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Hokkaido Mathematical Journal
H-index 2

Hokkaido Mathematical Journal

0385-4035

Published by: Hokkaido University

https://www.math.sci.hokudai.ac.jp/hmj/information.html

Ranking & Metrics

Discipline name Position Best Scientists Publications D-Index
Mathematics 773 4 4 2

Additional Metrics

Number of Best Scientists*: 5
Documents by Best Scientists*: 5
Top 100 Ranked Scientists*: 0
SCIMAGO H-index: 31
SCIMAGO SJR: 0.331
Impact Factor: 0.5

Overview

Top Research Topics at Hokkaido Mathematical Journal?

The journal is mainly concerned with subjects like Pure mathematics, Mathematical analysis, Discrete mathematics, Combinatorics and Algebra. The work on Mathematical analysis tackled in the journal brings together disciplines like Type (model theory) and Nonlinear system.

  • Pure mathematics (38.06%)
  • Mathematical analysis (27.08%)
  • Discrete mathematics (13.75%)

What are the most cited papers published in the journal?

  • Systems of equations of hyperbolic-parabolic type with applications to the discrete Boltzmann equation (282 citations)
  • Contact surgery and symplectic handlebodies (203 citations)
  • On the equations rot v=g and div u=f with zero boundary conditions (189 citations)

Research areas of the most cited articles at Hokkaido Mathematical Journal:

The journal publications explore disciplines such as Pure mathematics, Mathematical analysis, Algebra, Discrete mathematics and Combinatorics. The studies on Pure mathematics discussed at the most cited publications can also contribute to research in the domains of Class (set theory) and Inequality. Most of the works presented in the most cited articles deal with Mathematical analysis but they intersect with the subject of Stability (probability).

What topics the last edition of the journal is best known for?

  • Mathematical analysis
  • Algebra
  • Pure mathematics

The previous edition focused in particular on these issues:

The foci of the journal are Mathematical physics, Applied mathematics, Boundary (topology), Sobolev space and Nonlinear system. The concepts on Mathematical physics presented in the journal can also apply to other research fields, including Asymptotic expansion, Frequency domain, Wave equation, Term (time) and Upper and lower bounds. Applied mathematics research featured in it incorporates concerns from various other topics such as Smoothness (probability theory), Klein–Gordon equation and Bifurcation.

The journal facilitates discussions on Boundary (topology) that incorporate concepts from other fields like Mathematical analysis, Cone (topology) and Abelian surface. The research on Sobolev space featured in it combines topics in other fields like Nonlinear Schrödinger equation, Order (ring theory), Fourth order, Scattering operator and Order (group theory). The research on Nonlinear system tackled can also make contributions to studies in the areas of Space dimension and Initial value problem.

The most cited articles from the last journal are:

  • Optimal leading term of solutions to wave equations with strong damping terms (6 citations)
  • Boundedness of solutions for a quasilinear chemotaxis-haptotaxis model (5 citations)
  • Asymptotic behavior in time of solutions to complex-valued nonlinear Klein-Gordon equation in one space dimension (1 citations)

Papers citation over time

A key indicator for each journal is its effectiveness in reaching other researchers with the papers published at that venue.

The chart below presents the interquartile range (first quartile 25%, median 50% and third quartile 75%) of the number of citations of articles over time.

The top authors publishing in Hokkaido Mathematical Journal (based on the number of publications) are:

  • Kozo Sugano (16 papers) absent at the last edition,
  • Zenjiro Kuramochi (16 papers) absent at the last edition,
  • Hiroshi Yamaguchi (15 papers) absent at the last edition,
  • Hisao Tominaga (13 papers) absent at the last edition,
  • Mikao Moriya (12 papers) absent at the last edition.

The overall trend for top authors publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top authors.

Only papers with recognized affiliations are considered

The top affiliations publishing in Hokkaido Mathematical Journal (based on the number of publications) are:

  • Hokkaido University (9 papers) absent at the last edition,
  • Waseda University (3 papers) absent at the last edition,
  • University of Tsukuba (3 papers) absent at the last edition,
  • Tohoku University (3 papers) published 2 papers at the last edition,
  • Osaka University (3 papers) absent at the last edition.

The overall trend for top affiliations publishing in this journal is outlined below. The chart shows the number of publications at each edition of the journal for top affiliations.

Publication chance based on affiliation

The publication chance index shows the ratio of articles published by the best research institutions in the journal edition to all articles published within that journal. The best research institutions were selected based on the largest number of articles published during all editions of the journal.

The chart below presents the percentage ratio of articles from top institutions (based on their ranking of total papers).Top affiliations were grouped by their rank into the following tiers: top 1-10, top 11-20, top 21-50, and top 51+. Only articles with a recognized affiliation are considered.

During the most recent 2021 edition, 9.09% of publications had an unrecognized affiliation. Out of the publications with recognized affiliations, 30.00% were posted by at least one author from the top 10 institutions publishing in the journal. Another 40.00% included authors affiliated with research institutions from the top 11-20 affiliations. Institutions from the 21-50 range included 20.00% of all publications and 10.00% were from other institutions.

Returning Authors Index

A very common phenomenon observed among researchers publishing scientific articles is the intentional selection of journals they have already attended in the past. In particular, it is worth analyzing the case when the authors participate in the same journal from year to year.

The Returning Authors Index presented below illustrates the ratio of authors who participated in both a given as well as the previous edition of the journal in relation to all participants in a given year.

Returning Institution Index

The graph below shows the Returning Institution Index, illustrating the ratio of institutions that participated in both a given and the previous edition of the conference in relation to all affiliations present in a given year.

The experience to innovation index

Our experience to innovation index was created to show a cross-section of the experience level of authors publishing in a journal. The index includes the authors publishing at the last edition of a journal, grouped by total number of publications throughout their academic career (P) and the total number of citations of these publications ever received (C).

The group intervals were selected empirically to best show the diversity of the authors' experiences, their labels were selected as a convenience, not as judgment. The authors were divided into the following groups:

  • Novice - P < 5 or C < 25 (the number of publications less than 5 or the number of citations less than 25),
  • Competent - P < 10 or C < 100 (the number of publications less than 10 or the number of citations less than 100),
  • Experienced - P < 25 or C < 625 (the number of publications less than 25 or the number of citations less than 625),
  • Master - P < 50 or C < 2500 (the number of publications less than 50 or the number of citations less than 2500),
  • Star - P ≥ 50 and C ≥ 2500 (both the number of publications greater than 50 and the number of citations greater than 2500).

The chart below illustrates experience levels of first authors in cases of publications with multiple authors.

Top Publications

  • Non-local initial problem for second order time-fractional and space-singular equation

    Erkinjon Karimov;Murat Mamchuev;Michael Ruzhansky

    (2020)
    29 Citations
  • Asymptotically sharp bounds for the complete $p$-elliptic integral of the first kind

    (2022)
    17 Citations
  • Scattering operator for the fourth order nonlinear Schrüdinger equation

    (2021)
    2 Citations
  • On the numerical radius of the product of Hilbert space operators

    (2024)
    0 Citations

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Best Scientists Contributing to This Journal

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