Carlos Beltrán

49 papers B 3Misc 2Journal 41Unranked 3

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Implementation of the hybrid exchange-correlation functionals in the siesta code. Comput. Phys. Commun. Yann Pouillon, Bill Clintone Oyomo, James Sifuna, María Camarasa-Gómez, Xinming Qin, Carlos Beltrán, Fernando Gómez-Ortiz, Honghui Shang, Javier Junquera
2025	J	`jnl`	Measure-preserving mappings from the unit cube to some symmetric spaces. J. Approx. Theory Carlos Beltrán, Damir Ferizovic, Pedro R. López-Gómez
2025	J	`jnl`	Univariate amenable functions. CoRR Carlos Beltrán
2024	J	`jnl`	Constellations on the Sphere With Efficient Encoding-Decoding for Noncoherent Communications. IEEE Trans. Wirel. Commun. Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2024	—	`conf`	Structured Multi-Antenna Grassmannian Constellations for Noncoherent Communications. SAM Diego Cuevas, Carlos Beltrán, Mikel Gutiérrez, Ignacio Santamaría, Vít Tucek
2023	J	`jnl`	Constrained Riemannian Noncoherent Constellations for the MIMO Multiple Access Channel. IEEE Trans. Inf. Theory Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2023	J	`jnl`	Low-energy points on the sphere and the real projective plane. J. Complex. Carlos Beltrán, Ujué Etayo, Pedro R. López-Gómez
2023	Misc	`conf`	Noncoherent Multiuser Grassmannian Constellations for the Mimo Multiple Access Channel. ICASSP Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2023	J	`jnl`	The Average Condition Number of Most Tensor Rank Decomposition Problems is Infinite. Found. Comput. Math. Carlos Beltrán, Paul Breiding, Nick Vannieuwenhoven
2023	J	`jnl`	Union Bound Minimization Approach for Designing Grassmannian Constellations. IEEE Trans. Commun. Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2022	B	`conf`	A Measure Preserving Mapping for Structured Grassmannian Constellations in SIMO Channels. GLOBECOM Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2022	—	`conf`	Coherence-based Subspace Packings for MIMO Noncoherent Communications. EUSIPCO Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2022	J	`jnl`	Constellations on the Sphere with Efficient Encoding-Decoding for Noncoherent Communications. CoRR Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2022	J	`jnl`	Constrained Riemannian Noncoherent Constellations for the MIMO Multiple Access Channel. CoRR Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2022	J	`jnl`	How well-conditioned can the eigenvector problem be? Math. Comput. Carlos Beltrán, Laurent Bétermin, Peter Grabner, Stefan Steinerberger
2022	J	`jnl`	Statistical characterization of the chordal product determinant of Grassmannian codes. CoRR Javier Álvarez-Vizoso, Carlos Beltrán, Diego Cuevas, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2021	—	`conf`	A Fast Algorithm for Designing Grassmannian Constellations. WSA Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters
2021	J	`jnl`	How well-conditioned can the eigenvalue problem be? CoRR Carlos Beltrán, Laurent Bétermin, Peter Grabner, Stefan Steinerberger
2021	J	`jnl`	On Gegenbauer Point Processes on the unit interval. CoRR Carlos Beltrán, Antonia M. Delgado, Lidia Fernández, Joaquín F. Sánchez Lara
2021	J	`jnl`	Relative-error stability of numerical algorithms. CoRR Carlos Beltrán, Vanni Noferini, Nick Vannieuwenhoven
2020	J	`jnl`	The Diamond ensemble: A constructive set of spherical points with small logarithmic energy. J. Complex. Carlos Beltrán, Ujué Etayo
2020	J	`jnl`	The Real Polynomial Eigenvalue Problem is Well Conditioned on the Average. Found. Comput. Math. Carlos Beltrán, Khazhgali Kozhasov
2019	J	`jnl`	Discrete and continuous green energy on compact manifolds. J. Approx. Theory Carlos Beltrán, Nuria Corral, Juan G. Criado del Rey
2019	J	`jnl`	Pencil-Based Algorithms for Tensor Rank Decomposition are not Stable. SIAM J. Matrix Anal. Appl. Carlos Beltrán, Paul Breiding, Nick Vannieuwenhoven
2019	J	`jnl`	The Polynomial Eigenvalue Problem is Well Conditioned for Random Inputs. SIAM J. Matrix Anal. Appl. Diego Armentano, Carlos Beltrán
2017	J	`jnl`	Homotopy Continuation for Spatial Interference Alignment in Arbitrary MIMO X Networks. IEEE Trans. Signal Process. Jacobo Fanjul, Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán
2016	J	`jnl`	Condition Length and Complexity for the Solution of Polynomial Systems. Found. Comput. Math. Diego Armentano, Carlos Beltrán, Peter Bürgisser, Felipe Cucker, Michael Shub
2016	J	`jnl`	Energy and discrepancy of rotationally invariant determinantal point processes in high dimensional spheres. J. Complex. Carlos Beltrán, Jordi Marzo, Joaquim Ortega-Cerdà
2015	J	`jnl`	A Facility Location Formulation for Stable Polynomials and Elliptic Fekete Points. Found. Comput. Math. Carlos Beltrán
2015	J	`jnl`	On the Number of Interference Alignment Solutions for the K-User MIMO Channel With Constant Coefficients. IEEE Trans. Inf. Theory Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría
2014	J	`jnl`	A Feasibility Test for Linear Interference Alignment in MIMO Channels With Constant Coefficients. IEEE Trans. Inf. Theory Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría
2013	Misc	`conf`	Computing the degrees of freedom for arbitrary MIMO interference channels. ICASSP Oscar Gonzalez, Cristian Lameiro, Javier Vía, Carlos Beltrán, Ignacio Santamaría
2013	B	`conf`	Finding the number of feasible solutions for linear interference alignment problems. ISIT Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán
2013	J	`jnl`	On the Number of Interference Alignment Solutions for the K-User MIMO Channel with Constant Coefficients CoRR Óscar González, Carlos Beltrán, Ignacio Santamaría
2013	J	`jnl`	Robust Certified Numerical Homotopy Tracking. Found. Comput. Math. Carlos Beltrán, Anton Leykin
2012	B	`conf`	A general test to check the feasibility of linear interference alignment. ISIT Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán
2012	J	`jnl`	Certified Numerical Homotopy Tracking. Exp. Math. Carlos Beltrán, Anton Leykin
2012	J	`jnl`	Convexity Properties of the Condition Number II. SIAM J. Matrix Anal. Appl. Carlos Beltrán, Jean-Pierre Dedieu, Gregorio Malajovich, Mike Shub
2012	J	`jnl`	On the Feasibility of Interference Alignment for the K-User MIMO Channel with Constant Coefficients CoRR Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría
2012	J	`jnl`	On the Geometry and Topology of the Solution Variety for Polynomial System Solving. Found. Comput. Math. Carlos Beltrán, Michael Shub
2011	J	`jnl`	A continuation method to solve polynomial systems and its complexity. Numerische Mathematik Carlos Beltrán
2011	J	`jnl`	Fast Linear Homotopy to Find Approximate Zeros of Polynomial Systems. Found. Comput. Math. Carlos Beltrán, Luis Miguel Pardo
2010	J	`jnl`	A Note on the Finite Variance of the Averaging Function for Polynomial System Solving. Found. Comput. Math. Carlos Beltrán, Michael Shub
2009	J	`jnl`	Complexity of Bezout's Theorem VII: Distance Estimates in the Condition Metric. Found. Comput. Math. Carlos Beltrán, Michael Shub
2009	J	`jnl`	Convexity Properties of the Condition Number. SIAM J. Matrix Anal. Appl. Carlos Beltrán, Jean-Pierre Dedieu, Gregorio Malajovich, Mike Shub
2008	J	`jnl`	On Smale's 17th Problem: A Probabilistic Positive Solution. Found. Comput. Math. Carlos Beltrán, Luis Miguel Pardo
2007	J	`jnl`	Estimates on the Distribution of the Condition Number of Singular Matrices. Found. Comput. Math. Carlos Beltrán, Luis Miguel Pardo
2007	J	`jnl`	On the probability distribution of condition numbers of complete intersection varieties and the average radius of convergence of Newton's method in the underdetermined case. Math. Comput. Carlos Beltrán, Luis Miguel Pardo
2007	J	`jnl`	On the probability distribution of singular varieties of given corank. J. Symb. Comput. Carlos Beltrán, Luis Miguel Pardo