8800 Differential Geometry 



Osculating sphere of curve and analogues in n 

 dimensions. Hoppe, B. Arch. Mth. Ps. 12 

 (1894) 96-. 



Parallel varieties, invariants. Forsyth, A. R. 

 B. A. Bp. (1899) 640-. 



Pseudospherical surfaces. Bianchi, L. A. Mt. 

 24 (1896) 347-. 



varieties of three dimensions. Brill, A. 

 Mth. A. 26 (1886) 300-. 



Pseudo-surfaces, geometrical study of curva- 

 ture. Issaly, . Par. S. Mth. Bll. 17 

 (1889) 84-. 



Space of constant negative curvature, funda- 

 mental equations in geometry. Kagan, H. 

 N. A. Mth. 14 (1895) 20-. 



Spaces of constant curvature. Banal, R. Em. 

 E. Ac. Line. Ed. 7 (1898) (Sem. 1) 7-. 



, connexion with projective spaces. 



Schur, F. Mth. A. 27 (1886) 537-. 



, metrics. Giudice, F. Tor. Ac. 



Sc. At. 35 (1900) 119- or 193-. 



Differential geometry; applications 

 of differential equations to geo- 

 metry. 



8800 General. 



Automorphic curves and surfaces, family. 



Klein, F., & Lie, S. C. E. 70 (1870) 1222-, 



1275-. 

 Curves represented by 



Mth. 10 (1881) 21-. 

 Developable surfaces. Kobb, G. Par. S. Mth. 



Bll. 19 (1891) 1-. 

 Differential equation of conies. Halphen, G. H. 



Par. S. Mth. Bll. 7 (1879) 83-. 

 , 1st order, curves denned by. Picard, E. 



C. E. 120 (1895) 522-. 

 , , , asymptotes. Zeuthen, 



H. G. N. Ts. Mth. 4 (B) (1893) 73-. 



of all parabolas. Mukhopadhyay, A. 

 [1888] Beng. As. S. J. 57 (Ft. 2) (1890) 

 316-. 



for points of curve or surface. Halphen, 



G. H. C. E. 81 (1875) 1053-. 



equations, curves denned by. Poincare', H. 

 C. E. 93 (1881) 951- ; Liouv. J. Mth. 7 (1881) 

 375-; 8 (1882) 251- ; C. E. 98 (1884) 287-; 

 Liouv. J. Mth. 1 (1885) 167- ; 2 (1886) 151-. 



representable by rational curves. Fano, 



G. Em. E. Ac. Line. Ed. 4 (1895) (Sem. 1) 

 51-. 



of ruled surfaces and surfaces of revo- 

 lution. Dolezal, E. Arch. Mth. Ps. 14 

 (1896) 1-. 



trajectories. Mukhopadhyay, A . [1887] 



Beng. As. S. J. 57 (Pt. 2) (1890) 72-. 



geometry, question in. Piccioli, H. N. A. 

 Mth. 18 (1899) 454-. 



,2 theorems in. Lamioni, C. N. A. 



Mth. 19 (1900) 557-. 



Curves on Surfaces 8810 



Differential parameters in theory of surfaces. 



Frobenius, G. Crelle J. Mth. 110 (1892) 1-. 

 Envelopes. Lecornu, L. Caen Ac. Mm. (1890) 



(Pt. 1) 12-. 

 Fundamental magnitudes in theory of surfaces. 



Knoblauch, J. Crelle J. Mth. 103 (1888) 



25-. 

 Geometry in 3-dimensional space. Calinon, A . 



Nancy S. Sc. Bll. (1891) 35-. 



on surfaces of constant curvature. Carda, 

 K. Wien Ak. Sb. 107 (1898) (Ab. 2a) 44-. 



Infinitesimal geometry of surfaces. Arvay, W. 



Prace Mt.-Fiz. 9 (1898) 164-. 

 Isometric curves. Ocagne, M. d'. Brux. S. 



Sc. A. 9 (1885) (Pt. 1) 56-. 

 Linear partial differential equations belonging 



to theory of surfaces. Craig, P. C. E. 123 



(1896) 634-. 

 Partial differential equations derived from Co- 



dazzi's, applications. Craig, T. Crelle J. 



Mth. 120 (1899) 165-. 

 in geometry, and projectivity. Sanio, 



T. Arch. Mth. Ps. 1 (1884) 225-. 

 Points on curve satisfying algebraic differential 



equation, space analogue. Halphen, G. H. 



Liouv. J. Mth. 2 (1876) 257-, 371-. 

 Shortest line on sphere. Hoiiel, J. N. A. 



Mth. 7 (1868) 73-. 

 Surfaces cutting lines at given angle. B&re- 



nius, H. G. [1838-39] St Pet. Mm. Sav. 



Etr. 4 (1845) 255-; Helsingf. Acta 1 (1840) 



381-. 



on which point can move according to 

 certain law. Saint Germain, A. de. Liouv. 

 J. Mth. 2 (1876) 325-. 



of revolution with minimum line in given 

 plane. Molins, H. Toul. Ac. Sc. Mm. 2 

 (1890) 360-. 



Transformations, class. Clairin, J. C. E. 



130 (1900) 309-. 

 Unique ellipsoid. Adan, E. [1878] Brux. 



Mm. Cour. 8, 29 (1880) (No. 4) 10 pp. 



8810 Determination of curves on 

 surfaces. 



Algebraic curves of constant torsion, and alge- 

 braic minimal surfaces inscribed in sphere. 

 Cosserat, E. C. E. 120 (1895) 1252-. 



Arc element of surfaces, geodesic circles of 

 which admit of contact transformation. Lie, 

 S. Arch. Mth. Ntvd. 9 (1884) 40-. 



Asymptotic lines and conjugate systems on 

 surface. Lelieuvre, . C. E. 109 (1889) 

 792-. 



of Kummer surface. Hutchinson, J. I. 



N. Y. Am. Mth. S. Bll. 5 (1899) 465-. 



on ruled surfaces. Snyder, V. N. Y. 



Am. Mth. S. Bll. 5 (1899) 343-. 



surf ace, condition that family of plane 



curves should be projection of. Koenigs, G. 

 Par. S. Phlm. Bll. 4 (1892) 94. 



tore. Maschke, H. [1895] N. Y. Am. 



Mth. S. Bll. 2 (1896) 19-. 



Bisectors of network of lines on any surface. 

 Aoust, . Liouv. J. Mth. 9 (1883) 43-. 



634 



