Symmetry | Invitation to Read the 2022 Feature Papers in the Section “Mathematics”
1. “On the Optimality of the LR Test for Mediation”
by Kees Jan Van Garderen and Noud Van Giersbergen
Symmetry 2022, 14(1), 178; https://doi.org/10.3390/sym14010178
Available online: https://www.mdpi.com/2073-8994/14/1/178
2. “Nonlinearity of Boolean Functions: An Algorithmic Approach Based on Multivariate Polynomials”
by Emanuele Bellini, Massimiliano Sala and Ilaria Simonetti
Symmetry 2022, 14(2), 213; https://doi.org/10.3390/sym14020213
Available online: https://www.mdpi.com/2073-8994/14/2/213
3. “Transient Propagation of Spherical Waves in Porous Material: Application of Fractional Calculus”
by Zine El Abiddine Fellah, Mohamed Fellah, Rémi Roncen, Nicholas O. Ongwen, Erick Ogam and Claude Depollier
Symmetry 2022, 14(2), 233: https://doi.org/10.3390/sym14020233
Available online: https://www.mdpi.com/2073-8994/14/2/233
4. “Some Subordination Results for Atangana–Baleanu Fractional Integral Operator Involving Bessel Functions”
by Adriana Cătaş and Alina Alb Lupaş
Symmetry 2022, 14(2), 358; https://doi.org/10.3390/sym14020358
Available online: https://www.mdpi.com/2073-8994/14/2/358
5. “Classical and Quantum Spherical Pendulum”
by Richard Cushman and Jędrzej Śniatycki
Symmetry 2022, 14(3), 496; https://doi.org/10.3390/sym14030496
Available online: https://www.mdpi.com/2073-8994/14/3/496
6. “Douglas–Rachford Splitting Method with Linearization for the Split Feasibility Problem”
by Ziyue Hu, Qiaoli Dong, Yuchao Tang and Michael Th. Rassias
Symmetry 2022, 14(3), 537; https://doi.org/10.3390/sym14030537
Available online: https://www.mdpi.com/2073-8994/14/3/537
7. “Skorokhod Reflection Problem for Delayed Brownian Motion with Applications to Fractional Queues”
by Giacomo Ascione, Nikolai Leonenko and Enrica Pirozzi
Symmetry 2022, 14(3), 615; https://doi.org/10.3390/sym14030615
Available online: https://www.mdpi.com/2073-8994/14/3/615
8. “Some Identities Involving Degenerate q-Hermite Polynomials Arising from Differential Equations and Distribution of Their Zeros”
by Cheon-Seoung Ryoo and Jung-Yoog Kang
Symmetry 2022, 14(4), 706; https://doi.org/10.3390/sym14040706
Available online: https://www.mdpi.com/2073-8994/14/4/706
9. “Asymmetric versus Symmetric Binary Regresion: A New Proposal with Applications”
by Emilio Gómez-Déniz, Enrique Calderín-Ojeda and Héctor W. Gómez
Symmetry 2022, 14(4), 733; https://doi.org/10.3390/sym14040733
Available online: https://www.mdpi.com/2073-8994/14/4/733
10. “Visualising Departures from Symmetry and Bowker’s X2 Statistic”
by Eric J. Beh and Rosaria Lombardo
Symmetry 2022, 14(6), 1103; https://doi.org/10.3390/sym14061103
Available online: https://www.mdpi.com/2073-8994/14/6/1103
11. “Diagonals of Rational Functions: From Differential Algebra to Effective Algebraic Geometry”
by Youssef Abdelaziz, Salah Boukraa, Christoph Koutschan and Jean-Marie Maillard
Symmetry 2022, 14(7), 1297; https://doi.org/10.3390/sym14071297
Available online: https://www.mdpi.com/2073-8994/14/7/1297
12. “Analysis of Drill-String Nonlinear Dynamics Using the Lumped-Parameter Method”
by Lelya A. Khajiyeva, Igor V. Andrianov, Yuliya F. Sabirova and Askar K. Kudaibergenov
Symmetry 2022, 14(7), 1495; https://doi.org/10.3390/sym14071495
Available online: https://www.mdpi.com/2073-8994/14/7/1495
13. “On the Solutions for a Fifth Order Kudryashov–Sinelshchikov-Type Equation”
by Giuseppe Maria Coclite and Lorenzo di Ruvo
Symmetry 2022, 14(8), 1535; https://doi.org/10.3390/sym14081535
Available online: https://www.mdpi.com/2073-8994/14/8/1535
14. “Two-Dimensional Solitons in Nonlocal Media: A Brief Review”
by Boris A. Malomed
Symmetry 2022, 14(8), 1565; https://doi.org/10.3390/sym14081565
Available online: https://www.mdpi.com/2073-8994/14/8/1565
15. “Multi-Fractional Brownian Motion: Estimating the Hurst Exponent via Variational Smoothing with Applications in Finance”
by Luca Di Persio and Gianni Turatta
Symmetry 2022, 14(8), 1657: https://doi.org/10.3390/sym14081657
Available online: https://www.mdpi.com/2073-8994/14/8/1657
16. “Determination of Mutation Rates with Two Symmetric and Asymmetric Mutation Types”
by Jewgeni H. Dshalalow, Van Minh Nguyen, Richard R. Sinden and Ryan T. White
Symmetry 2022, 14(8), 1701; https://doi.org/10.3390/sym14081701
Available online: https://www.mdpi.com/2073-8994/14/8/1701
17. “Some Generalization of the Method of Stability Investigation for Nonlinear Stochastic Delay Differential Equations”
by Leonid Shaikhet
Symmetry 2022, 14(8), 1734; https://doi.org/10.3390/sym14081734
Available online: https://www.mdpi.com/2073-8994/14/8/1734
18. “Asymptotics and Summation of the Effective Properties of Suspensions, Simple Liquids and Composites”
by Simon Gluzman
Symmetry 2022, 14(9), 1912; https://doi.org/10.3390/sym14091912
Available online: https://www.mdpi.com/2073-8994/14/9/1912
19. “On an Important Remark Concerning Some MHD Motions of Second-Grade Fluids through Porous Media and Its Applications”
by Constantin Fetecau and Dumitru Vieru
Symmetry 2022, 14(9), 1921; https://doi.org/10.3390/sym14091921
Available online: https://www.mdpi.com/2073-8994/14/9/1921
20. “Symmetries and Solutions for Some Classes of Advective Reaction–Diffusion Systems”
by Mariano Torrisi and Rita Tracinà
Symmetry 2022, 14(10), 2009; https://doi.org/10.3390/sym14102009
Available online: https://www.mdpi.com/2073-8994/14/10/2009
21. “Quadratic-Phase Wave-Packet Transform in L2(ℝ)”
by Hari M. Srivastava, Firdous A. Shah and Waseem Z. Lone
Symmetry 2022, 14(10), 2018; https://doi.org/10.3390/sym14102018
Available online: https://www.mdpi.com/2073-8994/14/10/2018
22. “Influence of Centrifugal Buoyancy in Thermal Convection within a Rotating Spherical Shell”
by Hidemoto Satake and Toshio Tagawa
Symmetry 2022, 14(10), 2021; https://doi.org/10.3390/sym14102021
Available online: https://www.mdpi.com/2073-8994/14/10/2021
23. “Symmetric Functional Set-Valued Integral Equations and Bihari–LaSalle Inequality”
by Marek T. Malinowski
Symmetry 2022, 14(11), 2246; https://doi.org/10.3390/sym14112246
Available online: https://www.mdpi.com/2073-8994/14/11/2246
24. “A New Symbolic Time Series Analysis Method Based on Time-to-Space Mapping, through a Symmetric Magnetic Field, Quantized by Prime Numbers”
by Yiannis Contoyiannis, Pericles Papadopoulos, Niki-Lina Matiadou and Stelios M. Potirakis
Symmetry 2022, 14(11), 2366; https://doi.org/10.3390/sym14112366
Available online: https://www.mdpi.com/2073-8994/14/11/2366
25. “Spectral Parameter as a Group Parameter”
by Jan L. Cieśliński and Dzianis Zhalukevich
Symmetry 2022, 14(12), 2577; https://doi.org/10.3390/sym14122577
Available online: https://www.mdpi.com/2073-8994/14/12/2577
26. “Symmetries of Non-Linear ODEs: Lambda Extensions of the Ising Correlations”
by Salah Boukraa and Jean-Marie Maillard
Symmetry 2022, 14(12), 2622; https://doi.org/10.3390/sym14122622
Available online: https://www.mdpi.com/2073-8994/14/12/2622
27. “On the Laplacian and Signless Laplacian Characteristic Polynomials of a Digraph”
by Hilal A. Ganie and Yilun Shang
Symmetry 2022, 15(1), 52; https://doi.org/10.3390/sym15010052
Available online: https://www.mdpi.com/2073-8994/15/1/52