Bracho, Javier; Pérez, Eric Paulí; Montejano, Luis; Ramírez-Alfonsín, Jorge Luis The 10 antipodal pairings of strongly involutive polyhedra. arXiv:2402.13486 Preprint, arXiv:2402.13486 [math.GT] (2024). BibTeX Cite \textit{J. Bracho} et al., ``The 10 antipodal pairings of strongly involutive polyhedra'', Preprint, arXiv:2402.13486 [math.GT] (2024) Full Text: arXiv OA License
Montejano, Luis; Ramírez Alfonsín, Jorge L.; Rasskin, Iván Self-dual maps. III: Projective links. (English) Zbl 07774961 J. Knot Theory Ramifications 32, No. 10, Article ID 2350066, 22 p. (2023). MSC: 57K10 57M15 PDFBibTeX XMLCite \textit{L. Montejano} et al., J. Knot Theory Ramifications 32, No. 10, Article ID 2350066, 22 p. (2023; Zbl 07774961) Full Text: DOI arXiv
García-Colín, Natalia; Montejano, Luis Pedro; Ramírez Alfonsín, Jorge Luis On the number of vertices of projective polytopes. (English) Zbl 1522.52023 Mathematika 69, No. 2, 535-561 (2023). MSC: 52B05 52B35 52B40 52C35 52C40 52B11 PDFBibTeX XMLCite \textit{N. García-Colín} et al., Mathematika 69, No. 2, 535--561 (2023; Zbl 1522.52023) Full Text: DOI arXiv OA License
Montejano, Luis; Ramírez Alfonsín, Jorge L.; Rasskin, Iván Self-dual maps. II: Links and symmetry. (English) Zbl 1526.57018 SIAM J. Discrete Math. 37, No. 1, 191-220 (2023). MSC: 57M15 57K10 PDFBibTeX XMLCite \textit{L. Montejano} et al., SIAM J. Discrete Math. 37, No. 1, 191--220 (2023; Zbl 1526.57018) Full Text: DOI arXiv
Medina, Carolina; Ramirez, Santino; Ramirez-Alfonsin, Jorge L.; Salazar, Gelasio Positive links with arrangements of pseudocircles as shadows. arXiv:2312.13808 Preprint, arXiv:2312.13808 [math.GT] (2023). MSC: 57K10 57M15 05C10 52C30 BibTeX Cite \textit{C. Medina} et al., ``Positive links with arrangements of pseudocircles as shadows'', Preprint, arXiv:2312.13808 [math.GT] (2023) Full Text: arXiv OA License
Lopez-Campos, Gyivan; Oliveros, Deborah; Alfonsín, Jorge L. Ramírez Borsuk and Vázsonyi problems through Reuleaux polyhedra. arXiv:2308.03889 Preprint, arXiv:2308.03889 [math.CO] (2023). BibTeX Cite \textit{G. Lopez-Campos} et al., ``Borsuk and V\'azsonyi problems through Reuleaux polyhedra'', Preprint, arXiv:2308.03889 [math.CO] (2023) Full Text: arXiv OA License
Alfonsín, Jorge L. Ramírez; Rasskin, Iván Links in orthoplicial Apollonian packings. arXiv:2301.03089 Preprint, arXiv:2301.03089 [math.GT] (2023). MSC: 52C26 57K10 11D72 BibTeX Cite \textit{J. L. R. Alfonsín} and \textit{I. Rasskin}, ``Links in orthoplicial Apollonian packings'', Preprint, arXiv:2301.03089 [math.GT] (2023) Full Text: arXiv OA License
Fernandes, Cristina G.; De Pina, José C.; Ramírez Alfonsín, Jorge Luis; Robins, Sinai Period collapse in Ehrhart quasi-polynomials of \(\{1,3\}\)-graphs. (English) Zbl 1498.05132 Combinatorial Theory 2, No. 3, Paper No. 12, 42 p. (2022). MSC: 05C30 05C76 52B20 PDFBibTeX XMLCite \textit{C. G. Fernandes} et al., Comb. Theory 2, No. 3, Paper No. 12, 42 p. (2022; Zbl 1498.05132) Full Text: DOI arXiv
Chappelon, Jonathan; Ramírez Alfonsín, Jorge Luis The square Frobenius number. (English) Zbl 1523.11054 Semigroup Forum 105, No. 1, 149-171 (2022). MSC: 11D07 20M14 PDFBibTeX XMLCite \textit{J. Chappelon} and \textit{J. L. Ramírez Alfonsín}, Semigroup Forum 105, No. 1, 149--171 (2022; Zbl 1523.11054) Full Text: DOI arXiv
Montejano, Luis; Ramírez Alfonsín, Jorge L.; Rasskin, Ivan Self-dual maps. I: Antipodality. (English) Zbl 1492.05149 SIAM J. Discrete Math. 36, No. 3, 1551-1566 (2022). MSC: 05C99 57K10 57M15 PDFBibTeX XMLCite \textit{L. Montejano} et al., SIAM J. Discrete Math. 36, No. 3, 1551--1566 (2022; Zbl 1492.05149) Full Text: DOI arXiv
Bracho, Javier; Montejano, Luis; Pérez, Eric Pauli; Ramírez Alfonsín, Jorge Luis Strongly involutive self-dual polyhedra. (English) Zbl 1475.05062 Ars Math. Contemp. 20, No. 1, 143-149 (2021). MSC: 05C15 05C10 05C40 05C63 52B12 PDFBibTeX XMLCite \textit{J. Bracho} et al., Ars Math. Contemp. 20, No. 1, 143--149 (2021; Zbl 1475.05062) Full Text: DOI arXiv
Ramírez Alfonsín, Jorge L.; Rasskin, Iván Ball packings for links. (English) Zbl 1469.52015 Eur. J. Comb. 96, Article ID 103351, 20 p. (2021). Reviewer: Anton Shutov (Vladimir) MSC: 52C17 57K10 05B40 51M99 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} and \textit{I. Rasskin}, Eur. J. Comb. 96, Article ID 103351, 20 p. (2021; Zbl 1469.52015) Full Text: DOI arXiv
Fernandes, Cristina G.; de Pina, José C.; Ramírez Alfonsín, Jorge Luis; Robins, Sinai Cubic graphs, their Ehrhart quasi-polynomials, and a scissors congruence phenomenon. (English) Zbl 1458.05113 Discrete Comput. Geom. 65, No. 1, 227-243 (2021). MSC: 05C30 05C76 52B45 14H60 PDFBibTeX XMLCite \textit{C. G. Fernandes} et al., Discrete Comput. Geom. 65, No. 1, 227--243 (2021; Zbl 1458.05113) Full Text: DOI arXiv
Alfonsín, Jorge L. Ramírez; Rasskin, Iván A polytopal generalization of Apollonian packings and Descartes’ theorem. arXiv:2107.09432 Preprint, arXiv:2107.09432 [math.CO] (2021). MSC: 51M20 52C26 05B40 BibTeX Cite \textit{J. L. R. Alfonsín} and \textit{I. Rasskin}, ``A polytopal generalization of Apollonian packings and Descartes' theorem'', Preprint, arXiv:2107.09432 [math.CO] (2021) Full Text: arXiv OA License
Ramírez Alfonsín, Jorge L.; Skałba, M. Primes in numerical semigroups. (English) Zbl 1471.11246 C. R., Math., Acad. Sci. Paris 358, No. 9-10, 1001-1004 (2020). MSC: 11N13 11D07 20M14 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} and \textit{M. Skałba}, C. R., Math., Acad. Sci. Paris 358, No. 9--10, 1001--1004 (2020; Zbl 1471.11246) Full Text: DOI arXiv
Medina, Carolina; Ramírez-Alfonsín, Jorge; Salazar, Gelasio The unavoidable arrangements of pseudocircles. (English) Zbl 1422.52010 Proc. Am. Math. Soc. 147, No. 7, 3165-3175 (2019). Reviewer: László A. Székely (Columbia) MSC: 52C30 52C40 52C10 PDFBibTeX XMLCite \textit{C. Medina} et al., Proc. Am. Math. Soc. 147, No. 7, 3165--3175 (2019; Zbl 1422.52010) Full Text: DOI arXiv
Fernandes, Cristina G.; Hernández-Vélez, César; de Pina, José C.; Ramírez Alfonsín, Jorge Luis Counting Hamiltonian cycles in the matroid basis graph. (English) Zbl 1411.05050 Graphs Comb. 35, No. 2, 539-550 (2019). Reviewer: Brigitte Servatius (Worcester) MSC: 05B35 05C38 05C45 52B40 PDFBibTeX XMLCite \textit{C. G. Fernandes} et al., Graphs Comb. 35, No. 2, 539--550 (2019; Zbl 1411.05050) Full Text: DOI arXiv
Medina, Carolina; Ramírez-Alfonsín, Jorge; Salazar, Gelasio On the number of unknot diagrams. (English) Zbl 1411.57016 SIAM J. Discrete Math. 33, No. 1, 306-326 (2019). Reviewer: Pengyu Liu (Burnaby) MSC: 57M25 05C10 57M15 PDFBibTeX XMLCite \textit{C. Medina} et al., SIAM J. Discrete Math. 33, No. 1, 306--326 (2019; Zbl 1411.57016) Full Text: DOI arXiv
Knauer, Kolja; Martínez-Sandoval, Leonardo; Ramírez Alfonsín, Jorge Luis On lattice path matroid polytopes: integer points and Ehrhart polynomial. (English) Zbl 1494.52014 Discrete Comput. Geom. 60, No. 3, 698-719 (2018). MSC: 52B40 52B20 05B35 PDFBibTeX XMLCite \textit{K. Knauer} et al., Discrete Comput. Geom. 60, No. 3, 698--719 (2018; Zbl 1494.52014) Full Text: DOI arXiv
Knauer, Kolja; Montejano, Luis Pedro; Ramírez Alfonsín, Jorge Luis How many circuits determine an oriented matroid? (English) Zbl 1413.52030 Combinatorica 38, No. 4, 861-885 (2018). Reviewer: Hang Lau (Montréal) MSC: 52C40 05B35 PDFBibTeX XMLCite \textit{K. Knauer} et al., Combinatorica 38, No. 4, 861--885 (2018; Zbl 1413.52030) Full Text: DOI arXiv
Chappelon, J.; Martínez-Sandoval, L.; Montejano, L.; Montejano, L. P.; Ramírez Alfonsín, J. L. Codimension two and three Kneser transversals. (English) Zbl 1392.52003 SIAM J. Discrete Math. 32, No. 2, 1351-1363 (2018). MSC: 52A35 52C40 52B55 68-04 PDFBibTeX XMLCite \textit{J. Chappelon} et al., SIAM J. Discrete Math. 32, No. 2, 1351--1363 (2018; Zbl 1392.52003) Full Text: DOI arXiv
Knauer, Kolja; Martínez-Sandoval, Leonardo; Ramírez Alfonsín, Jorge Luis A Tutte polynomial inequality for lattice path matroids. (English) Zbl 1377.05089 Adv. Appl. Math. 94, 23-38 (2018). MSC: 05C31 05B35 05C30 05C15 52B40 PDFBibTeX XMLCite \textit{K. Knauer} et al., Adv. Appl. Math. 94, 23--38 (2018; Zbl 1377.05089) Full Text: DOI arXiv
Montejano, Luis Pedro; Chappelon, Jonathan; Ramírez Alfonsín, Jorge Luis Ramsey for complete graphs with a dropped edge or a triangle. (English) Zbl 1383.05208 Bassino, Frédérique (ed.) et al., LAGOS 2017. Selected papers of the 9th Latin-American algorithms, graphs, and optimization symposium, Marseille, France, September 11–15, 2017. Amsterdam: Elsevier. Electronic Notes in Discrete Mathematics 62, 21-25 (2017). MSC: 05C55 05D10 05C69 PDFBibTeX XMLCite \textit{L. P. Montejano} et al., Electron. Notes Discrete Math. 62, 21--25 (2017; Zbl 1383.05208) Full Text: DOI HAL
Márquez-Campos, Guadalupe; Ramírez-Alfonsín, Jorge L.; Tornero, José M. Integral points in rational polygons: a numerical semigroup approach. (English) Zbl 1379.11086 Semigroup Forum 94, No. 1, 123-138 (2017). Reviewer: Alessio Sammartano (West Lafayette) MSC: 11P21 20M14 PDFBibTeX XMLCite \textit{G. Márquez-Campos} et al., Semigroup Forum 94, No. 1, 123--138 (2017; Zbl 1379.11086) Full Text: DOI arXiv
Chappelon, J.; Martínez-Sandoval, L.; Montejano, L.; Montejano, L. P.; Ramírez Alfonsín, J. L. Complete Kneser transversals. (English) Zbl 1352.52017 Adv. Appl. Math. 82, 83-101 (2017). MSC: 52B40 52A35 05C15 52C40 52B99 PDFBibTeX XMLCite \textit{J. Chappelon} et al., Adv. Appl. Math. 82, 83--101 (2017; Zbl 1352.52017) Full Text: DOI arXiv
García-Marco, Ignacio; Ramírez Alfonsín, Jorge L.; Rødseth, Øystein J. Numerical semigroups. II: Pseudo-symmetric AA-semigroups. (English) Zbl 1348.05020 J. Algebra 470, 484-498 (2017). MSC: 05A15 13P10 20M14 PDFBibTeX XMLCite \textit{I. García-Marco} et al., J. Algebra 470, 484--498 (2017; Zbl 1348.05020) Full Text: DOI arXiv
Ramírez Alfonsín, Jorge Luis; Tishchenko, Serge Edge separators for quasi-binary trees. (English) Zbl 1338.05044 Discrete Appl. Math. 210, 284-289 (2016). MSC: 05C05 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} and \textit{S. Tishchenko}, Discrete Appl. Math. 210, 284--289 (2016; Zbl 1338.05044) Full Text: DOI arXiv
Chappelon, Jonathan; Montejano, Luis Pedro; Ramírez Alfonsín, Jorge Luis On Ramsey numbers of complete graphs with dropped stars. (English) Zbl 1339.05248 Discrete Appl. Math. 210, 200-206 (2016). MSC: 05C55 PDFBibTeX XMLCite \textit{J. Chappelon} et al., Discrete Appl. Math. 210, 200--206 (2016; Zbl 1339.05248) Full Text: DOI arXiv
Albar, Boris; Gonçalves, Daniel; Ramírez Alfonsín, Jorge L. Detecting minors in matroids through triangles. (English) Zbl 1328.05178 Eur. J. Comb. 53, 50-58 (2016). MSC: 05C83 05B35 PDFBibTeX XMLCite \textit{B. Albar} et al., Eur. J. Comb. 53, 50--58 (2016; Zbl 1328.05178) Full Text: DOI arXiv
Chappelon, Jonathan; Montejano, Luis Pedro; Ramirez-Alfonsin, Jorge; Martínez-Sandoval, Leonardo; Montejano, Luis Kneser transversals. (English) Zbl 1347.05242 Campêlo, Manoel (ed.) et al., LAGOS ’15. Selected papers of the 8th Latin-American algorithms, graphs, and optimization symposium, Praia das Fontes, Beberibe, Brazil, May 11–15, 2015. Amsterdam: Elsevier. Electronic Notes in Discrete Mathematics 50, 385-390, electronic only (2015). MSC: 05D15 05C15 05C65 PDFBibTeX XMLCite \textit{J. Chappelon} et al., Electron. Notes Discrete Math. 50, 385--390 (2015; Zbl 1347.05242) Full Text: DOI
Chappelon, Jonathan; Knauer, Kolja; Montejano, Luis Pedro; Ramírez Alfonsín, Jorge Luis Connected covering numbers. (English) Zbl 1331.05040 J. Comb. Des. 23, No. 12, 534-549 (2015). MSC: 05B05 05B35 05B40 51E05 PDFBibTeX XMLCite \textit{J. Chappelon} et al., J. Comb. Des. 23, No. 12, 534--549 (2015; Zbl 1331.05040) Full Text: DOI arXiv
Bories-Longuet, Francette; Ramirez-Alfonsin, Jorge Graphs and combinatorics. Course with 210 corrected exercises. (Graphes et combinatoire. Cours avec 210 exercices corrigés.) (French) Zbl 1327.05001 Références Sciences. Paris: Ellipses (ISBN 978-2-340-00540-2/pbk). 408 p. (2015). MSC: 05-01 00A05 00A06 00A07 PDFBibTeX XMLCite \textit{F. Bories-Longuet} and \textit{J. Ramirez-Alfonsin}, Graphes et combinatoire. Cours avec 210 exercices corrigés. Paris: Ellipses (2015; Zbl 1327.05001)
García-Marco, Ignacio; Ramírez Alfonsín, Jorge Luis Matroid toric ideals: complete intersection, minors, and minimal systems of generators. (English) Zbl 1326.05026 SIAM J. Discrete Math. 29, No. 4, 2267-2276 (2015). MSC: 05B35 20M25 05E40 14M25 PDFBibTeX XMLCite \textit{I. García-Marco} and \textit{J. L. Ramírez Alfonsín}, SIAM J. Discrete Math. 29, No. 4, 2267--2276 (2015; Zbl 1326.05026) Full Text: DOI arXiv
Chappelon, Jonathan; García-Marco, Ignacio; Montejano, Luis Pedro; Ramírez Alfonsín, Jorge Luis Möbius function of semigroup posets through Hilbert series. (English) Zbl 1322.06001 J. Comb. Theory, Ser. A 136, 238-251 (2015). MSC: 06A07 20M14 13D40 PDFBibTeX XMLCite \textit{J. Chappelon} et al., J. Comb. Theory, Ser. A 136, 238--251 (2015; Zbl 1322.06001) Full Text: DOI arXiv
Montejano, Luis Pedro; Ramírez-Alfonsín, Jorge Luis Roudneff’s conjecture for Lawrence oriented matroids. (English) Zbl 1316.52033 Electron. J. Comb. 22, No. 2, Research Paper P2.3, 14 p. (2015). Reviewer: Hang Lau (Montréal) MSC: 52C40 05C35 52C35 PDFBibTeX XMLCite \textit{L. P. Montejano} and \textit{J. L. Ramírez-Alfonsín}, Electron. J. Comb. 22, No. 2, Research Paper P2.3, 14 p. (2015; Zbl 1316.52033) Full Text: Link
Chatelain, Vanessa; Ramírez Alfonsín, Jorge Luis Matroid base polytope decomposition II: Sequences of hyperplane splits. (English) Zbl 1284.05050 Adv. Appl. Math. 54, 121-136 (2014). MSC: 05B35 52B40 PDFBibTeX XMLCite \textit{V. Chatelain} and \textit{J. L. Ramírez Alfonsín}, Adv. Appl. Math. 54, 121--136 (2014; Zbl 1284.05050) Full Text: DOI arXiv
Ramírez Alfonsín, Jorge Luis The Diophantine problem of Frobenius. (Spanish) Zbl 1318.11043 Gac. R. Soc. Mat. Esp. 16, No. 1, 117-129 (2013). MSC: 11D07 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Gac. R. Soc. Mat. Esp. 16, No. 1, 117--129 (2013; Zbl 1318.11043)
Chappelon, Jonathan; Ramírez Alfonsín, Jorge Luis On the Möbius function of the locally finite poset associated with a numerical semigroup. (English) Zbl 1284.20069 Semigroup Forum 87, No. 2, 313-330 (2013). Reviewer: Pedro A. García Sánchez (Granada) MSC: 20M14 06A07 05A15 PDFBibTeX XMLCite \textit{J. Chappelon} and \textit{J. L. Ramírez Alfonsín}, Semigroup Forum 87, No. 2, 313--330 (2013; Zbl 1284.20069) Full Text: DOI arXiv HAL
Eliahou, Shalom; Ramírez Alfonsín, Jorge On the number of numerical semigroups \(\langle a,b\rangle\) of prime power genus. (English) Zbl 1281.20074 Semigroup Forum 87, No. 1, 171-186 (2013). Reviewer: Pedro A. García Sánchez (Granada) MSC: 20M14 11A05 11A55 20M05 PDFBibTeX XMLCite \textit{S. Eliahou} and \textit{J. Ramírez Alfonsín}, Semigroup Forum 87, No. 1, 171--186 (2013; Zbl 1281.20074) Full Text: DOI arXiv
Chappelon, Jonathan; Montejano, Luis Pedro; Alfonsín, Jorge Luis Ramírez Ramsey for complete graphs with dropped cliques. arXiv:1307.6327 Preprint, arXiv:1307.6327 [math.CO] (2013). BibTeX Cite \textit{J. Chappelon} et al., ``Ramsey for complete graphs with dropped cliques'', Preprint, arXiv:1307.6327 [math.CO] (2013) Full Text: arXiv OA License
Machí, A. (ed.); Nešetřil, J. (ed.); Ossona de Mendez, P. (ed.); Ramírez Alfonsín, J. L. (ed.) Preface. (English) Zbl 1230.05004 Eur. J. Comb. 33, No. 3, 277-278 (2012). MSC: 05-06 05C10 05C62 PDFBibTeX XMLCite \textit{A. Machí} (ed.) et al., Eur. J. Comb. 33, No. 3, 277--278 (2012; Zbl 1230.05004) Full Text: DOI
Chatelain, Vanessa; Ramírez Alfonsín, Jorge Luis The switching game on unions of oriented matroids. (English) Zbl 1305.05035 Eur. J. Comb. 33, No. 2, 215-219 (2012). MSC: 05B35 91A24 05C20 PDFBibTeX XMLCite \textit{V. Chatelain} and \textit{J. L. Ramírez Alfonsín}, Eur. J. Comb. 33, No. 2, 215--219 (2012; Zbl 1305.05035) Full Text: DOI
Eliahou, Shalom; Ramírez Alfonsín, Jorge Two-generator numerical semigroups and Fermat and Mersenne numbers. (English) Zbl 1230.05026 SIAM J. Discrete Math. 25, No. 2, 622-630 (2011). MSC: 05A15 11A05 11A51 20M14 PDFBibTeX XMLCite \textit{S. Eliahou} and \textit{J. Ramírez Alfonsín}, SIAM J. Discrete Math. 25, No. 2, 622--630 (2011; Zbl 1230.05026) Full Text: DOI
Chatelain, Vanessa; Ramírez Alfonsín, Jorge Luis Matroid base polytope decomposition. (English) Zbl 1231.05056 Adv. Appl. Math. 47, No. 1, 158-172 (2011). MSC: 05B35 52B40 PDFBibTeX XMLCite \textit{V. Chatelain} and \textit{J. L. Ramírez Alfonsín}, Adv. Appl. Math. 47, No. 1, 158--172 (2011; Zbl 1231.05056) Full Text: DOI arXiv
Arocha, J. L.; Bracho, J.; Montejano, L.; Ramírez Alfonsín, J. L. Transversals to the convex hulls of all \(k\)-sets of discrete subsets of \(\mathbb R^n\). (English) Zbl 1231.05046 J. Comb. Theory, Ser. A 118, No. 1, 197-207 (2011). MSC: 05B25 52A35 05C65 05C15 PDFBibTeX XMLCite \textit{J. L. Arocha} et al., J. Comb. Theory, Ser. A 118, No. 1, 197--207 (2011; Zbl 1231.05046) Full Text: DOI
Labrousse, D.; Ramírez Alfonsín, J. L. A tiling problem and the Frobenius number. (English) Zbl 1248.11022 Chudnovsky, David (ed.) et al., Additive number theory. Festschrift in honor of the sixtieth birthday of Melvyn B. Nathanson. New York, NY: Springer (ISBN 978-0-387-37029-3/hbk; 978-0-387-68361-4/ebook). 203-220 (2010). Reviewer: Elizaveta Zamorzaeva (Chişinău) MSC: 11D07 52C22 90C10 PDFBibTeX XMLCite \textit{D. Labrousse} and \textit{J. L. Ramírez Alfonsín}, in: Additive number theory. Festschrift in honor of the sixtieth birthday of Melvyn B. Nathanson. New York, NY: Springer. 203--220 (2010; Zbl 1248.11022) Full Text: DOI Backlinks: MO
Cordovil, Raul (ed.); Ramírez Alfonsín, Jorge L. (ed.) Special issue: Selected papers based on the presentations at the conference “Combinatorial geometries and applications: Oriented matroids and matroids”, Marseille, France, November 7–11, 2005. (English) Zbl 1200.05003 Eur. J. Comb. 30, No. 8, 1725-1979 (2009). MSC: 05-06 05B35 00B25 PDFBibTeX XML
Ramírez Alfonsín, Jorge L.; Rødseth, Øystein J. Numerical semigroups: Apéry sets and Hilbert series. (English) Zbl 1200.20047 Semigroup Forum 79, No. 2, 323-340 (2009). Reviewer: Władysław Narkiewicz (Wrocław) MSC: 20M13 11D07 20M14 11D04 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} and \textit{Ø. J. Rødseth}, Semigroup Forum 79, No. 2, 323--340 (2009; Zbl 1200.20047) Full Text: DOI
Ramírez Alfonsín, J. L. Spatial graphs, knots and the cyclic polytope. (English) Zbl 1216.05087 Beitr. Algebra Geom. 49, No. 2, 301-314 (2008). MSC: 05C62 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Beitr. Algebra Geom. 49, No. 2, 301--314 (2008; Zbl 1216.05087) Full Text: EuDML EMIS
Ramírez Alfonsín, J. L. Gaps in semigroups. (English) Zbl 1235.11018 Discrete Math. 308, No. 18, 4177-4184 (2008). Reviewer: Olaf Ninnemann (Berlin) MSC: 11B25 11B75 20M99 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Discrete Math. 308, No. 18, 4177--4184 (2008; Zbl 1235.11018) Full Text: DOI
Ramírez Alfonsín, Jorge On the unknotting problem. (English) Zbl 1115.57002 Grimmett, Geoffrey (ed.) et al., Combinatorics, complexity, and chance. A tribute to Dominic Welsh. Oxford: Oxford University Press (ISBN 0-19-857127-5/hbk). Oxford Lecture Series in Mathematics and its Applications 34, 260-271 (2007). MSC: 57M25 57-02 PDFBibTeX XMLCite \textit{J. Ramírez Alfonsín}, Oxf. Lect. Ser. Math. Appl. 34, 260--271 (2007; Zbl 1115.57002)
Marín, J. M.; Ramírez Alfonsín, J. L.; Revuelta, M. P. On the Frobenius number of Fibonacci numerical semigroups. (English) Zbl 1177.11017 Integers 7, No. 1, Paper A14, 7 p. (2007). Reviewer: Olaf Ninnemann (Berlin) MSC: 11D07 20M14 11B39 11B34 PDFBibTeX XMLCite \textit{J. M. Marín} et al., Integers 7, No. 1, Paper A14, 7 p. (2007; Zbl 1177.11017) Full Text: arXiv EMIS
Bondy, Adrian (ed.); Fonlupt, Jean (ed.); Fouquet, Jean-Luc (ed.); Fournier, Jean-Claude (ed.); Ramírez Alfonsín, Jorge L. (ed.) Graph theory in Paris. Proceedings of a conference, GT04, in memory of Claude Berge, Paris, France, July 2004. (English) Zbl 1098.05001 Trends in Mathematics. Basel: Birkhäuser (ISBN 3-7643-7228-1/hbk). vi, 389 p. (2007). MSC: 05-06 00B30 00B25 PDFBibTeX XMLCite \textit{A. Bondy} (ed.) et al., Graph theory in Paris. Proceedings of a conference, GT04, in memory of Claude Berge, Paris, France, July 2004. Basel: Birkhäuser (2007; Zbl 1098.05001)
Alfonsin, J. Ramirez On tiling rectangles via the Frobenius number. arXiv:math/0605746 Preprint, arXiv:math/0605746 [math.CO] (2006). BibTeX Cite \textit{J. R. Alfonsin}, ``On tiling rectangles via the Frobenius number'', Preprint, arXiv:math/0605746 [math.CO] (2006) Full Text: arXiv
Ramírez Alfonsín, J. L. Knots and links in spatial graphs: a survey. (English) Zbl 1078.57004 Discrete Math. 302, No. 1-3, 225-242 (2005). MSC: 57M15 57M25 05C10 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Discrete Math. 302, No. 1--3, 225--242 (2005; Zbl 1078.57004) Full Text: DOI
Ramírez Alfonsín, Jorge L. The Diophantine Frobenius problem. (English) Zbl 1134.11012 Oxford Lecture Series in Mathematics and its Applications 30. Oxford: Oxford University Press (ISBN 0-19-856820-7/hbk). xvi, 243 p. (2005). Reviewer: Joachim Piehler (Merseburg) MSC: 11D04 11-01 11P81 05A17 11Y50 20M14 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, The Diophantine Frobenius problem. Oxford: Oxford University Press (2005; Zbl 1134.11012)
Forge, D.; Ramírez Alfonsín, J. L.; Yeun, H. Disconnected coverings for oriented matroids via simultaneous mutations. (English) Zbl 1019.52015 Discrete Math. 258, No. 1-3, 353-359 (2002). Reviewer: A.Guedes de Oliveira (Porto) MSC: 52C40 PDFBibTeX XMLCite \textit{D. Forge} et al., Discrete Math. 258, No. 1--3, 353--359 (2002; Zbl 1019.52015) Full Text: DOI
Ramírez Alfonsín, J. L.; Romero, David Embeddability of the combinohedron. (English) Zbl 1027.05029 Discrete Math. 254, No. 1-3, 473-483 (2002). Reviewer: Sang Youl Lee (Pusan) MSC: 05C10 52C07 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} and \textit{D. Romero}, Discrete Math. 254, No. 1--3, 473--483 (2002; Zbl 1027.05029) Full Text: DOI
Ramírez Alfonsín, J. L. On linked spatial representations. (English) Zbl 0999.05077 J. Knot Theory Ramifications 10, No. 1, 143-150 (2001). MSC: 05C62 52C40 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, J. Knot Theory Ramifications 10, No. 1, 143--150 (2001; Zbl 0999.05077) Full Text: DOI
Berge, C.; Ramírez Alfonsín, J. L. Origins and genesis. (English) Zbl 0984.05040 Ramírez Alfonsín, Jorge L. (ed.) et al., Perfect graphs. Chichester: Wiley. Wiley-Interscience Series in Discrete Mathematics and Optimization. 1-12 (2001). Reviewer: K.R.Parthasarathy (Narayanapuram) MSC: 05C17 94A40 PDFBibTeX XMLCite \textit{C. Berge} and \textit{J. L. Ramírez Alfonsín}, in: Perfect graphs. Chichester: Wiley. 1--12 (2001; Zbl 0984.05040)
Ramírez Alfonsín, J. L. Lawrence oriented matroids and a problem of McMullen on projective equivalences of polytopes. (English) Zbl 0984.52019 Eur. J. Comb. 22, No. 5, 723-731 (2001). MSC: 52C40 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Eur. J. Comb. 22, No. 5, 723--731 (2001; Zbl 0984.52019) Full Text: DOI Link
Forge, D.; Ramírez Alfonsín, J. L. On counting the \(k\)-face cells of cyclic arrangements. (English) Zbl 0984.52009 Eur. J. Comb. 22, No. 3, 307-312 (2001). MSC: 52C35 52C40 PDFBibTeX XMLCite \textit{D. Forge} and \textit{J. L. Ramírez Alfonsín}, Eur. J. Comb. 22, No. 3, 307--312 (2001; Zbl 0984.52009) Full Text: DOI
Forge, David; Ramírez Alfonsín, J. L. On reconstructing arrangements from their sets of simplices. (English) Zbl 0968.05064 Discrete Math. 226, No. 1-3, 175-190 (2001). Reviewer: Wai-Kai Chen (Chicago) MSC: 05C75 52C40 52C35 PDFBibTeX XMLCite \textit{D. Forge} and \textit{J. L. Ramírez Alfonsín}, Discrete Math. 226, No. 1--3, 175--190 (2001; Zbl 0968.05064) Full Text: DOI
Ramírez Alfonsín, Jorge L. (ed.); Reed, Bruce A. (ed.) Perfect graphs. (English) Zbl 0972.00015 Wiley-Interscience Series in Discrete Mathematics and Optimization. Chichester: Wiley. xxii, 362 p. (2001). MSC: 00B15 05-06 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín} (ed.) and \textit{B. A. Reed} (ed.), Perfect graphs. Chichester: Wiley (2001; Zbl 0972.00015)
Ramírez-Alfonsín, J. L. Gracefulness of replicated paths and cycles. (English) Zbl 0994.05132 Ars Comb. 53, 257-269 (1999). Reviewer: Roman Čada (Plzeň) MSC: 05C78 05C38 PDFBibTeX XMLCite \textit{J. L. Ramírez-Alfonsín}, Ars Comb. 53, 257--269 (1999; Zbl 0994.05132)
Ramírez Alfonsín, J. L. Cyclic arrangements and Roudneff’s conjecture in the space. (English) Zbl 1003.52012 Inf. Process. Lett. 71, No. 5-6, 179-182 (1999). MSC: 52C35 68U05 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Inf. Process. Lett. 71, No. 5--6, 179--182 (1999; Zbl 1003.52012) Full Text: DOI
Ramírez Alfonsín, J. L. Spatial graphs and oriented matroids: The trefoil. (English) Zbl 0931.05061 Discrete Comput. Geom. 22, No. 1, 149-158 (1999). MSC: 05C62 05B35 05C10 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Discrete Comput. Geom. 22, No. 1, 149--158 (1999; Zbl 0931.05061) Full Text: DOI Backlinks: MO
Ramírez Alfonsín, J. L. A special arrangement with minimal number of triangles. (English) Zbl 1339.68279 Inf. Process. Lett. 67, No. 6, 273-276 (1998). MSC: 68U05 51N15 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Inf. Process. Lett. 67, No. 6, 273--276 (1998; Zbl 1339.68279) Full Text: DOI Link
Forge, David; Ramírez Alfonsín, J. L. Connected coverings and an application to oriented matroids. (English) Zbl 0958.05018 Discrete Math. 187, No. 1-3, 109-121 (1998). MSC: 05B35 52C40 PDFBibTeX XMLCite \textit{D. Forge} and \textit{J. L. Ramírez Alfonsín}, Discrete Math. 187, No. 1--3, 109--121 (1998; Zbl 0958.05018) Full Text: DOI
Forge, D.; Ramírez Alfonsín, J. L. Straight line arrangements in the real projective plane. (English) Zbl 0921.52004 Discrete Comput. Geom. 20, No. 2, 155-161 (1998). Reviewer: V.Welker (Essen) MSC: 52C35 51A45 PDFBibTeX XMLCite \textit{D. Forge} and \textit{J. L. Ramírez Alfonsín}, Discrete Comput. Geom. 20, No. 2, 155--161 (1998; Zbl 0921.52004) Full Text: DOI
Habib, Michael (ed.); McDiarmid, Colin (ed.); Ramírez Alfonsín, Jorge (ed.); Reed, Bruce (ed.) Probabilistic methods for algorithmic discrete mathematics. (English) Zbl 0898.00019 Algorithms and Combinatorics. 16. Berlin: Springer. xvii, 323 p. (1998). MSC: 00B15 68-06 60-06 05-06 PDFBibTeX XMLCite \textit{M. Habib} (ed.) et al., Probabilistic methods for algorithmic discrete mathematics. Berlin: Springer (1998; Zbl 0898.00019)
Ramírez Alfonsin, J. L. On variations of the subset sum problem. (English) Zbl 0895.90159 Discrete Appl. Math. 81, No. 1-3, 1-7 (1998). MSC: 90C27 90C60 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsin}, Discrete Appl. Math. 81, No. 1--3, 1--7 (1998; Zbl 0895.90159) Full Text: DOI Link
Ramírez-Alfonsín, J. L. The spread of \(K_n\). (English) Zbl 0938.05041 Discrete Math. 175, No. 1-3, 221-229 (1997). MSC: 05C45 05C35 PDFBibTeX XMLCite \textit{J. L. Ramírez-Alfonsín}, Discrete Math. 175, No. 1--3, 221--229 (1997; Zbl 0938.05041) Full Text: DOI
Ramírez-Alfonsín, J. L. Complexity of the Frobenius problem. (English) Zbl 0847.68036 Combinatorica 16, No. 1, 143-147 (1996). MSC: 68Q15 11D07 11Y16 90C10 PDFBibTeX XMLCite \textit{J. L. Ramírez-Alfonsín}, Combinatorica 16, No. 1, 143--147 (1996; Zbl 0847.68036) Full Text: DOI
Ramírez Alfonsín, J. L. Cycle decompositions of complete and complete multipartite graphs. (English) Zbl 0842.05073 Australas. J. Comb. 11, 233-238 (1995). Reviewer: C.McDiarmid (Oxford) MSC: 05C70 05C38 PDFBibTeX XMLCite \textit{J. L. Ramírez Alfonsín}, Australas. J. Comb. 11, 233--238 (1995; Zbl 0842.05073)
McDiarmid, Colin J. H.; Ramírez Alfonsín, Jorge Sharing jugs of wine. (English) Zbl 0803.68040 Discrete Math. 125, No. 1-3, 279-287 (1994). MSC: 68W10 68Q25 68R05 05A99 PDFBibTeX XMLCite \textit{C. J. H. McDiarmid} and \textit{J. Ramírez Alfonsín}, Discrete Math. 125, No. 1--3, 279--287 (1994; Zbl 0803.68040) Full Text: DOI