OOIR: Observatory of International Research

Papers

(The TQCC of Monatshefte fuer Mathematik is 2. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2022-06-01 to 2026-06-01.)

Article	Citations
Book reviews	23
Finite groups with many S-semipermutable p-subgroups	21
Transcendental liouvillian solutions of first order nonlinear differential equations	12
Existence and stability results for a second-order differential equation for the Antarctic circumpolar current	10
Dually Lorentzian Polynomials	9
On Orlicz classes defined in terms of associated weight functions	9
Solvability in the sense of sequences for some non-Fredholm operators with the logarithmic Laplacian	8
Hyper-power series and generalized real analytic functions	8
Asymptotic properties for solutions of differential equations with singular p(t)-Laplacian	7
New contributions to a complex system of quadratic heat equations with a generalized kernels: global solutions	7
Pollard-like exact solution for nonlinear trapped lee waves in the f-plane approximation	6
Besov regularity in non-linear generalized functions	6
The AGM of Gauss, Ramanujan’s corresponding theory, and spectral bounds of self-adjoint operators	6
Subgroups of the mapping class group and the Gardiner-Masur compactification	6
On recurrence for $$\mathbb {Z}^d$$-Weyl systems	6
Hölder continuity of hyperbolic Poisson integral and hyperbolic Green integral	6
General bilinear forms in the Jacobi symbol over hyperbolic regions	5
Isometric representation of Lipschitz-free spaces over connected orientable Riemannian manifolds	5
Universal kernel models for iterated completely positive maps	5
A theory for oceanic gyres based on Ekman flows using the thin-shell approximation with weak nonlinearity	5
On the Cauchy problem for a weakly dissipative coupled Camassa–Holm system	5
Eigenvalues of truncated unitary matrices: disk counting statistics	5
Critical quasilinear equations with singular potentials via perturbation method	5
Hybrid localization for nonlinear systems: lower/upper solution and Krasnosel’skiĭ fixed point theorem techniques	5
Spectral asymptotics and a trace formula for a fourth-order differential operator corresponding to thin film equation	5

On the index of pseudo B-Fredholm operator	4
Small time characterization of heat kernels in a weighted setting	4
Ratios conjecture for quadratic Hecke L-functions in the Gaussian field	4
Book reviews	4
Some sharp inequalities for norms in $$\mathbb {R}^n$$ and $$\mathbb {C}^n$$	4
Small gaps between primes that satisfy the Goldbach equation	4
Existence and stability of solutions for a Sea-Breeze flow model	4
Ill-posedness for a generalized Camassa–Holm equation with higher-order nonlinearity in the critical Besov space	4
Non-uniform dependence on initial data for the Camassa–Holm equation in $$B_{\infty , r}^s$$	4
Wave breaking and persistence property of solutions for a weakly dissipative 3-component Camassa–Holm system	4
A cylindrical coordinates approach concerning azimuthal geophysical flows	4
On combinatorial properties of Gruenberg–Kegel graphs of finite groups	4
$$C^{*}$$-algebra structure on vector valued-Banach algebras	4
On the Cauchy problem for the weakly dissipative modified Camassa–Holm–Novikov equation	4
A study on decay mild solutions for damped elastic systems in Banach spaces	3
Notes on Gödel’s and Scott’s variants of the ontological argument	3
Subspaces with or without a common complement	3
Estimates on Bloch constants for certain log-p-harmonic mappings	3
Cyclicity, hypercyclicity and randomness in self-similar groups	3
Covering by Centralizers	3
Exponential sums over integers without large prime divisors	3
Well-posedness and continuity properties of the Fornberg–Whitham equation in the Besov space $$B^1_{\infty ,1}(\mathbb {R})$$	3
Nonexistence of radial positive solutions for a class of nonpositone problems in a ball	3
Minimal extensions in smooth dynamics	3
Simultaneously non-convergent sequences of points concerning the run-length function in different expansions	3
Diamond on Kurepa trees	3
A measurable spectral decomposition	3
On subspaces of $$\ell _\infty $$ and extreme contractions in $${\mathbb {L}}({\mathbb {X}}, \ell _{\infty }^n)$$	3
An Invitation to MZ-Differentiation	3
B-essential and B-Weyl spectra of sum of two commuting bounded operators by means operator pencils	3
Stability of singular solutions to the b-family of equations	3
The projected homogeneous Ricci flow and its collapses with an application to flag manifolds	3
An inequality in the real Milnor-Thurston monotonicity problem	3
Über approximationen n reeller Zahlen	3
New results on spectral synthesis	3
Stud. phil. Kurt Gödel	3
Hardy’s uncertainty principle for Gabor transform on compact extensions of $$\mathbb {R}^n$$	3
Generalised intermediate dimensions	3
Equivariant basic cohomology of singular Riemannian foliations	3
Smooth approximations preserving asymptotic Lipschitz bounds	2
On polynomials in primes, ergodic averages and monothetic groups	2
A converse to the neo-classical inequality with an application to the Mittag-Leffler function	2
Book reviews	2
The Orlicz–Lorentz centroid inequality for star bodies*	2
GCD inequalities inspired by Vojta’s conjecture	2
Classification of modulated wave solutions for a nonlinear inhomogeneous elasticity material model	2
Connections between the LYZ functionals and volume decomposition functionals of polytopes	2
Pre-Schwarzian norm estimates for the class of janowski starlike functions	2
A refinement of the Hille–Wintner comparison theorem and new nonoscillation criteria for half-linear differential equations	2
On alternative definition of Lucas atoms and their p-adic valuations	2

Chow groups, pull back and class groups	2
Generalized fruit diophantine equation and hyperelliptic curves	2
On the largest prime factors of consecutive integers	2
Bessel functions on time scales and applications to partial dynamic equations	2
On a theorem of Kurepa for partially ordered sets and weak choice	2
A remark on a conjecture of Tan	2
Non-uniform continuity on initial data for the two-component b-family system in Besov space	2
On the mathematical fluid dynamics of atmospheric gravity (buoyancy) waves	2
Unique continuation for water waves and dispersive multiplier equations	2
Orderable groups and semigroup compactifications	2
Structure and automorphisms of pure virtual twin groups	2
Quantitative weak mixing of self-affine tilings	2
Well-posedness and non-uniform dependence on initial data for the Fornberg–Whitham-type equation in Besov spaces	2
A note on conservation laws with discontinuous flux and $$L^1$$ initial data	2
Ill-posedness for the gCH-mCH equation in Besov spaces	2
Wave-breaking phenomena for a new weakly dissipative quasilinear shallow-water waves equation	2
Linnik’s problem in fiber bundles over quadratic homogeneous varieties	2
Integral solutions of a Diophantine equation in quadratic number fields and in $$\mathbb {Z}/p^k \mathbb {Z}$$	2
Asymptotic value of the multidimensional Bohr radius	2
Stability of compressible Navier–Stokes equations with temperature-dependent transport coefficients	2
Singular vectors on manifolds over totally real number fields	2
Closed range Volterra-type integral operators and dynamical sampling	2
A partition statistic for partitions with even parts distinct	2
On the Gauss-Kuzmin-Lévy problem for nearest integer continued fractions	2
The difference of weighted composition operators on Fock spaces	2
Radius properties of harmonic mappings with fixed analytic part	2
Global and local minima of $$\alpha $$-Brjuno functions	2
Gessel–Lucas congruences for sporadic sequences	2
A multiple coupon collection process and its Markov embedding structure	2
Book reviews	2
Entropy rate of product of independent processes	2
The pressure of intricacy and average sample complexity for amenable group actions	2
On azimuthally propagating equatorial atmospheric waves	2
Orlicz amalgam spaces and banach algebra structure	2
Revisiting the geometry of horospheres of the hyperbolic space	2
Some remarks on contractive and existence sets	2
Yet another functional equation involving additive functions	2
Existence and regularity results for some nonlinear singular parabolic problems with absorption terms	2
Beauville p-groups of wild type and groups of maximal class	2
The traveling wave solutions for a two-component b-family equations	2
Hecke’s inverse cotangent numbers	2
Characterizations for the existence of traces of first-order Sobolev spaces on hyperbolic fillings	2
Nonoscillation of the Mathieu-type half-linear differential equation and its application to the generalized Whittaker–Hill-type equation	2