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  1. ORIGINAL ARTICLE

    The spectrum of non-local discrete Schrödinger operators with a δ-potential

    The behaviour of the spectral edges (embedded eigenvalues and resonances) is discussed at the two ends of the continuous spectrum of non-local discrete Schrödinger operators with a δ-potential. These operators ar...

    Fumio Hiroshima and József Lőrinczi

    Pacific Journal of Mathematics for Industry 2014 6:7

    Published on: 4 October 2014

  2. Original article

    On the one-sided maximum of Brownian and random walk fragments and its applications to new exotic options called “meander option”

    We consider some distributions of one sided maxima of excursions and related variables for standard random walk and Brownian motion. We propose some new exotic options called meander options related to one of ...

    Takahiko Fujita, Yasuhiro Kawanishi and Marc Yor

    Pacific Journal of Mathematics for Industry 2014 6:2

    Published on: 20 September 2014

  3. ORIGINAL ARTICLE

    A tridiagonal matrix construction by the quotient difference recursion formula in the case of multiple eigenvalues

    In this paper, we grasp an inverse eigenvalue problem which constructs a tridiagonal matrix with specified multiple eigenvalues, from the viewpoint of the quotient difference (qd) recursion formula. We also pr...

    Kanae Akaiwa, Masashi Iwasaki, Koichi Kondo and Yoshimasa Nakamura

    Pacific Journal of Mathematics for Industry 2014 6:10

    Published on: 16 September 2014

  4. ORIGINAL ARTICLE

    A remark on zeta functions of finite graphs via quantum walks

    From the viewpoint of quantum walks, the Ihara zeta function of a finite graph can be said to be closely related to its evolution matrix. In this note we introduce another kind of zeta function of a graph, whi...

    Yusuke Higuchi, Norio Konno, Iwao Sato and Etsuo Segawa

    Pacific Journal of Mathematics for Industry 2014 6:9

    Published on: 11 September 2014

  5. ORIGINAL ARTICLE

    Statistical detection of the influence of solar activities to weak earthquakes

    In the literature, it has been hypothesized that the solar wind released by the Sun affects the Earth as a trigger to cause earthquakes. This hypothesis is on the basis of the observation that the frequency of...

    Pan Qin, Tomohiko Yamasaki and Ryuei Nishii

    Pacific Journal of Mathematics for Industry 2014 6:6

    Published on: 4 September 2014

  6. SURVEY

    Visual data mining based on differential topology: a survey

    In this article, we describe techniques for visual data mining based on differential topology. Data scientists have been working long on the analysis of data obtained from a wide variety of sources. The data i...

    Osamu Saeki and Shigeo Takahashi

    Pacific Journal of Mathematics for Industry 2014 6:4

    Published on: 31 August 2014

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