Universität zu Köln

Journal Article

Bachoc, Christine, DeCorte, Evan, de Oliveira Filho, Fernando Mario and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2014). Spectral bounds for the independence ratio and the chromatic number of an operator. Isr. J. Math., 202 (1). S. 227 - 255. JERUSALEM: HEBREW UNIV MAGNES PRESS. ISSN 1565-8511

Castro-silva, Davi, De Oliveira Filho, Fernando Mario, Slot, Lucas ORCID: 0000-0003-3790-492X and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2022). A RECURSIVE LOVASZ THETA NUMBER FOR SIMPLEX-AVOIDING SETS. Proc. Amer. Math. Soc., 150 (8). S. 3307 - 3323. PROVIDENCE: AMER MATHEMATICAL SOC. ISSN 1088-6826

DeCorte, Evan, Filho, Fernando Mario de Oliveira and Vallentin, Frank ORCID: 0000-0002-3205-4607 . Complete positivity and distance-avoiding sets. Math. Program.. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646

DeCorte, Evan, de Laat, David and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2014). Fourier Analysis on Finite Groups and the Lovasz nu-Number of Cayley Graphs. Exp. Math., 23 (2). S. 146 - 153. PHILADELPHIA: TAYLOR & FRANCIS INC. ISSN 1944-950X

Dobre, Cristian, Duer, Mirjam, Frerick, Leonhard and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2016). A copositive formulation for the stability number of infinite graphs. Math. Program., 160 (1-2). S. 65 - 84. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646

Dostert, Maria ORCID: 0000-0002-0393-8286, Guzman, Cristobal ORCID: 0000-0002-1498-2055, de Oliveira Filho, Fernando Mario and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2017). New Upper Bounds for the Density of Translative Packings of Three-Dimensional Convex Bodies with Tetrahedral Symmetry. Discret. Comput. Geom., 58 (2). S. 449 - 482. NEW YORK: SPRINGER. ISSN 1432-0444

Dostert, Maria and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2020). New dense superball packings in three dimensions. Adv. Geom., 20 (4). S. 473 - 483. BERLIN: WALTER DE GRUYTER GMBH. ISSN 1615-7168

Heimendahl, Arne, Marafioti, Aurelio, Thiemeyer, Antonia, Vallentin, Frank ORCID: 0000-0002-3205-4607 and Zimmermann, Marc Christian (2023). Critical Even Unimodular Lattices in the Gaussian Core Model. Int. Math. Res. Notices, 2023 (6). S. 5352 - 5397. OXFORD: OXFORD UNIV PRESS. ISSN 1687-0247

Heimendahl, Arne ORCID: 0000-0002-8366-953X, Montealegre-Mora, Felipe, Vallentin, Frank ORCID: 0000-0002-3205-4607 and Gross, David (2021). Stabilizer extent is not multiplicative. Quantum, 5. WIEN: VEREIN FORDERUNG OPEN ACCESS PUBLIZIERENS QUANTENWISSENSCHAF. ISSN 2521-327X

McCormick, S. Thomas, Peis, Britta, Scheidweiler, Robert and Vallentin, Frank (2021). A POLYNOMIAL TIME ALGORITHM FOR SOLVING THE CLOSEST VECTOR PROBLEM IN ZONOTOPAL LATTICES\ast. SIAM Discret. Math., 35 (4). S. 2345 - 2357. PHILADELPHIA: SIAM PUBLICATIONS. ISSN 1095-7146

Peis, Britta, Schaudt, Oliver, Roeglin, Heiko, Randerath, Bert, Schrader, Rainer and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2020). Preface: 15th Cologne-Twente Workshop on Graphs and Combinatorial Optimization (CTW 2017). Discret Appl. Math., 272. S. 1 - 2. AMSTERDAM: ELSEVIER. ISSN 1872-6771

Sikiric, Mathieu Dutour, Madore, David A., Moustrou, Philippe and Vallentin, Frank (2021). Coloring the Voronoi tessellation of lattices. J. Lond. Math. Soc.-Second Ser., 104 (3). S. 1135 - 1172. HOBOKEN: WILEY. ISSN 1469-7750

Sikiric, Mathieu Dutour, Schuermann, Achill and Vallentin, Frank (2017). Rational factorizations of completely positive matrices. Linear Alg. Appl., 523. S. 46 - 52. NEW YORK: ELSEVIER SCIENCE INC. ISSN 1873-1856

Sikiric, Mathieu Dutour, Schuermann, Achill and Vallentin, Frank ORCID: 0000-0002-3205-4607 . A simplex algorithm for rational cp-factorization. Math. Program.. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646

de Klerk, Etienne and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2016). ON THE TURING MODEL COMPLEXITY OF INTERIOR POINT METHODS FOR SEMIDEFINITE PROGRAMMING. SIAM J. Optim., 26 (3). S. 1944 - 1962. PHILADELPHIA: SIAM PUBLICATIONS. ISSN 1095-7189

de Laat, David ORCID: 0000-0002-5178-1906, Machado, Fabricio Caluza, de Oliveira Filho, Fernando Mario and Vallentin, Frank . k-Point semidefinite programming bounds for equiangular lines. Math. Program.. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646

de Oliveira Filho, Fernando Mario and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2019). A COUNTEREXAMPLE TO A CONJECTURE OF LARMAN AND ROGERS ON SETS AVOIDING DISTANCE 1. Mathematika, 65 (3). S. 785 - 788. LONDON: LONDON MATH SOC. ISSN 2041-7942

de laat, David and Vallentin, Frank ORCID: 0000-0002-3205-4607 (2015). A semidefinite programming hierarchy for packing problems in discrete geometry. Math. Program., 151 (2). S. 529 - 554. HEIDELBERG: SPRINGER HEIDELBERG. ISSN 1436-4646