Geometry. 



183 



8810 



Ebner, F. Leitfaden dcr wichtigstcn 

 fccclmischcn Kurven. Leipzig (B. G. 

 Teiibner), 1906, (VllI + 197). 23 cm. 

 Geb. 4 M. 



8480 



SPECIAL TRANSCENDEN- 

 TAL SURFACES. 



Minkovskij, Hermann. Sur les corps 

 do largeur constante. (Russ.) Matem. 

 Shorn., Moskva, 25, 1905, (505-508). 



Pirondini, G. Sui fasci d'eliooidi 

 aventi Tasse in comune. Meinoria di 

 geometria analitica. Giorn. mat., 



Napoli, 42, 1901, (1-21). 



Sci. K. Akad. Wet., 9, [1900], (250- 

 200) (Engli.sh); Amsterdam, Versl. 

 Wis. Nat. Afd. K. Akad. Wet., 15, 

 [1900], (293-310) (Dutch). 



Fubini, G. Sugli spazi a quattro 

 dimension! cho ainmettono un gruppo 

 continue di movimcnti. Ann. mat., 

 Milano, (Scr. 4), 9, 1903-04, (33-90). 



Kommerell, Karl. Riemanusche 



Flilclien im ehenen Raum von vier 

 Dimonsionen. Math. Ann., Leipzig, 

 60, 1905, (548-596). 



Mahlo, P. Raumclement ciuer (n — r) 

 dimensionalen Fiiiehc. Math.-natw. 

 Bl., Berlin, 2, 1905, (105-108). 



8490 HYPERGEOMETRIC CON- 

 FIGURATIONS AND HIGHER 

 ELEMENTS OF HYPERSPACE. 



Broawer, L[uitsen] E[gbertus] J[an]. 

 Polydimensional Vector-distributions. 

 [First and second derivatives of a 

 given distribution of '/>-diniensional 

 systems of vectors. The total deriva- 

 tive as an extension of the operation 

 V to polydimensional space. How 

 Vector-distributions under certain 

 boundary conditions are determined 

 by their total derivatives of first 

 or of second order. Other general 

 theorems. Potentials of distribu- 



tions.] Amsterdam, Proc. Sci. K. 

 Akad, Wet., 9, [1900], (60-78) (En- 

 glish) ; Amsterdam, Versl. Wis. Nat. 

 Afd. K. Akad. AVet., 15, [1906], (14- 

 20, 169) (Dutch). 



[Extension of the in- 

 vestigations on polydimensional Vec- 

 tor-distributions (Proc. 9, (66-78) ; 

 Versl. 15, (14-26, 169)) to] the force 

 field of the non-Euclidean spaces with 

 negative curvature. Amsterdam, Proc. 

 Sci. K. Akad. Wet., 9, [1906], (116- 

 133) (English) ; Amsterdam, \'ersl. 

 Wis. Nat. Afd. K. Akad. Wet., 15, 

 [1906], (75-94) (Dutch). 



[Extension of the in- 

 vestigations of polydimensional Vec- 

 tor-distributions (Proc. 9, (66-78) ; 

 Versl. 15, (14-^26, 169) to] the force- 

 field of the non-Euclidean spaces with 

 positive curvature. [The spherical 

 spaces of 2, 3 and n dimensions. The 

 elliptic spaces. Postcript concerning 

 hyperbolic spaces.] Amsterdam, Proc. 



(A-7506) 



Differential Geometry ; applications 

 of Differential Equations to 

 Geometry. 



8800 GENERAL. 



Czuber, Emanuel. Vorlesungen 



liber Differential- und Integral-Rech- 

 nung. 1. Bd. 2., sorgfaltig durch- 

 gesehene Aufl. Leipzig (B. G. Teub- 

 ner), 1906, (XIV + 560). 23 cm. 

 6M. 



Knoblauch, .J[ohannes]. Der innerc 

 Zusammenhang der (lachAitheoreti- 

 schen Grundformeln. J. Math., Berlin, 

 130, 1905, (113-143). 



Wilczynski, E. J. Projective diffe- 

 rential geometry of curves and ruled 

 surfaces. (B. G. Teubner's Samm- 

 lung von Lehrbiichern auf dem Ge- 

 biete der mathemat. Wissenschaften. 

 Bd 18). Leipzig (B. G. Teubner), 

 1906, (VIII + 298). 23 cm. Geb. 

 10 M. 



8810 



DETERMINATION OF 



CURVES ON SURFACi:S. 



Lilienthal, R[einhold] von. Zur 

 Theorie dcr jiquidistanten Kurven auf 

 eincr Fliiche. Math. Ann., Leipzig, 62, 

 1906, (539-507). 



Michnik, Hugo. Aufgaben aus der 

 mathcmatischcn Erd- und Himmels- 

 kunde. I. Ueber die Liinge der Tag- 

 bogcn dcr Gestirne. II. Bestimmung 

 der Kurve, die der hochste Punkt der 

 Ekliptik iibcr den Horiaontc cines 



K 2 



