Matsievskiĭ, S. V. A geometric model of linear fractional transformations. (Russian. English summary) Zbl 1507.53012 Differ. Geom. Mnogoobr. Figur 53, 84-93 (2022). MSC: 53A20 53C56 PDFBibTeX XMLCite \textit{S. V. Matsievskiĭ}, Differ. Geom. Mnogoobr. Figur 53, 84--93 (2022; Zbl 1507.53012) Full Text: DOI
Innamorati, Stefano; Zuanni, Fulvio Classifying sets of class \([1,q+1,2q+1,q^2+q+1]_2\) in \(\mathrm{PG}(r, q)\), \(r\ge 3\). (English) Zbl 1459.51003 Des. Codes Cryptography 89, No. 3, 489-496 (2021). MSC: 51E20 51E21 51E22 PDFBibTeX XMLCite \textit{S. Innamorati} and \textit{F. Zuanni}, Des. Codes Cryptography 89, No. 3, 489--496 (2021; Zbl 1459.51003) Full Text: DOI
Adamou, I.; Fioravanti, M.; Gonzalez-Vega, L.; Mourrain, B. Bisectors and Voronoï diagram of a family of parallel half-lines. (English) Zbl 1331.65033 Dokken, Tor (ed.) et al., SAGA – Advances in ShApes, geometry, and algebra. Results from the Marie Curie initial training network, March 2008 – October 2012. Cham: Springer (ISBN 978-3-319-08634-7/hbk; 978-3-319-08635-4/ebook). Geometry and Computing 10, 241-279 (2014). MSC: 65D17 65D18 PDFBibTeX XMLCite \textit{I. Adamou} et al., Geom. Comput. 10, 241--279 (2014; Zbl 1331.65033) Full Text: DOI
Napolitano, Vito On \({(q^{2} + q + 1)}\)-sets of class \({[1, m, n]_{2}}\) in \(\mathrm{PG}(3, q)\). (English) Zbl 1319.51009 J. Geom. 105, No. 3, 449-455 (2014). Reviewer: Norbert Knarr (Stuttgart) MSC: 51E20 51E26 PDFBibTeX XMLCite \textit{V. Napolitano}, J. Geom. 105, No. 3, 449--455 (2014; Zbl 1319.51009) Full Text: DOI
Salvatore, Marta Prodromes of descriptive geometry in the Traité de stéréotomie by Amédée François Frézier. (English) Zbl 1380.51002 Nexus Netw. J. 13, No. 3, 671-699 (2011). MSC: 51-03 01A50 PDFBibTeX XMLCite \textit{M. Salvatore}, Nexus Netw. J. 13, No. 3, 671--699 (2011; Zbl 1380.51002) Full Text: DOI
Cherowitzo, William E.; Johnson, Norman L. Parallelisms of quadric sets. (English) Zbl 1305.51007 Innov. Incidence Geom. 12, 21-34 (2011). Reviewer: Steven T. Dougherty (Scranton) MSC: 51E20 51A15 PDFBibTeX XMLCite \textit{W. E. Cherowitzo} and \textit{N. L. Johnson}, Innov. Incidence Geom. 12, 21--34 (2011; Zbl 1305.51007)
Durante, Nicola; Napolitano, Vito; Olanda, Domenico On quadrics of \(PG(3,q)\). (English) Zbl 1234.51003 Mazzocca, Francesco (ed.) et al., Trends in incidence and Galois geometries. A tribute to Giuseppe Tallini. Caserta: Dipartimento di Matematica, Seconda Università di Napoli (ISBN 978-88-548-3571-9/hbk). Quaderni di Matematica 19, 67-75 (2009). Reviewer: Steven T. Dougherty (Scranton) MSC: 51E20 PDFBibTeX XMLCite \textit{N. Durante} et al., Quad. Mat. 19, 67--75 (2009; Zbl 1234.51003)
Gfrerrer, Anton; Zsombor-Murray, Paul J. Quadrics of revolution on given points. (English) Zbl 1191.51009 J. Geom. Graph. 13, No. 2, 131-144 (2009). Reviewer: Rolf Riesinger (Wien) MSC: 51N20 51N35 PDFBibTeX XMLCite \textit{A. Gfrerrer} and \textit{P. J. Zsombor-Murray}, J. Geom. Graph. 13, No. 2, 131--144 (2009; Zbl 1191.51009) Full Text: Link
Barwick, Susan G.; Butler, David K. A characterisation of the lines external to a quadric cone of PG\((3,q)\), \(q\) odd. (English) Zbl 1201.51009 Innov. Incidence Geom. 8, 39-48 (2008). Reviewer: Steven T. Dougherty (Scranton) MSC: 51E20 PDFBibTeX XMLCite \textit{S. G. Barwick} and \textit{D. K. Butler}, Innov. Incidence Geom. 8, 39--48 (2008; Zbl 1201.51009)
Ballico, E. Projective varieties with cones as tangential sections. (English) Zbl 1189.14057 N. Z. J. Math. 38, 93-97 (2008). MSC: 14N05 PDFBibTeX XMLCite \textit{E. Ballico}, N. Z. J. Math. 38, 93--97 (2008; Zbl 1189.14057)
Ballico, Edoardo; Fontanari, Claudio A remark on characterizations of projective spaces among singular varieties. (English) Zbl 1136.14301 Result. Math. 51, No. 3-4, 197-200 (2008). MSC: 14E30 14M20 14B05 14F10 PDFBibTeX XMLCite \textit{E. Ballico} and \textit{C. Fontanari}, Result. Math. 51, No. 3--4, 197--200 (2008; Zbl 1136.14301) Full Text: DOI
Ferri, Osvaldo; Ferri, Stefania; Giallonardo, Antonella On the quadric elliptic cones in a Galois projective space. (English) Zbl 1032.51009 J. Inf. Optim. Sci. 21, No. 3, 415-420 (2000). MSC: 51E20 PDFBibTeX XMLCite \textit{O. Ferri} et al., J. Inf. Optim. Sci. 21, No. 3, 415--420 (2000; Zbl 1032.51009) Full Text: DOI
Di Monte, Rossella; Ferri, Osvaldo; Ferri, Stefania Characterization of quadric cones in a Galois projective space. (English) Zbl 0979.51004 Discrete Math. 218, No. 1-3, 25-31 (2000). Reviewer: J.W.P.Hirschfeld (Falmer) MSC: 51E20 PDFBibTeX XMLCite \textit{R. Di Monte} et al., Discrete Math. 218, No. 1--3, 25--31 (2000; Zbl 0979.51004) Full Text: DOI
Riesinger, Rolf Spreads admitting net generating regulizations. (English) Zbl 0859.51001 Geom. Dedicata 62, No. 2, 139-155 (1996). Reviewer: G.L.Ebert (Newark/Delaware) MSC: 51A40 51A30 51E23 51H10 PDFBibTeX XMLCite \textit{R. Riesinger}, Geom. Dedicata 62, No. 2, 139--155 (1996; Zbl 0859.51001) Full Text: DOI
Giuffrida, S.; Maggioni, R.; Ragusa, A. Resolutions of \(0\)-dimensional subschemes of a smooth quadric. (English) Zbl 0826.14029 Orecchia, Ferruccio (ed.) et al., Zero-dimensional schemes. Proceedings of the international conference held in Ravello, Italy, June 8-13, 1992. Berlin: de Gruyter. 191-204 (1994). Reviewer: A.Gimigliano (Firenze) MSC: 14M05 14E15 13D02 14C20 PDFBibTeX XMLCite \textit{S. Giuffrida} et al., in: Zero-dimensional schemes. Proceedings of the international conference held in Ravello, Italy, June 8-13, 1992. Berlin: de Gruyter. 191--204 (1994; Zbl 0826.14029)
Sukhov, Alexandr On CR mappings of real quadric manifolds. (English) Zbl 0821.32015 Mich. Math. J. 41, No. 1, 143-150 (1994). Reviewer: R.R.Simha (Bombay) MSC: 32V05 32V40 PDFBibTeX XMLCite \textit{A. Sukhov}, Mich. Math. J. 41, No. 1, 143--150 (1994; Zbl 0821.32015) Full Text: DOI
Guest, M. A. On the space of holomorphic maps from the Riemann sphere to the quadric cone. (English) Zbl 0802.58012 Q. J. Math., Oxf. II. Ser. 45, No. 177, 57-75 (1994). Reviewer: D.B.Gauld (Auckland) MSC: 58D15 32C18 PDFBibTeX XMLCite \textit{M. A. Guest}, Q. J. Math., Oxf. II. Ser. 45, No. 177, 57--75 (1994; Zbl 0802.58012) Full Text: DOI Link
Ferri, Osvaldo On graphic characterizations of quadrics in the affine space \(AG(3,q)\). (Italian. English summary) Zbl 0843.51003 Riv. Mat. Univ. Parma, V. Ser. 2, 325-330 (1993). Reviewer: D.Betten (Kiel) MSC: 51A30 PDFBibTeX XMLCite \textit{O. Ferri}, Riv. Mat. Univ. Parma, V. Ser. 2, 325--330 (1993; Zbl 0843.51003)
Johnson, N. L. Flocks and partial flocks of quadric sets. (English) Zbl 0745.51002 Finite geometries and combinatorial designs, Proc. AMS Spec. Sess., Lincoln/NE (USA) 1987, Contemp. Math. 111, 111-116 (1990). Reviewer: C.Lefevre-Percsy (Bruxelles) MSC: 51E12 51E15 05B25 51B10 51B15 51E25 51A35 PDFBibTeX XMLCite \textit{N. L. Johnson}, Contemp. Math. None, 111--116 (1990; Zbl 0745.51002)
Johnson, N. L. Translation planes admitting Baer groups and partial flocks of quadric sets. (English) Zbl 0702.51006 Simon Stevin 63, No. 2, 167-188 (1989). Reviewer: K.Prazmowski MSC: 51E15 51A40 PDFBibTeX XMLCite \textit{N. L. Johnson}, Simon Stevin 63, No. 2, 167--188 (1989; Zbl 0702.51006)
Farouki, R. T.; Neff, C. A.; O’Connor, M. A. Automatic parsing of degenerate quadric-surface intersections. (English) Zbl 0746.68093 ACM Trans. Graph. 8, No. 3, 174-203 (1989). MSC: 68U05 68U07 65D17 68W30 68Q25 PDFBibTeX XMLCite \textit{R. T. Farouki} et al., ACM Trans. Graph. 8, No. 3, 174--203 (1989; Zbl 0746.68093) Full Text: DOI
Elkholy, E. M.; Al-Areefi, S. M. The 3-plane and the light cone. (English) Zbl 0777.51010 Commun. Fac. Sci. Univ. Ankara, Ser. A1 37, No. 1-2, 5-8 (1988). Reviewer: R.Koch (München) MSC: 51N20 83A05 PDFBibTeX XMLCite \textit{E. M. Elkholy} and \textit{S. M. Al-Areefi}, Commun. Fac. Sci. Univ. Ankara, Ser. A1, Math. Stat. 37, No. 1--2, 5--8 (1988; Zbl 0777.51010)
Degen, Wendelin Zur Kennzeichnung von Quadriken unter den Kegelschnittflächen. (English) Zbl 0562.53004 J. Geom. 23, 141-151 (1984). Reviewer: W.O.Vogel MSC: 53A20 PDFBibTeX XMLCite \textit{W. Degen}, J. Geom. 23, 141--151 (1984; Zbl 0562.53004) Full Text: DOI
Craighero, P. C. The cubic surface of \(A_ 3\)(C) isomorphic to a plane, to a quadric cylinder, and to a quadric cone. (Italian) Zbl 0527.14028 Matematiche 35, 184-198 (1980). MSC: 14J10 14E05 14M07 14J25 PDFBibTeX XMLCite \textit{P. C. Craighero}, Matematiche 35, 184--198 (1980; Zbl 0527.14028)
Hartl, Johann Die Maximalerzeugenden der projektiven Quadriken. (German) Zbl 0482.51021 Sitzungsber., Abt. II, Oesterr. Akad. Wiss., Math.-Naturwiss. Kl. 189, 351-360 (1980). MSC: 51M99 PDFBibTeX XMLCite \textit{J. Hartl}, Sitzungsber., Abt. II, Österr. Akad. Wiss., Math.-Naturwiss. Kl. 189, 351--360 (1980; Zbl 0482.51021)
Schäffer, Juan Jorge A characterization of quadric cones. (English) Zbl 0426.06014 J. Math. Anal. Appl. 71, 303-312 (1979). MSC: 06F20 15A63 52A05 PDFBibTeX XMLCite \textit{J. J. Schäffer}, J. Math. Anal. Appl. 71, 303--312 (1979; Zbl 0426.06014) Full Text: DOI
Cassani, P. About some property of quadrics. (Sopra alcune proprietà delle quadriche.) (Italian) JFM 08.0503.01 Battaglini G. XIV, 146-151 (1876). Reviewer: August, Prof. (Berlin) MSC: 51N20 PDFBibTeX XMLCite \textit{P. Cassani}, Battaglini G. 14, 146--151 (1876; JFM 08.0503.01)
Geiser About the main axis problem for surfaces of order two. (Zum Hauptaxenproblem der Flächen zweiten Grades.) (German) JFM 08.0501.02 Borchardt J. LXXXII, 47-54 (1876). Reviewer: August, Prof. (Berlin) MSC: 51N20 PDFBibTeX XMLCite \textit{Geiser}, J. Reine Angew. Math. 82, 47--54 (1876; JFM 08.0501.02) Full Text: Crelle