8490 Transcendental Surfaces 



Helicoids. Pirondini, G. N. A. Mth. 6 (1887) 



87- ; A. Mt. 16 (1888-89) 137-. 

 , curvature and indicatrix. Sobotka, J. 



Wien Ak. Sb. 101 (1892) (Ab. 2a) 899-. 



with director plane. Catalan, E. C. Par. 

 S. Phlm. PV. (1843) 113-. 



, sections. Pecharman, P. C. B. 



103 (1886) 987-. 

 , orthogonal and tangential. Pirondini, 



G. Ev. Mt. 2 (1892) 127-. 

 Skew helicoids. Bruno, G. Tor. At. Ac. Sc. 



2 (1866-67) 601- ; 3 (1867-68) 194-. 

 , contact-curves and enveloping torses of. 



Schmid, T. Wien Ak. Sb. 99 (1891) (Ab. 



2a) 952-. 

 , developable. Lamarle, E. Brux. Ac. 



Bll. 11 (1861) 321-. 

 , surfaces connected with. Sobotka, J. 



Mh. Mth. Ps. 4 (1893) 59-. 



surfaces, asymptotic lines. Bioche, C. 

 Toul. Fac. Sc. A. 2 (1888) A, 7 pp. 



Spiral surfaces, characteristic property, and 

 theorem of Bibaucour. Demoulin, A. Par. 

 S. Mth. Bll. 23 (1895) 198-. 



, linear element. Demoulin, A. C. B. 



118 (1894) 337-. 



with parallel lines of curvature, linear 

 element. Eaffy, L. Par. S. Mth. Bll. 20 

 (1892) 22-. 



, theory. Ebner, . Arch. Mth. Ps. 



14 (1896) 241-. 



Surface, equation of which is e r = ' , Padu- 



la's work. Eubini, E. N. A. Mth. 15 

 (1856) 183-. 



generated by logarithmic curve. Bruno, G. 

 [1879] Tor. Ac. Sc. At. 14 (1878) 735-. 



Surfaces associated with Peterson's. Mlodze- 



evskij, B. K. Bee. Mth. (Moscou) 21 (1901) 



450- ; Fschr. Mth. (1900) 613. 

 Transcendental surfaces including cyclide as 



case. Holzmilller, F. G. [1882] Crelle J. 



Mth. 94 (1883) 239-. 



8490 Hypergeometric configura- 

 tions and higher elements of 



Curvature of ' ' curves " in n dimensions. Lands- 

 berg, G. Crelle J. Mth. 114 (1895) 338-. 



higher varieties. Voss, A. E. Mth. A. 



16 (1880) 129-. 



, measure. Beez, E. (vn) Mth. 



A. 7 (1874) 387-; (ix) Z. Mth. Ps. 21 (1876) 

 373-; 24 (1879) 1-, 65-. 



, measure, Gauss's, theory. Alle, M. [1876] 

 Wien Ak. Sb. 74 (1877) (Ab. 2) 9-. 



, -, Biemann's, theory. Voss, A. E. Mth. 

 A. 16 (1880) 571-. 



of varieties. Berzolari, L. Tor. Ac. Sc. 

 At. 33 (1897) 462-, 527- or 692-, 759-. 



Curves of triple curvature and their parallels. 

 Hoppe, E. Arch. Mth. Ps. 65 (1880) 373-. 



4th dimension, uniform positive curvature in. 

 Newcomb, S. Crelle J. Mth. 83 (1877) 293-. 



Hypergeometry 8490 



3-dimensional varieties. Cotton, E. Toul. 

 Fac. Sc. A. 1 (1899) 385-. 



with one zero and two equal curva- 

 tures. Banal, E. A. Mt. 24 (1896) 213-. 



3- and higher dimensional space, curvature. 



Hadamard, . Bordeaux S. Sc. PV. (1897- 



98) 85-. 

 4-dimensional geometry. Lovett, E. 0. [1900] 



N. Y. Am. Mth. S. Bll. 7 (1901) 88-. 

 n-dimensional curves, intrinsic treatment. 



Cesdro, E. Em. B. Ac. Line. Ed. 5 (1889) 



(Sem. 2) 165-. 



Euclidean space, expansion of coordinates 

 in powers of arc. Eichmond, H. W. QJ. 

 Mth. 31 (1900) 315-. 



rotation ellipsoid, geodesies on, application 

 of calculus of variations. Eudio, F. Ziir. 

 Vjschr. 43 (1898) 340-. 



space. Keyser, C. J. N. Y. Am. Mth. S. 

 Bll. 4 (1898) 177, 181-. 



, differential geometry. Lovett, E. O. 

 [1900] N. Y. Am. Mth. S. Bll. 7 (1901) 

 203, 210. 



, linear, metrical properties of skew curves. 



Brunei, G. E. A. [1881] Mth. A. 19 (1882) 

 37-. 



spheres, volumes and surfaces of. Story, 

 W. E. [1880] (xn) J. H. Un. Cir. [1] 

 (1882) 48. 



theory of curves. Hoppe, E. Arch. Mth. 

 Ps. 6 (1888) 168-. 



Elliptic space, helicoidal and ruled surfaces. 

 Gigli, D. Mil. I. Lomb. Ed. 33 (1900) 717-. 



Generalisation to p-dimensional space of trans- 

 formation of line into surface integrals. 

 Franchis, M. de. Palermo Cir. Mt. Ed. 12 

 (1898) 163-. 



Hyperspace, Codazzi's formulae in. Cesdro, E. 

 Nap. Ed. 33 (1894) 87-. 



, complex variables in. Volterra, V. Em. 

 B. Ac. Line. Ed. 5 (1889) (Sem. 1) 291- ; 

 6 (1890) (Sem. 2) 241-. 



, extension of Euler's and Meunier's theo- 

 rems to. Berzolari, L. Em. E. Ac. Line. 

 Ed. 6 (1897) (Sem. 2) 283-; 7 (1898) (Sem. 1) 

 4-. 



, functions. Fabri , C. Yen. I. At. (1892-93) 

 283-. 



, , and their differential parameters. Vol- 

 terra, V. Em. E. Ac. Line. Ed. 5 (1889) 

 (Sem. 1) 630-. 



, theory. Eicci, G. Em. B. Ac. Line. Ed. 

 4 (1895) (Sem. 2) 232-. 



Hyperspheric lines of constant curvature. 

 Piccioli, H. N. A. Mth. 19 (1900) 385-. 



Knotted curve, equation, and solution in 4th 

 dimension. Hoppe, E. Arch. Mth. Ps. 64 

 (1879) 224. 



, Hoppe' s. Durege, H. [1880] Wien Ak. 



Sb. 82 (1881) (Ab. 2) 135-. 



, solution in 4th dimension. Hoppe, E. 



Arch. Mth. Ps. 65 (1880) 423-. 



Lobacevskij's planimetry, concrete interpreta- 

 tion. Lachtin, L. K. Eec. Mth. (Moscou) 

 17 (1895) 767-; Fschr. Mth. (1895) 534-. 



Non-Euclidean space, geodesic geometry of 

 surfaces. Whitehead, A. N. L. Mth. S. P. 

 29 (1898) 275-. 



633 



