7240 



Quadric Surfaces. Determination 



7240 



Projection applied to problems. Staudigl, R. 

 Wien Sb. 58 (1868) (Ab. 2) 811-. 



by application of theory of envelopes. 

 Meyer, C. T. Grunert Arch. 12 (1849) 277-. 



of ellipsoid. Cayley,A. Ph. Mg. 30 (1865) 

 50-. 



Projective figures on quadric, theory. Zeuthen, 

 H. G. Mth. A. 18 (1881) 33-; 26 (1886) 

 247-. 



properties. Bobillier, . Quetelet Cor. 

 Mth. 4 (1828) 152-. 



surfaces. Kober, G. Mth. A. 33 (1889) 

 470; 40 (1892) 153-. 



Projectivity, problem of, and application to 

 quadrics. Storm, R. Mth. A. 1 (1869) 533-. 



3 quadrics, with common curve, theorem. 

 Gardiner, M. N. S. W. E. S. T. 

 41-. 



Quadrics determined by Points, Lines and 

 Tangent Planes, and Methods of Deter- 

 mination. 



Classification and discussion of quadrics. 

 Meray, C. N. A. Mth. 11 (1892) 474-. 



of quadrics. Vdlyi, G. Mth. Termt. Ets. 

 8 (1890) 218- ; Mth. Nt. B. Ung. 8 (1891) 

 76-. 



and non-homogeneous quadratic forms. 



Hensel, K. Crelle J. Mth. 113 (1894) 303-. 

 Criteria for species. Dieu, T. N. A. Mth. 4 



(1865) 408-. 



Determination of species. Cockle, Jas. Mathe- 

 matician 2 (1847) 257- 

 . Hearn, G. W. Mathematician 3 



(1850) 195-. 

 , Plucker's method. Finck, B. Liouv. 



J. Mth. 3 (1838) 495-. 

 12-point quadric, and researches in connection 



therewith. Cassani, P. G. Mt. 17 (1879) 



202-. 



, that of 12 planes. Del Re, A. 

 G. Mt. 22 (1884) 221-. 



50-point quadric. Whitworth, IF. A. [1865] 



Mess. Mth. 3 (1866) 144-. 

 10 points on quadric surface, relation, etc. 



Weddle, T. Camb. and Dubl. Mth. J. 5 



(1850) 226-. 

 Quadric through given points, construction, 



problem. Schroter, H. E. [1862] Crelle J. 



62 (1863) 215-. 



9 points, construction. Hesse, L. 0. 

 Crelle J. 24 (1842) 36-. 



, (Hesse). Cayley, A. Camb. 



and Dubl. Mth. J. 4 (1849) 44-. 



, . Seydewitz, F. Grunert Arch. 



17 (1851) 275-. 



, . Steiner, J. Crelle J. 68 



(1868) 191-. 

 , . Salvatore-Dino, N. Nap. Ed. 



18 (1879) 195-. 



, . Heger, R. Z. Mth. Ps. 25 



(1880) 98-. 

 , . Rohn, K. Leip. Mth. Ps. B. 



46 (1894) 160-. 

 , , linear. Thomae, J. Leip. 



Mth. Ps. B. 44 (1892) 543- ; 49 (1897) 315-. 



Quadric through 9 points, construction, linear, 

 simple. Reye.T. Z. Mth. Ps. 13 (1868) 527-. 



, determination. Townsend, R. 

 Camb. and Dubl. Mth. J. 4 (1849) 241-. 



, . Poudra, . N. A. Mth. 15 



(1856) 263-. 



, of species. Jonquwrex, E. de. 



Liouv. J. Mth. 4 (1859) 81-. 



, 10th point, construction. Ravier, 



L. N. A. Mth. 11 (1892) 289-. 

 , , situation. Jonquierex, E. de. 



Liouv. J. Mth. 3 (1858) 53-. 

 , 2 problems. Poudra, . N. A. 



Mth. 15 (1856) 384-. 



. , and other problems, linear con- 

 structions. Picquet, H. Crelle J. 73 (1871) 



365-; 99 (1886) 225-. 

 Quadrics through given conic sections, 



theorems. Petersen, J. P. C. (xn) Ts. 



Mth. 2 (1878) 107-. 

 curve. Battaglini, G. Nap. Ed. 2 



(1853) 127-. 



Quaternions applied to study of quadrics. Pa- 



pelier, . Par. S. Mth. Bll. 17 (1889) 182-. 

 Eeflecting and refracting surfaces with 2 



conjugate foci. Quetelet, L. A. J. Quetelet 



Cor. Mth. 5 (1829) 1-. 

 Eelations between quadrics. Schonherr, H. 



Schlomilch Z. 5 (1860) 153-. 

 Eotation ellipsoids. Fontana, G. Turin Mm. 



Ac. (1802-03) 263-. 



, generalisation of Chapuy's method. 

 [Schiappa] Monteiro, A. G. Teix. J. Sc. 1 

 (1878) 129-. 



hyperboloids. Mister, J. N. A. Mth. 11 

 (1872) 352-. 



and cone. Bazaine, P. D. St Pet. Mm. 



7 (1815-16) 255-. 



generated by straight line. Hachette, 

 J. N. P. Par. EC. Pol. Cor. 1 (1804-08) 242-. 



, intersection with straight line. Rouche, 



E. N. A. Mth. 1 (1882| 97-. 

 , penetration by parallel axes. Fiedler, W. 



Acta Mth. 5 (1884) 331-. 

 , property. Laguerre, . Bll. Sc. Mth. 



As. 2 (1871) 279-. 

 , tangency. Woodward, C. M. Des Moines 



Anal. 1 (1874) 106-. 

 surfaces. Merle, , d- Urban, . Par. 



EC. Pol. Cor. 2 (1809-13) 203-. 

 . Housel, . Liouv. J. Mth. 5 (1860) 



129-. 



. Malmaten, C. J. Stockh. Ofv. 20 

 (1863) 3-. 



. Dostor, G. N. A. Mth. 11 (1872) 362- ; 



Arch. Mth. Ps. 55 (1873) 302-. 

 _ _. Sclwetiflies, A. Crelle J. Mth. 99 



(1886) 195-. 

 , conditions for. Genty, . N. A. Mth. 



20 (1881) 414-. 



, determinants applied to. Dostor, G. 

 Arch. Mth. Ps. 58 (1876) 17-, 285-. 



in oblique coordinates. Anon, (vi 527) 



Gergonne A. Mth. 7 (1816-17) 174-. 



, plane sections. Francccur, L. B. Eouen 



Tr. Ac. (1809) 18. 



512 



