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  1. A game theoretic approach for pricing and advertising of an integrated product family in a duopoly

    Product family concept predicates to a products’ group or services that derive from a common base and they have usually the same production process...

    Article 27 May 2023
  2. Jacobi’s Triple-Product Identity and an Associated Family of Theta-Function Identities

    H. M. Srivastava, M. P. Chaudhary, ... G. A. Salilew in Mathematical Notes
    Article 30 December 2022
  3. Product Topology

    For two given topological spaces, it is natural to define a topology on the Cartesian product of the two underlying spaces. Motivated by the...
    Rafael López in Point-Set Topology
    Chapter 2024
  4. Zeno Product Formulæ

    This chapter is devoted to study a link between Trotter, or Trotter-Kato product formulæ, and product formulæ including projections. Formally, the...
    Valentin A. Zagrebnov, Hagen Neidhardt, Takashi Ichinose in Trotter-Kato Product Formulæ
    Chapter 2024
  5. On the Width of the Cartesian Product of Ordinals

    The ordinal invariants, i.e., maximal order type, height, and width, are measures of a well quasi-ordering (wqo) based on the ordinal rank of the...

    Isa Vialard in Order
    Article 06 April 2024
  6. Unitary Product Formulæ

    In this chapter, we first recollect the main results about convergence of the unitary Trotter product formula in the strong operator topology, Sect....
    Valentin A. Zagrebnov, Hagen Neidhardt, Takashi Ichinose in Trotter-Kato Product Formulæ
    Chapter 2024
  7. Product formulas and convolutions for Laplace–Beltrami operators on product spaces: beyond the trivial case

    We introduce the notion of a family of convolution operators associated with a given elliptic partial differential operator. Such a convolution...

    Rúben Sousa, Manuel Guerra, Semyon Yakubovich in Mathematische Annalen
    Article 15 September 2022
  8. Topological Product of Modal Logics with the McKinsey Axiom

    Abstract

    We consider products of modal logics in topological semantics and prove that the topological product of S4.1 and S4 is the fusion of logics...

    A. V. Kudinov in Doklady Mathematics
    Article 01 February 2024
  9. Free Rota-Baxter Family Algebras and Free (tri)dendriform Family Algebras

    In this paper, we first construct the free Rota-Baxter family algebra generated by some set X in terms of typed angularly X -decorated planar rooted...

    Yuanyuan Zhang, **ng Gao, Dominique Manchon in Algebras and Representation Theory
    Article 09 February 2023
  10. Product Approximations of Self-Adjoint Semigroups

    In this chapter, we proceed with a systematic analysis of the main for this book subject: the product formulæ approximations in the operator-norm...
    Valentin A. Zagrebnov, Hagen Neidhardt, Takashi Ichinose in Trotter-Kato Product Formulæ
    Chapter 2024
  11. Orthogonal Additivity of a Product of Powers of Linear Operators

    Abstract

    In this note it is established that a finite family of positive linear operators acting from an Archimedean vector lattice into an...

    Z. A. Kusraeva, V. A. Tamaeva in Mathematical Notes
    Article 01 December 2023
  12. A Note on Homeo-Product-Minimality

    J. P. Boroński, Magdalena Foryś-Krawiec, Piotr Oprocha in Qualitative Theory of Dynamical Systems
    Article 18 March 2024
  13. A Criterion for Topological Sum Existence in Class of Splitting Subspaces of Inner Product Spaces

    Abstract

    We study topological measures on classes of subspaces in inner product (pre-Hilbert) spaces. A criterion for existence of topological sum of...

    Article 01 July 2023
  14. Tensor Product of Evolution Algebras

    The starting point of this work is the fact that the class of evolution algebras over a fixed field is closed under tensor product. We prove that,...

    Yolanda Cabrera Casado, Dolores Martín Barquero, ... Alicia Tocino in Mediterranean Journal of Mathematics
    Article Open access 28 December 2022
  15. Time-Dependent Product Formulæ: Hilbert Space

    In this chapter we present the product-formula approximations of solution operator for non-autonomous Cauchy problem (nACP) in a Hilbert space. Under...
    Valentin A. Zagrebnov, Hagen Neidhardt, Takashi Ichinose in Trotter-Kato Product Formulæ
    Chapter 2024
  16. Time-Dependent Product formulæ: Banach Space

    The aim of this chapter is to summarise the results about development of the product formula approach to construction of solutions of the abstract...
    Valentin A. Zagrebnov, Hagen Neidhardt, Takashi Ichinose in Trotter-Kato Product Formulæ
    Chapter 2024
  17. Extrapolation for Weighted Product Morrey Spaces and Some Applications

    This paper builds the extrapolation theory on weighted product Morrey spaces. To prove the main result, we introduce the weighted product block...

    Mingquan Wei in Potential Analysis
    Article 05 January 2023
  18. Turán Number of Nonbipartite Graphs and the Product Conjecture

    The decomposition family of a family of graphs often helps us to determine the error term in the well-known Erdős–Stone–Simonovits theorem. We study...

    **ng Peng, Ge Song, Long-Tu Yuan in Communications in Mathematics and Statistics
    Article 25 October 2023
  19. Regularity of Sets Under a Reformulation in a Product Space with Reduced Dimension

    Different notions on regularity of sets and of collection of sets play an important role in the analysis of the convergence of projection algorithms...

    Article Open access 20 November 2023
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