums, and give an interesting asymptotic formula for it.
  9. On the nonexistence and existence of solutions for a fourth-order discrete Dirichlet boundary value problem

    On the nonexistence and existence of solutions for a fourth-order discrete Dirichlet boundary value problem

    Item type: Journal Article • Journal: Quaestiones Mathematicae
    This paper is concerned with a class of fourth-order nonlinear difference equations. By using the critical point theory, we establish various sets of sufficient conditions of the nonexistence and existence of solutions for a Dirichlet boundary value problem and give...