OOIR: Observatory of International Research

Papers

(The TQCC of Expositiones Mathematicae is 1. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Categorical notions of fibration	13
Sturm’s theorem on zeros of linear combinations of eigenfunctions	12
Some remarks on Birkhoff–James orthogonality of linear operators	9
Coefficients and higher order derivatives of cyclotomic polynomials: Old and new	9
A historical perspective of Tian’s evolution algebras	8
von Neumann’s trace inequality for Hilbert–Schmidt operators	7
Classical dynamics, arrow of time, and genesis of the Heisenberg commutation relations	7
The Bateman–Horn conjecture: Heuristic, history, and applications	7
The Euler and Springer numbers as moment sequences	6
The density theorem for discrete series representations restricted to lattices	5
A survey on coefficients of cyclotomic polynomials	5
On extreme contractions between real Banach spaces	5
De Moivre and Bell polynomials	5
The automorphism group of the universal Coxeter group	4
Extinction times of an inhomogeneous Feller diffusion process: A PDE approach	4
A modern look at algebras of operators onL	4
Filtering germs: Groupoids associated to inverse semigroups	4
Pythagoras numbers of orders in biquadratic fields	4
Constructive approach to the monotone rearrangement of functions	4
A note on commutators in algebras of unbounded operators	4
Chevalley–Warning at the boundary	4
A survey on algebraic and explicit non-algebraic limit cycles in planar differential systems	4
Chabauty limits of parahoric subgroups of SL<	3
Ultradifferentiable extension theorems: A survey	3
Some generalizations of the functions τ and 3

A unified view on the functorial nerve theorem and its variations	3
Hutchinson without Blaschke: An alternative way to fractals	3
Introduction to the combinatorial atlas	3
The emergence of time	3
How to prove that a sequence is not automatic	3
An extension of a q-deformed Heisenberg algebra and its Lie polynomia	3
On a spectral theorem of Weyl	2
Stoïlow’s theorem revisited	2
Entropy numbers of finite-dimensional embeddings	2
Around a theorem of F. Dyson and A. Lenard: Energy equilibria for point charge distributions in classical electrostatics	2
A state-space approach to quantum permutations	2
Introducing memory to a family of multi-step multidimensional iterative methods with weight function	2
Dickson’s Lemma, Higman’s Theorem and Beyond: A survey of some basic results in order theory	2
Controlling monotonicity of nonlinear operators	2
The classical limit and spontaneous symmetry breaking in algebraic quantum theory	2
Laplace and bi-Laplace equations for directed networks and Markov chains	2
Leaf closures of Riemannian foliations: A survey on topological and geometric aspects of Killing foliations	2
Dissipative extension theory for linear relations	2
Which domains have two-sided supporting unit spheres at every boundary point?	2
Explicit Artin maps into PGL	1
Korovkin-type theorems and local approximation problems	1
Distances on the moduli space of complex projective structures	1
On some characterizations of greedy-type bases	1
Differential structure associated to axiomatic Sobolev spaces	1
Geography of 4-manifolds with positive scalar curvature	1
The best constant in a Hilbert-type inequality	1
Cotangent bundles for “matrix algebras converge to the sphere”	1
A simple algorithm for expanding a power series as a continued fraction	1
Observations about the Lie algebra g<	1
Abelian von Neumann algebras, measure algebras and L	1
Weak independence of events and the converse of the Borel–Cantelli Lemma	1
Property FW and wreath products of groups: A simple approach using Schreier graphs	1
The sympathetic sceptic’s guide to semigroup representations	1
Ramanujan-type systems of nonlinear ODEs for Γ	1
Homotopy groups of cubical sets	1
Waring-Hilbert problem on Cantor sets	1
Phase portraits of separable quadratic systems and a bibliographical survey on quadratic systems	1
A nonstandard proof of the spectral theorem for unbounded self-adjoint operators	1
Coset topologies on Z and arithmetic appli	1
A generalization of Hardy’s operator and an asymptotic Müntz–Szász Theorem	1
On three general forms of multiple zeta(-star) values	1
Independent sets of generators of prime power order	1
Mild pro-p groups and the Koszulity conjectures	1
Parallelisability of 3-manifolds via surgery	1
A relatively short self-contained proof of the Baker–Campbell–Hausdorff theorem	1
A class of graphs with a few well-covered members	1
Weighted inequalities for higher dimensional one-sided Hardy–Littlewood maximal function in Orlicz spaces	1
Rational points on Atkin–Lehner quotients of geometrically hyperelliptic Shimura curves	1
Cellularization for exceptional spherical space forms and the flag manifold of	1
Hodge–de Rham numbers of almost complex 4-manifolds	1

Logarithmic moduli of roots of line bundles on curves	1
On the Geometric Zilber–Pink theorem and the Lawrence–Venkatesh method	1
Notes on equivariant bundles	1
Geometric non-commutative geometry	1
Dynamics, points and places at infinity, and the inversion of polynomial self-maps of <	1
A theorem of Joseph-Alfred Serret and its relation to perfect quantum state transfer	1