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• The preprints of the UC Department of Mathematics are supported by the Centre for Mathematics of the University of Coimbra.

2026

[26-42]	K. Castillo,
	A solution to Meneguette's polynomial problem.
	pdf file

[26-41]	Lennart Obster,
	Fat Lie Theory.
	pdf file

[26-40]	Fernando Lucatelli Nunes, Diogo Simm, and Matthijs Vákár,
	Simply typed reverse-mode automatic differentiation with variants: denotational correctness via idempotent completion.
	pdf file

[26-39]	Amílcar Branquinho, Ana Foulquié-Moreno, and Manuel Mañas,
	Bidiagonal factorization of banded recursion matrices for mixed-type multiple orthogonal polynomials.
	pdf file

[26-38]	Amílcar Branquinho, Ana Foulquié-Moreno, and Manuel Mañas,
	Unbounded banded matrices, shifted positive bidiagonal factorizations, and mixed-type multiple orthogonality.
	pdf file

[26-37]	Amílcar Branquinho, Ana Foulquié-Moreno, and Manuel Mañas,
	Spectral theory for Markov chains with transition matrix admitting a stochastic bidiagonal factorization.
	pdf file

[26-36]	Carlos Tenreiro,
	On a wrapped kernel class of density estimators for circular data.
	pdf file

[26-35]	Diogo Simm, Fernando Lucatelli Nunes, and Matthijs Vákár,
	Backpropagation for effectful languages I: Finite probability and discrete output algebraic effects.
	pdf file

[26-34]	Natália Bebiano, Rute Lemos, and Graça Soares,
	Optimized stencil strategy for the generalized finite difference method: application to steady-state non-linear problems.
	pdf file

[26-33]	S. Clain, M.T. Malheiro, G.J. Machado, and R. Costa,
	The structural method for ordinary differential equations: toward extreme-orders of accuracy.
	pdf file

[26-32]	Stéphane Clain, Emmanuel Franck, and Victor Michel-Dansac,
	Structural schemes for Hamiltonian systems.
	pdf file

[26-31]	David Jesus, Aelson Sobral, and José Miguel Urbano,
	Lipschitz regularity for the parabolic (s,p)-obstacle problem.
	pdf file

[26-30]	K. Castillo and Â. Macedo,
	On a measure-theoretic reading of β-Grüss type inequalities.
	pdf file

[26-29]	Adérito Araújo, Gonçalo Inocêncio Oliveira, and João Nuno Mestre,
	Poisson Hamiltonian neural networks: structure-preserving learning of dynamical systems.
	pdf file

[26-28]	Adérito Araújo, Gonçalo Inocêncio Oliveira, and João Nuno Mestre,
	Jacobi Hamiltonian Integrators: construction and applications.
	pdf file

[26-27]	Gonçalo Gutierres and Ricardo Mamede,
	Taxicab and Euclidean metrics on permutations with prescribed peak set.
	pdf file

[26-26]	David Jesus, Aelson Sobral, and José Miguel Urbano,
	Fractional p-caloric functions are Lipschitz.
	pdf file

[26-25]	Dorothee D. Haroske, Susana D. Moura, and Leszek Skrzypczak,
	Compact embeddings of generalised Morrey smoothness spaces on bounded domains.
	pdf file

[26-24]	Hamza Ennaji, Noureddine Igbida, Ghadir Jradi, and José Miguel Urbano,
	A coupled prediction-correction Hughes' model for congested crowd motion.
	pdf file

[26-23]	Nuno J. Alves and José Miguel Urbano,
	An L1-theory for p-Schrödinger equations with confinement in measure.
	pdf file

[26-22]	Idir Arab, Tommaso Lando, Paulo Eduardo Oliveira, and Tomasz Rychlik,
	Integral stochastic orders of m-generalized order statistics from transform-ordered nonparametric families.
	pdf file

[26-21]	Michael A. Hoefnagel, Nelson Martins-Ferreira, and Manuela Sobral,
	On the zero-classes of monoid semi-congruences.
	pdf file

[26-20]	Claudemir Alcantara, Makson S. Santos, and José Miguel Urbano,
	Gradient regularity for a class of singular or degenerate elliptic equations.
	pdf file

[26-19]	Giuseppe Di Fazio, Rafayel Teymurazyan, and José Miguel Urbano,
	Higher Hölder regularity for degenerate elliptic PDEs with data in Morrey spaces.
	pdf file

[26-18]	Damião J. Araújo, Aelson Sobral, Eduardo V. Teixeira, and José Miguel Urbano,
	Borderline regularity in singular free boundary problems.
	pdf file

[26-17]	Kenier Castillo and Guillermo Gordillo-Núñez,
	The manufacture of examples: the (-1)-classical orthogonal polynomials.
	pdf file

[26-16]	Kenier Castillo,
	Half-step-invariant sets, admissible maps, and classical orthogonal polynomials.
	pdf file

[26-15]	Kenier Castillo and Guillermo Gordillo-Núñez,
	Yet another characterisation of classical orthogonal polynomials?
	pdf file

[26-14]	Kenier Castillo and Guillermo Gordillo-Núñez,
	Wendroff's theorem beyond consecutive degrees and related inverse spectral problems.
	pdf file

[26-13]	Idir Arab, Milto Hadjikyriakou, and Paulo Eduardo Oliveira,
	Stochastic ordering of dependent systems under transformation models and Archimedean copulas.
	pdf file

[26-12]	Ivan Beschastnyi, Francesco Cattafi, and João Nuno Mestre,
	Sub-Riemannian structures and non-transitive Cartan geometries via Lie groupoids.
	pdf file

[26-11]	Alexander Kovacec,
	A conjecture more precise and stronger than the one by Marcus and de Oliveira.
	pdf file

[26-10]	J.A. Ferreira, F. Oliveira, and G. Pena,
	The linearized Westervelt-Pennes bioheat system: numerical analysis and simulation.
	pdf file

[26-09]	Carlos Tenreiro,
	Higher-order kernels in the estimation of a probability density function and its derivatives for circular data.
	pdf file

[26-08]	Tommaso Lando and Paulo Eduardo Oliveira,
	New results and tests for stochastic dominance between linear combinations.
	pdf file

[26-07]	M. A. Facas Vicente and José Vitória,
	Matrix polynomials whose eingenvalues are the differences of the eigenvalues of a given matrix polynomial.
	pdf file

[26-06]	Maria Manuel Clementino and Diana Rodelo,
	A note on varieties of ordered algebras.
	pdf file

[26-05]	Dmitry Vorotnikov,
	A unified duality framework for barotropic, quantum and Korteweg fluids.
	pdf file

[26-04]	Maria Manuel Clementino and Andrea Montoli,
	Algebraic exponentiation and action representability for V-groups.
	pdf file

[26-03]	A. Fernandes, J. A. Ferreira, and G. Pena,
	A parabolic-elliptic-hyperbolic system of Keller-Segel type: numerical analysis and simulation.
	pdf file

[26-02]	Olga Azenhas,
	The symplectic left companion of a Littlewood-Richardson-Sundaram tableau and the Kwon property.
	pdf file

[26-01]	Dmitry Vorotnikov and Amit Acharya,
	On the variational dual formulation of the Nash system and an adaptive convex gradient-flow approach to nonlinear PDEs.
	pdf file

The DMUC Preprint Series was founded in 1994. It serves as a prepublication medium for the scientific output of DMUC and CMUC. The current editor of DMUC-Preprints is Jorge Picado. Contributions can be sent to  .