OOIR: Observatory of International Research

Papers

(The TQCC of Journal of Fixed Point Theory and Applications 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 2021-09-01 to 2025-09-01.)

Article	Citations
Generalized Halpern iteration with new control conditions and its application	37
Radially symmetric solutions of a nonlinear singular elliptic equation	26
Existence of solutions and approximate controllability of second-order stochastic differential systems with Poisson jumps and finite delay	15
The Verlinde traces for $$SU_{X}(2,\xi )$$ and blow-ups	14
Multiple solutions of the Dirichlet problem in multidimensional billiard spaces	13
Least energy radial sign-changing solutions for pseudo-relativistic Hartree equations in $$\mathbb {R}^N$$	12
Symmetry and uniqueness for a hinged plate problem in a ball	12
A condition on uniform spaces for the existence of maximal elements and fixed points	11
Positive least energy solutions for k-coupled Schrödinger system with critical exponent: the higher dimension and cooperative case	10
On dual cone theory for Euclidean Bosonic equations	9
Surgery operations on Anosov flows via contact geometry: a survey	9
Basic facts and naive questions	8
Nielsen numbers of affine n-valued maps on nilmanifolds	7
Well-posedness of the Boussinesq systems on whole line time-axis and on weighted spaces	7
Nontrivial p-$$k_i$$-convex radial solutions for p-$$k_i$$-Hessian systems: existence and asymptotic behavior	7
Classification, non-degeneracy and existence of solutions to nonlinear Choquard equations	7
Correction to: On curves with the Poritsky property	7
Uniqueness of local solutions to the Boltzmann equation	7
Non-negative solutions of a sublinear elliptic problem	7
Elliptic problems with mixed nonlinearities and potentials singular at the origin and at the boundary of the domain	7
On an Ambrosetti–Prodi type problem in $$\mathbb {R}^N$$	7
The rigid-flexible value for symplectic embeddings of four-dimensional ellipsoids into polydiscs	6
On weakly exact Lagrangians in Liouville bi-fillings	6
On self-maps of complex flag manifolds	6
$$C^0$$-robustness of topological entropy for geodesic flows	6

Nonlocal differential equations with convex convolution coefficients	6
Normalized solutions for INLS equation with critical Hardy–Sobolev type nonlinearities	6
Normalized solutions to the Chern–Simons–Schrödinger system: the supercritical case	5
Applications of the Banach fixed-point theorem to analyze insolvency problems of an insurance company	5
Invariant measures for place-dependent idempotent iterated function systems	5
Most continuous and increasing functions on a compact real interval have infinitely many different fixed points	5
Single peak solutions for an elliptic system of FitzHugh–Nagumo type	5
Existence of normalized positive solution of nonhomogeneous biharmonic Schrödinger equations: mass-supercritical case	5
Syzygy sequences of the three-center problem	4
Positive solution for an elliptic system with critical exponent and logarithmic terms: the higher-dimensional cases	4
A Lagrangian Klein bottle you can’t squeeze	4
Periodic solutions for nonresonant parabolic equations on $${\mathbb {R}}^N$$ with Kato–Rellich type potentials	4
The existence of $$S^1\times C_p$$-maps between representation spheres and its applications	4
Three shrinking projection methods with multiple inertial effects for solving a class of split feasibility problems	4
Combinatorial formulas for some generalized Ekeland-Hofer-Zehnder capacities of convex polytopes	4
Breather solutions in conservative and dissipative nonlinear Klein–Gordon lattices	4
Ekeland variational principle on quasi-weighted graphs: improving the work–family balance	4
Bifurcations from degenerate orbits of solutions of nonlinear elliptic systems	4
Volume-preserving right-handed vector fields are conformally Reeb	4
New classes of Picard operators	4
Multiplicity of normalized solutions for dipolar Gross-Pitaevskii equation with a mass subcritical perturbation	3
The method of lower and upper solutions for second order periodic Stieltjes differential equations	3
The Anosov–Katok method and pseudo-rotations in symplectic dynamics	3
Multiple normalized solutions to Schrödinger equations in $$\mathbb {R}^N$$ with critical growth and potential	3
Periodic points of mappings contracting total pairwise distances	3
A Poincaré–Birkhoff theorem for multivalued successor maps with applications to periodic superlinear Hamiltonian systems	3
Vũ Ngọc’s conjecture on focus-focus singular fibers with multiple pinched points	3
Generic hyperbolic Mañé sets have zero entropy	3
Fixed point and surjectivity results for e-quasibounded and (mws)-compact multivalued maps and applications	3
Correction to: Fixed point theory of cyclic operators	3
An algebraic approach to the algebraic Weinstein conjecture	3
A fixed point theorem and Ulam stability of a general linear functional equation in random normed spaces	3
Correction to: Multi-step inertial Krasnosel’skiǐ–Mann iteration with new inertial parameters arrays	3
Lagrangian skeleta and plane curve singularities	3
Existence and asymptotic behavior of solutions for nonhomogeneous Schrödinger–Poisson system with exponential and logarithmic nonlinearities	3
Laminar flow in channels with porous walls: advancing the existence, uniqueness and approximation of solutions via fixed point approaches	3
Finite Morse index solutions of a nonlinear Schrödinger equation in half-space with nonlinear boundary value conditions	3
Set theoretical pathologies in the problem of Lyapunov stability of singular points of vector fields	3
Existence of invariant idempotent measures by contractivity of idempotent Markov operators	3
On a symplectic generalization of a Hirzebruch problem	3
Stabilization in dipolar Gross–Pitaevskii theory by mass-subcritical perturbation	3
Comments on the cosmic convergence of nonexpansive maps	3
Symmetry and monotonicity of positive solutions for a Choquard equation involving the logarithmic Laplacian operator	2
Properties of the minimizers for a constrained minimization problem arising in fractional NLS system	2
Abstract analysis for a coupled system of evolution equations via topological approach	2
Non-variational radial solutions to a singular elliptic Dirichlet problem on the disk with Leray potential	2
Existence of mild solutions for impulsive evolution equation with nonlocal condition	2
The higher integrability of weak solutions of critical Choquard parabolic equations	2
Existence and nonuniqueness of solutions for a class of asymptotically linear nonperiodic Schrödinger equations	2
Global bifurcation of non-radial solutions for symmetric sub-linear elliptic systems on the planar unit disc	2

Pohožaev method and nontrivial ground state solutions for a class of quasilinear Schrödinger system	2
Simple closed geodesics in dimensions $$\ge 3$$	2
On the convergence of solutions to an incomplete Cauchy problem governed by a quasi-convex function and a quasi-nonexpansive operator	2
Lefschetz integral in finite spaces and its applications	2
A Smörgåsbord of (bi)contact structures, Reeb flows and pseudo-Anosov flows	2
Existence of positive solutions for one dimensional Minkowski curvature problem with singularity	2
Non-potential systems with relativistic operators and maximal monotone boundary conditions	2
On the periodic structure of $$C^1$$ self-maps on the product of spheres of different dimensions	2
Existence and convergence of solutions for p-Laplacian systems with homogeneous nonlinearities on graphs	2
Existence and multiplicity results for a system involving an anisotropic $$({\mathop {p}\limits ^{\rightarrow }},{\mathop {q}\limits ^{\rightarrow }})$$-Laplacian type operator	2
Cuplength estimates for periodic solutions of Hamiltonian particle-field systems	2
Global structure of positive solutions for a Neumann problem with indefinite weight in Minkowski space	2
Beyond Cauchy–Kowalewsky: a Picard–Lindelöf theorem for smooth PDE	2
Polytope Novikov homology	2
On a class of planar Schrödinger–Poisson systems with a bounded potential well	2
Variational structures for infinite transition orbits of monotone twist maps	2
Higher symplectic capacities and the stabilized embedding problem for integral ellipsoids	2
Periods of Morse–Smale diffeomorphisms on $${\mathbb {S}}^n$$, $${\mathbb {S}}^m \times {\mathbb {S}}^n$$, $${\mathbb {C}}{\mathbf{P }}^n$$ and $${\mathbb {H}}{\mathbf{P }}^n$$	2
Diffeomorphism type via aperiodicity in Reeb dynamics	2
Orientability through the algebraic multiplicity	2
On fixed points of locally and pointwise contractive set-valued maps with an application to the existence of Nash equilibrium in games	2
Hutchings’ inequality for the Calabi invariant revisited with an application to pseudo-rotations	2
Concepts of almost periodicity and ergodic theorems in locally convex spaces	2