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 2022-05-01 to 2026-05-01.)

Article	Citations
Generalized Halpern iteration with new control conditions and its application	26
Radially symmetric solutions of a nonlinear singular elliptic equation	16
The Verlinde traces for $$SU_{X}(2,\xi )$$ and blow-ups	13
Symmetry and uniqueness for a hinged plate problem in a ball	13
Surgery operations on Anosov flows via contact geometry: a survey	12
On dual cone theory for Euclidean Bosonic equations	11
Least energy radial sign-changing solutions for pseudo-relativistic Hartree equations in $$\mathbb {R}^N$$	10
Existence of solutions and approximate controllability of second-order stochastic differential systems with Poisson jumps and finite delay	10
A condition on uniform spaces for the existence of maximal elements and fixed points	10
Multiple solutions of the Dirichlet problem in multidimensional billiard spaces	9
Multiple positive solutions of fourth-order beam equations with p-th growth terms under Riemann–Stieltjes integral boundary conditions	8
Nontrivial p-$$k_i$$-convex radial solutions for p-$$k_i$$-Hessian systems: existence and asymptotic behavior	8
Normalized solutions for INLS equation with critical Hardy–Sobolev type nonlinearities	7
Nonlinear $$r(\zeta )$$-Laplacian-like problem with two nonlocal terms and without Ambrosetti–Rabinowitz condition on compact Riemannian manifolds	7
Limit behavior of minimizers for the Gross-Pitaevskii functional with a mass subcritical perturbation	7
On weakly exact Lagrangians in Liouville bi-fillings	7
Elliptic problems with mixed nonlinearities and potentials singular at the origin and at the boundary of the domain	6
Second-order boundary regularity for degenerate elliptic problems	6
Two positive normalized solutions for the mass-energy doubly critical Kirchhoff equation	6
Classification, non-degeneracy and existence of solutions to nonlinear Choquard equations	6
The unique positive radial solution for a class of k-Hessian equation with a negative augmented term	6
On self-maps of complex flag manifolds	5
Uniqueness of local solutions to the Boltzmann equation	5
Well-posedness of the Boussinesq systems on whole line time-axis and on weighted spaces	5
Non-negative solutions of a sublinear elliptic problem	5

On an Ambrosetti–Prodi type problem in $$\mathbb {R}^N$$	5
Nielsen numbers of affine n-valued maps on nilmanifolds	5
Correction to: On curves with the Poritsky property	5
Nonlocal differential equations with convex convolution coefficients	4
Single peak solutions for an elliptic system of FitzHugh–Nagumo type	4
Normalized solutions to the Chern–Simons–Schrödinger system: the supercritical case	4
Invariant measures for place-dependent idempotent iterated function systems	4
The rigid-flexible value for symplectic embeddings of four-dimensional ellipsoids into polydiscs	4
Existence of normalized positive solution of nonhomogeneous biharmonic Schrödinger equations: mass-supercritical case	4
Applications of the Banach fixed-point theorem to analyze insolvency problems of an insurance company	4
Concentration phenomena for fractional Schrödinger equation with critical and logarithmic nonlinearities	4
Most continuous and increasing functions on a compact real interval have infinitely many different fixed points	4
Amann’s three solutions theorems for semilinear operator equation and applications	3
Volume-preserving right-handed vector fields are conformally Reeb	3
Breather solutions in conservative and dissipative nonlinear Klein–Gordon lattices	3
Finite Morse index solutions of a nonlinear Schrödinger equation in half-space with nonlinear boundary value conditions	3
Fixed point and surjectivity results for e-quasibounded and (mws)-compact multivalued maps and applications	3
Generic hyperbolic Mañé sets have zero entropy	3
A Lagrangian Klein bottle you can’t squeeze	3
Periodic solutions to the planar $$L_p$$ dual Minkowski problem with sign-changing data	3
New classes of Picard operators	3
Three shrinking projection methods with multiple inertial effects for solving a class of split feasibility problems	3
Set theoretical pathologies in the problem of Lyapunov stability of singular points of vector fields	3
Correction to: Fixed point theory of cyclic operators	3
Normalized solution for quasilinear Schrödinger operators with general potentials: the $$L^p$$-supercritical case	3
Syzygy sequences of the three-center problem	3
KKM, $$\text {L}^*$$, Sperner principles and Nash equilibrium	3
Positive solution for an elliptic system with critical exponent and logarithmic terms: the higher-dimensional cases	3
The existence of $$S^1\times C_p$$-maps between representation spheres and its applications	3
Bifurcations from degenerate orbits of solutions of nonlinear elliptic systems	3
The method of lower and upper solutions for second order periodic Stieltjes differential equations	3
Ekeland variational principle on quasi-weighted graphs: improving the work–family balance	3
Laminar flow in channels with porous walls: advancing the existence, uniqueness and approximation of solutions via fixed point approaches	2
Existence of invariant idempotent measures by contractivity of idempotent Markov operators	2
Nonnegative solutions to a weighted indefinite elliptic Schrödinger equation	2
Non-variational radial solutions to a singular elliptic Dirichlet problem on the disk with Leray potential	2
The higher integrability of weak solutions of critical Choquard parabolic equations	2
A Poincaré–Birkhoff theorem for multivalued successor maps with applications to periodic superlinear Hamiltonian systems	2
Existence of positive solutions for one dimensional Minkowski curvature problem with singularity	2
Orientability through the algebraic multiplicity	2
Lefschetz integral in finite spaces and its applications	2
Hutchings’ inequality for the Calabi invariant revisited with an application to pseudo-rotations	2
A semilinear system of Schrödinger–Maxwell type with exponential nonlinearities	2
A Smörgåsbord of (bi)contact structures, Reeb flows and pseudo-Anosov flows	2
Quadratic systems with two invariant real straight lines and an invariant ellipse	2
Existence and asymptotic behavior of solutions for nonhomogeneous Schrödinger–Poisson system with exponential and logarithmic nonlinearities	2
Stabilization in dipolar Gross–Pitaevskii theory by mass-subcritical perturbation	2
Existence of mild solutions for impulsive evolution equation with nonlocal condition	2
Multiple normalized solutions to Schrödinger equations in $$\mathbb {R}^N$$ with critical growth and potential	2
Vũ Ngọc’s conjecture on focus-focus singular fibers with multiple pinched points	2

A fixed point theorem and Ulam stability of a general linear functional equation in random normed spaces	2
Existence and multiplicity results for a system involving an anisotropic $$({\mathop {p}\limits ^{\rightarrow }},{\mathop {q}\limits ^{\rightarrow }})$$-Laplacian type operator	2
On the convergence of solutions to an incomplete Cauchy problem governed by a quasi-convex function and a quasi-nonexpansive operator	2
Beyond Cauchy–Kowalewsky: a Picard–Lindelöf theorem for smooth PDE	2
Birkhoff–Kellogg type results in product spaces and their application to differential systems	2
Variational structures for infinite transition orbits of monotone twist maps	2
Properties of the minimizers for a constrained minimization problem arising in fractional NLS system	2
Periodic points of mappings contracting total pairwise distances	2
Multiplicity of normalized solutions for dipolar Gross-Pitaevskii equation with a mass subcritical perturbation	2
On the coincidence set of certain maps into homogeneous spaces of compact Lie groups	2
On a symplectic generalization of a Hirzebruch problem	2
On the periodic structure of $$C^1$$ self-maps on the product of spheres of different dimensions	2
On a class of planar Schrödinger–Poisson systems with a bounded potential well	2
Non-potential systems with relativistic operators and maximal monotone boundary conditions	2
Higher symplectic capacities and the stabilized embedding problem for integral ellipsoids	2
Pohožaev method and nontrivial ground state solutions for a class of quasilinear Schrödinger system	2
Concepts of almost periodicity and ergodic theorems in locally convex spaces	2
Cuplength estimates for periodic solutions of Hamiltonian particle-field systems	2
Existence and nonuniqueness of solutions for a class of asymptotically linear nonperiodic Schrödinger equations	2
Abstract analysis for a coupled system of evolution equations via topological approach	2
Existence and convergence of solutions for p-Laplacian systems with homogeneous nonlinearities on graphs	2