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Portugaliae Mathematica
H-index 6

Portugaliae Mathematica

0032-5155

Published by: European Mathematical Society

https://ems.press/journals/pm

Ranking & Metrics

Discipline name Position Best Scientists Publications D-Index
Mathematics 470 11 12 6

Additional Metrics

Number of Best Scientists*: 13
Documents by Best Scientists*: 14
Top 100 Ranked Scientists*: 0
SCIMAGO H-index: 16
SCIMAGO SJR: 0.37
Impact Factor: N/A

Overview

Top Research Topics at Portugaliae Mathematica?

The scientific interests tackled in the journal are Pure mathematics, Mathematical analysis, Discrete mathematics, Algebra and Combinatorics. While Mathematical analysis is the focus of it, it also provided insights into the studies of Applied mathematics and Nonlinear system.

  • Pure mathematics (30.39%)
  • Mathematical analysis (22.19%)
  • Discrete mathematics (15.26%)

What are the most cited papers published in the journal?

  • On almost semigroups (158 citations)
  • Un Invariante afín para los cuerpos convexos del espacio de n dimensiones (131 citations)
  • Additive Gruppen von Folgen Ganzer Zahlen (127 citations)

Research areas of the most cited articles at Portugaliae Mathematica:

The journal articles facilitate discussions on Pure mathematics, Mathematical analysis, Topology (chemistry), Discrete mathematics and Topology. The journal publications explore topics in Pure mathematics which can be helpful for research in disciplines like Ordered set, Birnbaum–Orlicz space and Symmetric polynomial. The journal publications explore research in Mathematical analysis and the adjacent study of Mathematical physics.

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

  • Mathematical analysis
  • Algebra
  • Vector space

The previous edition focused in particular on these issues:

The main research concerns discussed in Portugaliae Mathematica are Pure mathematics, Mathematical analysis, Discrete mathematics, Cayley–Bacharach theorem and OLED. It is focused mainly on Pure mathematics, particularly Genus (mathematics). The research on Mathematical analysis tackled can also make contributions to studies in the areas of Controllability and Microelectromechanical systems.

It held discussions to help close the divide between the fields of OLED and Surface (mathematics) and Thermistor.

The most cited articles from the last journal are:

  • The cost of approximate controllability of heat equation with general dynamical boundary conditions (5 citations)
  • On the asymptotic behavior of high order moments for a family of Schroedinger equations (3 citations)
  • Courant-sharp property for Dirichlet eigenfunctions on the Möbius strip (3 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 Portugaliae Mathematica (based on the number of publications) are:

  • José Morgado (9 papers) absent at the last edition,
  • Luis H. Gallardo (6 papers) absent at the last edition,
  • António Monteiro (6 papers) absent at the last edition,
  • Leonard Carlitz (5 papers) absent at the last edition,
  • Olivier Rahavandrainy (5 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 Portugaliae Mathematica (based on the number of publications) are:

  • University of Lisbon (8 papers) absent at the last edition,
  • University of Porto (4 papers) absent at the last edition,
  • University of St Andrews (3 papers) absent at the last edition,
  • Max Planck Society (3 papers) absent at the last edition,
  • Universidade Aberta (2 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, 10.00% of publications had an unrecognized affiliation. Out of the publications with recognized affiliations, 11.11% were posted by at least one author from the top 10 institutions publishing in the journal. Another 11.11% included authors affiliated with research institutions from the top 11-20 affiliations. Institutions from the 21-50 range included 33.33% of all publications and 44.44% 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

  • The impact of a lower order term in a Dirichlet problem with a singular nonlinearity

    (2020)
    19 Citations
  • Courant-sharp property for Dirichlet eigenfunctions on the Möbius strip

    Pierre Bérard;Bernard Helffer;Rola Kiwan

    (2021)
    8 Citations
  • Einstein–Klein–Gordon spacetimes in the harmonic near-Minkowski regime

    (2022)
    8 Citations
  • Compensated compactness and corrector stress tensor for the Einstein equations in $\mathbb T^2$ symmetry

    Bruno Le Floch;Philippe G. LeFloch

    (2020)
    6 Citations
  • On the asymptotic behavior of high order moments for a family of Schroedinger equations

    Nikolay Tzvetkov;Nicola Visciglia

    (2021)
    6 Citations
  • A class of cosmological models with spatially constant sign-changing curvature

    (2023)
    6 Citations
  • Joint differential invariants of binary and ternary forms

    Gülden Gün Polat;Peter J. Olver

    (2020)
    6 Citations
  • Well-posedness and long time behavior for a general class of Moore–Gibson–Thompson equations with a memory

    (2022)
    2 Citations
  • A remark on the logarithmic decay of the damped wave and Schrödinger equations on a compact Riemannian manifold

    (2023)
    1 Citations
  • Remarks on the Bohnenblust–Hille inequalities

    Djair Paulino;Daniel Pellegrino;Joedson Santos

    (2020)
    0 Citations

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Best Scientists Contributing to This Journal