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ORCIDCarlos Beltrán 0001
Person information
- affiliation (PhD): University of Cantabria (UC), Department of Mathematics, Statistics and Computation, Santander, Spain
Other persons with the same name
- Carlos Beltrán
- Carlos Beltrán 0002
![[0000-0001-6537-2049]](https://dblp.uni-trier.de/img/orcid-mark.12x12.png "0000-0001-6537-2049")
(aka: Carlos Beltrán-González) — Italian Institute of Technology (IIT), Pattern Analysis and Computer Vision (PAVIS), Genova, Italy - Carlos Beltrán 0003 — Universitat Politècnica de Catalunya, Barcelona, Spain
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Journal Articles
- 2025
[j31]Carlos Beltrán, Damir Ferizovic, Pedro R. López-Gómez:
Measure-preserving mappings from the unit cube to some symmetric spaces. J. Approx. Theory 308: 106145 (2025)- 2024
- [j30]Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Constellations on the Sphere With Efficient Encoding-Decoding for Noncoherent Communications. IEEE Trans. Wirel. Commun. 23(3): 1886-1898 (2024) - 2023
- [j29]Carlos Beltrán, Paul Breiding, Nick Vannieuwenhoven:
The Average Condition Number of Most Tensor Rank Decomposition Problems is Infinite. Found. Comput. Math. 23(2): 433-491 (2023) - [j28]Carlos Beltrán, Ujué Etayo, Pedro R. López-Gómez:
Low-energy points on the sphere and the real projective plane. J. Complex. 76: 101742 (2023) - [j27]Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Union Bound Minimization Approach for Designing Grassmannian Constellations. IEEE Trans. Commun. 71(4): 1940-1952 (2023) - [j26]Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Constrained Riemannian Noncoherent Constellations for the MIMO Multiple Access Channel. IEEE Trans. Inf. Theory 69(7): 4559-4578 (2023) - 2022
- [j25]Carlos Beltrán, Laurent Bétermin, Peter Grabner, Stefan Steinerberger:
How well-conditioned can the eigenvector problem be? Math. Comput. 91(335): 1237-1245 (2022) - 2020
- [j24]Carlos Beltrán, Khazhgali Kozhasov:
The Real Polynomial Eigenvalue Problem is Well Conditioned on the Average. Found. Comput. Math. 20(2): 291-309 (2020) - [j23]Carlos Beltrán, Ujué Etayo:
The Diamond ensemble: A constructive set of spherical points with small logarithmic energy. J. Complex. 59: 101471 (2020) - 2019
- [j22]Carlos Beltrán, Nuria Corral, Juan G. Criado del Rey:
Discrete and continuous green energy on compact manifolds. J. Approx. Theory 237: 160-185 (2019) - [j21]Diego Armentano, Carlos Beltrán:
The Polynomial Eigenvalue Problem is Well Conditioned for Random Inputs. SIAM J. Matrix Anal. Appl. 40(1): 175-193 (2019) - [j20]Carlos Beltrán, Paul Breiding, Nick Vannieuwenhoven:
Pencil-Based Algorithms for Tensor Rank Decomposition are not Stable. SIAM J. Matrix Anal. Appl. 40(2): 739-773 (2019) - 2017
- [j19]Jacobo Fanjul, Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán:
Homotopy Continuation for Spatial Interference Alignment in Arbitrary MIMO X Networks. IEEE Trans. Signal Process. 65(7): 1752-1764 (2017) - 2016
- [j18]Diego Armentano, Carlos Beltrán, Peter Bürgisser, Felipe Cucker, Michael Shub:
Condition Length and Complexity for the Solution of Polynomial Systems. Found. Comput. Math. 16(6): 1401-1422 (2016) - [j17]Carlos Beltrán, Jordi Marzo, Joaquim Ortega-Cerdà:
Energy and discrepancy of rotationally invariant determinantal point processes in high dimensional spheres. J. Complex. 37: 76-109 (2016) - 2015
- [j16]Carlos Beltrán:
A Facility Location Formulation for Stable Polynomials and Elliptic Fekete Points. Found. Comput. Math. 15(1): 125-157 (2015) - [j15]Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría:
On the Number of Interference Alignment Solutions for the K-User MIMO Channel With Constant Coefficients. IEEE Trans. Inf. Theory 61(11): 6028-6048 (2015) - 2014
- [j14]Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría:
A Feasibility Test for Linear Interference Alignment in MIMO Channels With Constant Coefficients. IEEE Trans. Inf. Theory 60(3): 1840-1856 (2014) - 2013
- [j13]Carlos Beltrán, Anton Leykin:
Robust Certified Numerical Homotopy Tracking. Found. Comput. Math. 13(2): 253-295 (2013) - 2012
- [j12]Carlos Beltrán, Anton Leykin:
Certified Numerical Homotopy Tracking. Exp. Math. 21(1): 69-83 (2012) - [j11]Carlos Beltrán, Michael Shub:
On the Geometry and Topology of the Solution Variety for Polynomial System Solving. Found. Comput. Math. 12(6): 719-763 (2012) - [j10]Carlos Beltrán, Jean-Pierre Dedieu, Gregorio Malajovich, Mike Shub:
Convexity Properties of the Condition Number II. SIAM J. Matrix Anal. Appl. 33(3): 905-939 (2012) - 2011
- [j9]Carlos Beltrán, Luis Miguel Pardo:
Fast Linear Homotopy to Find Approximate Zeros of Polynomial Systems. Found. Comput. Math. 11(1): 95-129 (2011) - [j8]Carlos Beltrán:
A continuation method to solve polynomial systems and its complexity. Numerische Mathematik 117(1): 89-113 (2011) - 2010
- [j7]Carlos Beltrán, Michael Shub:
A Note on the Finite Variance of the Averaging Function for Polynomial System Solving. Found. Comput. Math. 10(1): 115-125 (2010) - 2009
- [j6]Carlos Beltrán, Michael Shub:
Complexity of Bezout's Theorem VII: Distance Estimates in the Condition Metric. Found. Comput. Math. 9(2): 179-195 (2009) - [j5]Carlos Beltrán, Jean-Pierre Dedieu, Gregorio Malajovich, Mike Shub:
Convexity Properties of the Condition Number. SIAM J. Matrix Anal. Appl. 31(3): 1491-1506 (2009) - 2008
- [j4]Carlos Beltrán, Luis Miguel Pardo:
On Smale's 17th Problem: A Probabilistic Positive Solution. Found. Comput. Math. 8(1): 1-43 (2008) - 2007
- [j3]Carlos Beltrán, Luis Miguel Pardo:
Estimates on the Distribution of the Condition Number of Singular Matrices. Found. Comput. Math. 7(1): 87-134 (2007) - [j2]Carlos Beltrán, Luis Miguel Pardo:
On the probability distribution of singular varieties of given corank. J. Symb. Comput. 42(1-2): 4-29 (2007) - [j1]Carlos Beltrán, Luis Miguel Pardo:
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. 76(259): 1393-1424 (2007)
Conference and Workshop Papers
- 2024
- [c8]Diego Cuevas, Carlos Beltrán, Mikel Gutiérrez, Ignacio Santamaría, Vít Tucek:
Structured Multi-Antenna Grassmannian Constellations for Noncoherent Communications. SAM 2024: 1-5 - 2023
- [c7]Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Noncoherent Multiuser Grassmannian Constellations for the Mimo Multiple Access Channel. ICASSP 2023: 1-5 - 2022
- [c6]Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Coherence-based Subspace Packings for MIMO Noncoherent Communications. EUSIPCO 2022: 1906-1910 - [c5]Diego Cuevas, Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
A Measure Preserving Mapping for Structured Grassmannian Constellations in SIMO Channels. GLOBECOM 2022: 2394-2399 - 2021
- [c4]Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
A Fast Algorithm for Designing Grassmannian Constellations. WSA 2021: 1-6 - 2013
- [c3]Oscar Gonzalez, Cristian Lameiro, Javier Vía, Carlos Beltrán, Ignacio Santamaría:
Computing the degrees of freedom for arbitrary MIMO interference channels. ICASSP 2013: 4399-4403 - [c2]Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán:
Finding the number of feasible solutions for linear interference alignment problems. ISIT 2013: 384-388 - 2012
- [c1]Oscar Gonzalez, Ignacio Santamaría, Carlos Beltrán:
A general test to check the feasibility of linear interference alignment. ISIT 2012: 2481-2485
Informal and Other Publications
- 2022
- [i8]Javier Álvarez-Vizoso, Diego Cuevas, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Constrained Riemannian Noncoherent Constellations for the MIMO Multiple Access Channel. CoRR abs/2209.00901 (2022) - [i7]Javier Álvarez-Vizoso, Carlos Beltrán, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Constellations on the Sphere with Efficient Encoding-Decoding for Noncoherent Communications. CoRR abs/2209.04172 (2022) - [i6]Javier Álvarez-Vizoso, Carlos Beltrán, Diego Cuevas, Ignacio Santamaría, Vít Tucek, Gunnar Peters:
Statistical characterization of the chordal product determinant of Grassmannian codes. CoRR abs/2210.02125 (2022) - 2021
- [i5]Carlos Beltrán, Laurent Bétermin, Peter Grabner, Stefan Steinerberger:
How well-conditioned can the eigenvalue problem be? CoRR abs/2105.07922 (2021) - [i4]Carlos Beltrán, Vanni Noferini, Nick Vannieuwenhoven:
Relative-error stability of numerical algorithms. CoRR abs/2109.10610 (2021) - [i3]Carlos Beltrán, Antonia M. Delgado, Lidia Fernández, Joaquín F. Sánchez Lara:
On Gegenbauer Point Processes on the unit interval. CoRR abs/2110.05918 (2021) - 2013
- [i2]Óscar González, Carlos Beltrán, Ignacio Santamaría:
On the Number of Interference Alignment Solutions for the K-User MIMO Channel with Constant Coefficients. CoRR abs/1301.6196 (2013) - 2012
- [i1]Oscar Gonzalez, Carlos Beltrán, Ignacio Santamaría:
On the Feasibility of Interference Alignment for the K-User MIMO Channel with Constant Coefficients. CoRR abs/1202.0186 (2012)
Coauthor Index
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