8010 



Collineation ; duality 



8010 



Conies as collinearly related to circles. Schlo- 

 milch, 0. Schlomilch Z. 1 (1856) 1-. 



Correlation of 2 planes. Hirst, T. A. L. 

 Mth. S. P. 5 (1873-74) 40-; 8 (1876-77) 

 262-; Em. E. Ac. Line. T. 1 (1877) 86-. 



, simplest, between 2 regions of space. 

 Eichelot, F. J. [1868] Crelle J. 70 (1869) 

 137-. 



of 2 spaces. Hirst, T. A. [1874] L. Mth. 

 S. P. 6 (1874-75) 7-. 



Correlations, finite groups. Kantor, S. Crelle 

 J. Mth. 116 (1896) 171-. 



, metrical properties. Segre, C. G. Mt. 25 

 (1887) 20-. 



, polar, for which twisted cubic is self-con- 

 jugate. Montesano, D. Em. E. Ac. Line. 

 Mm. 3 (1886) 105-. 



Correlative pencils. Sturm, JR. L. Mth. S. P. 

 7 (1875-76) 175- ; Mth. A. 12 (1877) 254-. 



systems in plane. Le Paige, C. Brux. Ac. 

 Bll. 12 (1886) 422-. 



Correspondence of spaces, special. Biltzberger, 

 F. Z. Mth. Ps. 38 (1893) 1-. 



between straight lines and points. Poulain, 

 A. Mathesis 11 (1891) 88-. 



Doubly harmonic linear elements, determina- 

 tion. Raffy,L. Liouv. J. Mth. 10 (1894) 

 331-. 



Duality. Poncelet, J. V. Gergonne A. Mth. 

 18 (1827-28) 125-. 



. Booth, J. Lpool. Lt. Ph. S. P. 1 (pt. 4) 

 (1844-45) 117-. 



. Gergonne, . Mntp. Ac. Sc. Mm. 1 

 (1847-50) 61-. 



. Zeuthen, H. G. (xn) Ts. Mth. 1 (1871) 

 1-, 129-, 161- ; 2 (1872) 161-. 



. Study, E. Leip. Mth. Ps. B. 48 (1896) 

 199-. 



. Brill, J. Mess. Mth. 26 (1897) 134-. 



and collineation in space. Alle, M. Wien 

 Ak. Sb. 85 (1882) (Ab. 2) 1021-. 



of figures in space. Mobius, A. F. Crelle 

 J. 10 (1833) 317-. 



, history. Milller, J. H. T. Grunert Arch. 

 34 (1860) 1-. 



and homography. Chasles, M. Brux. Mm. 

 Cour. 11 (1837) 575-. 



applied to metric properties of space. 



Ripert, L. N. A. Mth. 18 (1899) 306-. 



in plane geometry. Ripert, L. N. A. Mth. 

 17 (1898) 446-. 



, a principle of, in geometry of space. 

 Rethy, M. , Gott. Nr. (1873) 6-. 



of quadrilateral, spherical and plane. Beez, 

 . Schlomilch Z. 1 (1862) 129-. 



Equipollent figures. Tarry, G. N. A. Mth. 

 11 (1892) 251-. 



Homogeneous protective coordinates for ele- 

 ments of ordinary space. Aschieri, F. Mil. 

 I. Lomb. Ed. 18 (1885) 569-. 



Homographic or correlative systems, relations 

 between infinitesimal elements. Demmdin, 

 A. C. E. 126 (1898) 390-. 



correspondence between elements of 2 linear 

 spaces. Deruyts, F. Brux. Mm. Cour. 4, 

 52 (1890-93) .Vo. 7, 40 pp. 



figures, focal properties. Smith, H. J. S. 

 L. Mth. S. P. 2 (1869) 196-. 



Homographic figures, focal properties. Reye, T. 



Mth. A. 46 (1895) 423-. 

 , theorems. Petersen, L. (xn) Ts. Mth. 



5 (1875) 21-. 



pencils HZ*, singularities of cubic surface 

 generated by. Versluys, W. A. Liege S. 

 Sc. Mm. 20 (1898) No. 6, 61 pp. 



relation of 2 figures. Swellengrebel, J. G.H. 

 Utr. Aant. Prv. Gn. (1853-54) 82-. 



transformation. Painvin, L. N. A. Mth. 

 9 (1870) 97-. 



of any linear space, general. Aschieri, 



F. Mil. I. Lomb. Ed. 18 (1885) 989-. 



metric properties of plane figures. 

 Brocard, G. N. A. Mth. 15 (1896) 426-; 

 16 (1897) 293-. 



, particular case. Antomari, X. N. A. 



Mth. 17 (1898) 489-. 

 of plane figure, continuous. Mollame, V. 



G. Mt. 9 (1871) 269-. 



transformations, plane. Lucas, F. Liouv. 

 J. Mth. 6 (1861) 137-. 



, special kind. Bortniker, (Mile.) L. C. 



E. 104 (1887) 771-. 

 , . Darboux, G. C. E. 104 (1887) 



773-. 

 Homographies, binary, and their harmonic 



groups. Segre, C. Crelle J. Mth. 100 (1887) 



317-. 

 , , products. Aschieri, F. Mil. I. 



Lomb. Ed. 24 (1891) 964-. 

 , , systems of, and geometric representa- 

 tion of imaginaries. Amodeo, F, G. Mt. 



26 (1888) 363-. 



and correlations, with special reference to 

 3-dimensional space. Segre, C. Tor. Ac. 

 Sc. Mm. 37 (1886) 395-. 



of any linear space, construction. Bertini, E. 

 Mil. I. Lomb. Ed. 20 (1887) 650-. 



, resolution into homologies. Bertini, E. 



Tor. Ac. Sc. At. 22 (1886-87) 865-. 

 , ternary, united real elements. Amodeo, F. 



G. Mt. 27 (1889) 40-. 

 Homography. Battaglini, G. Giamb. Vico 1 



(1857) 121- ; 2 (1857) 272-. 

 , general theory. Predella, P. Tor. Ac. Sc. 



At. 27 (1892) 270-. 

 , problem. Weyr, E. Prag Ceske Ak. Fr. 



Jos. Ez. (Tflda 2) 8 (1899) Art. 24, 8 pp.; 



Fschr. Mth. (1899) 478. 



of 2 solid bodies. Sylvester, J. J. C. E. 

 101 (1885) 35-, 139-. 



3rd order. Le Paige, C. M. M. H. H. 



Em. N. Line. At. 36 (1883) 22; Brux. Ac. 



Bll. 5 (1883) 85-. 

 higher order. Appell, P. [1879] Par. S. 



Phlm. Bll. 4 (1880) 18-. 

 Homology and polar reciprocals, curves and 



surfaces corresponding by. Fouret, G. Par. 



S. Mth. Bll. 14 (1886) 18-. 



represented by space of conies in a plane. 

 Certo, L. G. Mt. 20 (1882) 321-. 



Involution, collinear, of pairs of points in 

 plane and space. Mobius, A. F. Leip. B. 

 8 (1856) 143-. 



, generalisation of concept. Schroeter, . 

 D. Nf. Tbl. (*1868) 94. 



554 



