Thomson Solution of the question 2461. (English) JFM 01.0233.02 Educ. Times X. 48-50 (1868). MSC: 51N35 PDF BibTeX XML
Wolstenholme Solution of the question 2503. (English) JFM 01.0233.01 Educ. Times X. 100 (1868). MSC: 14N10 PDF BibTeX XML
Lüroth Generalization of the shortest-line problem. (Verallgemeinerung des Problems der kürzesten Linie.) (German) JFM 01.0232.06 Schlömilch Z. XIII, 156-162 (1868). Reviewer: Bruns, Dr. (Berlin) MSC: 53A20 PDF BibTeX XML Cite \textit{Lüroth}, Schlömilch Z. 13, 156--162 (1868; JFM 01.0232.06)
Allégret Memoir on the fluxion of the geodesics on an arbitrary surface. (Mémoire sur la flexion des lignes géodésiques tracées sur une même surface quelconque.) (French) JFM 01.0232.04 C. R. LXVI, 342 (1868); Mondes (2). XVII, 271 (1868). MSC: 53C22 PDF BibTeX XML Cite \textit{Allégret}, C. R. Acad. Sci., Paris 66, 342 (1868; JFM 01.0232.04) Full Text: Gallica
Enneper, A. On the developable surface that is circumscribed to two given surfaces. (Ueber die developpabele Fläche, welche zwei gegebenen Flächen umschrieben ist.) (German) JFM 01.0232.03 Schlömilch Z. XIII, 322-346 (1868). MSC: 51N20 PDF BibTeX XML Cite \textit{A. Enneper}, Schlömilch Z. 13, 322--346 (1868; JFM 01.0232.03)
Catalan, E. Note on orthogonal surfaces. (Note sur les surfaces orthogonales.) (French) JFM 01.0232.02 Bull. de Belg. (2). XXV. 180-185 (1868). MSC: 53A05 PDF BibTeX XML
Roberts, Samuel On the centres of mean distances of certain points of intersection of curves and surfaces. (English) JFM 01.0232.01 Quart. J. IX, 63-71 (1868). MSC: 51N20 PDF BibTeX XML Cite \textit{S. Roberts}, Quart. J. 9, 63--71 (1868; JFM 01.0232.01)
Zeuthen, H. G. On ordinary singularities of geometric curves with double curvature. (Sur les singularités ordinaires des courbes géometriques a double courbure.) (French) JFM 01.0231.04 C. R. LXVII, 225 (1868). MSC: 53A04 PDF BibTeX XML Cite \textit{H. G. Zeuthen}, C. R. Acad. Sci., Paris 67, 225 (1868; JFM 01.0231.04) Full Text: Gallica
Exner, K. On the maxima and minima of angles at which curves are intersected by radii. (Ueber die Maxima und Minima der Winkel, unter welchen Curven von Radien durchschnitten werden.) (German) JFM 01.0231.03 Wien. Ber. LVII, 75-84 (1868). MSC: 51N20 53A04 PDF BibTeX XML Cite \textit{K. Exner}, Wien. Ber. 57, 75--84 (1868; JFM 01.0231.03)
Darboux, G. On systems of orthogonal surfaces. (Sur les systèmes de surfaces orthogonales.) (French) JFM 01.0231.02 C. R. LXVII, 1101 (1868). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 53A05 PDF BibTeX XML Cite \textit{G. Darboux}, C. R. Acad. Sci., Paris 67, 1101 (1868; JFM 01.0231.02) Full Text: Gallica
Morin, P. Note on a class of triple systems of orthogonal surfaces. (Note sur une classe des systèmes triples de surfaces orthogonales.) (French) JFM 01.0231.01 C. R. LXVII, 785 (1868). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 53A05 PDF BibTeX XML Cite \textit{P. Morin}, C. R. Acad. Sci., Paris 67, 785 (1868; JFM 01.0231.01) Full Text: Gallica
Housel Intersection of a surface by a plane. (Intersection d’une surface par un plan.) (French) JFM 01.0230.04 Nouv. Ann. (2). VII. 277-284 (1868). Reviewer: Teichert, Dr. (Freienwalde a.O.) MSC: 51N20 PDF BibTeX XML Full Text: EuDML
Laisant Note on the tangent plane to a surface at a point. (Note sur le plan tangent en un point d’une surface.) (French) JFM 01.0230.03 Nouv. Ann. (2). VII. 116-120 (1868). Reviewer: Teichert, Dr. (Freienwalde a.O.) MSC: 51N20 PDF BibTeX XML Full Text: EuDML
Cayley On a Singularity of surfaces. (English) JFM 01.0230.02 Quart. J. IX, 332-338 (1868). MSC: 14J17 PDF BibTeX XML Cite \textit{Cayley}, Quart. J. 9, 332--338 (1868; JFM 01.0230.02)
Roberts, Samuel On the centres of Curves and Surfaces. (English) JFM 01.0230.01 Quart. J. IX, 25-31 (1868). MSC: 51N20 PDF BibTeX XML Cite \textit{S. Roberts}, Quart. J. 9, 25--31 (1868; JFM 01.0230.01)
Enneper Remarks on the intersection of surfaces. (Bemerkungen über den Durchschnitt der Flächen.) (German) JFM 01.0229.02 Gött. Nachr. 1868, 181-190 (1868). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 53A05 PDF BibTeX XML Cite \textit{Enneper}, Gött. Nachr. 1868, 181--190 (1868; JFM 01.0229.02) Full Text: EuDML
Enneper On a geometric theorem. (Ueber ein geometrisches Theorem.) (German) JFM 01.0229.01 Gött. Nachr. 1868, 174-181 (1868). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 51N20 PDF BibTeX XML Cite \textit{Enneper}, Gött. Nachr. 1868, 174--181 (1868; JFM 01.0229.01) Full Text: EuDML
Enneper Analytic geometric investigations. (Analytisch geometrische Untersuchungen.) (German) JFM 01.0227.03 Gött. Nachr. 1868, 258-277, 421-443 (1868). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 53A05 53C21 PDF BibTeX XML Cite \textit{Enneper}, Gött. Nachr. 1868, 258--277, 421--443 (1868; JFM 01.0227.03) Full Text: EuDML
Roger, E. Note on the curvature of surfaces. (Note sur la courbure des surfaces.) (French) JFM 01.0227.02 Ann. d. Mines. (6). XIV (1868). MSC: 53A05 PDF BibTeX XML
Gilbert Response to Mr. Aoust concerning the remarks and the objection. (Réponse à Mr. Aoust relative aux remarques et réclamation.) (French) JFM 01.0227.01 Bull. de Belg. (2) XXVI. 480-494 (1868). MSC: 53A05 PDF BibTeX XML
Aoust Remarks and an objection concerning the memoir by Mr. Gilbert. (Remarques et réclamation faites relativement au mémoire de Mr. Gilbert.) (French) JFM 01.0226.04 Bull. de Belg. (2) XXVI. 471-480 (1868). MSC: 53A05 PDF BibTeX XML
Catalan Report on: Gilbert, Memoir on the general theory of lines on an arbitrary surface. (Rapport sur: Gilbert, Mémoire sur la théorie générale des lignes tracées sur une surface quelconque.) (French) JFM 01.0226.03 Bull. de Belg. (2) XXV. 180-184 (1868). MSC: 53A05 PDF BibTeX XML
Gilbert On a memoir concerning the general theory of lines on an arbitrary surface. (Sur un mémoire concernant la théorie générale des lignes tracées sur une surface quelconque.) (French) JFM 01.0226.02 Bull. de Belg. (2) XXV (1868). MSC: 53A05 PDF BibTeX XML
Gilbert Lines on an arbitrary surface. (Lignes tracées sur une surface quelconque.) (French) JFM 01.0226.01 Inst. 1 sect. XXXVI. 245 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML
Gilbert On some properties of trajectories. (Sur quelques propriétés des trajectoires.) (French) JFM 01.0225.02 Bull. de Belg. (2). XXV. 288-294. – Inst. 1 sect. XXXVI. 269 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53C22 PDF BibTeX XML
Gilbert On the curvature of surfaces. (Sur la courbure des surfaces.) (French) JFM 01.0225.01 Inst. 1 sect. XXXVI. 28. 29 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML
Aoust On the theory of surfaces. (Sur la théorie des surfaces.) (French) JFM 01.0224.01 Inst. 1 sect. XXXVI. 380. 381 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML
Aoust On a principle of the theory of surfaces. (Sur un principe de la théorie des surfaces.) (French) JFM 01.0222.02 Inst. 1 sect. XXXVI. 69-71 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML
Aoust On the curvature of surfaces. (De la courbure des surfaces.) (French) JFM 01.0222.01 Inst. 1 sect. XXXVI. 3-5 (1868). MSC: 53A05 53C21 PDF BibTeX XML
Aoust On the curvature of surfaces. (Sur la courbure des surfaces.) (French) JFM 01.0221.02 C. R. LXVII, 759-771 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 53C21 PDF BibTeX XML Cite \textit{Aoust}, C. R. Acad. Sci., Paris 67, 759--771 (1868; JFM 01.0221.02) Full Text: Gallica
Chelini, D. Theory of curvilinear coordinates in spaces and on surfaces. (Teoria delle coordinate curvilinee nello spazio e nelle superficie.) (Italian) JFM 01.0221.01 Mem. di Bologna (2). VIII. 483-533 (1868). MSC: 53A99 PDF BibTeX XML
Chelini, D. On the curvature of surfaces, by a direct and intuitive method. (Della curvatura delle superficie, con metodo diretto ed intuitivo.) (Italian) JFM 01.0220.02 Rend. di Bologna (2). VIII. 27 (1868). Reviewer: Bruns, Dr. (Berlin) MSC: 53A05 PDF BibTeX XML
Beltrami, E. Memoir on the general theory of surfaces of minimal area. (Memoria sulla teoria generale dei superficie d’area minima.) (Italian) JFM 01.0220.01 Rend. d. Bologna 1868. 71 (1868). MSC: 49Q05 53A10 PDF BibTeX XML
Riemann, B. [Hattendorf, K.] On the surface of least area with given boundary. Prepared by K. Hattendorf. (Ueber die Fläche vom kleinsten Inhalt bei gegebener Begrenzung. Bearbeitet von K. Hattendorf.) (German) JFM 01.0218.01 Gött. Abh. 13, 3-52 (1868). Reviewer: Natani, (Berlin) MSC: 49Q05 53A10 01A75 PDF BibTeX XML Full Text: EuDML
Beltrami, E. Fundamental theory of spaces of constant curvature. (Teoria fondamentale degli spazii di curvatura costante.) (Italian) JFM 01.0208.03 Brioschi Ann. (2) II, 232-255 (1868). Reviewer: Maynz, Dr. (Ludwigslust) MSC: 53A35 53C21 PDF BibTeX XML Cite \textit{E. Beltrami}, Annali di Mat. (2) 2, 232--255 (1868; JFM 01.0208.03) Full Text: DOI
Geiser On a geometric question of the maximum and its extension to a space of \(n\) dimensions. (Sopra una quistione geometrica di massimo e suo estenzione ad uno spazio di \(n\) dimensione.) (Italian) JFM 01.0208.02 Rend. d. Ist. Lomb. (2) I, 778 (1868). MSC: 53A07 PDF BibTeX XML Cite \textit{Geiser}, Ist. Lombardo, Rend., II. Ser. 1, 778 (1868; JFM 01.0208.02)
Cayley A memoir on the theory of reciprocal surfaces. (English) JFM 01.0208.01 Proc. of London XVII, 220-221 (1868). MSC: 53A05 PDF BibTeX XML Cite \textit{Cayley}, Lond. R. S. Proc. 17, 220--221 (1868; JFM 01.0208.01) Full Text: DOI
Habich, E. Some remarks on the reciprocal and caustic surfaces and lines. (Quelques remarques sur les lignes et sur les surfaces réciproques et caustiques.) (French) JFM 01.0207.01 Inst. 1 sect. XXXVI. 407. 408 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A04 53A05 PDF BibTeX XML
Morin, P. Theorems concerning the theory of surfaces. (Théorèmes relatifs à la théorie des surfaces.) (French) JFM 01.0205.05 C. R. LXVI, 741-743 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML Cite \textit{P. Morin}, C. R. Acad. Sci., Paris 66, 741--743 (1868; JFM 01.0205.05) Full Text: Gallica
Battaglini, G. Concerning systems of lines of arbitrary degree. (Intorno ai sistemi di rette di grado qualunque.) (Italian) JFM 01.0205.04 Rend. di Napoli VII, 174-175 (1868). MSC: 14N05 51M35 PDF BibTeX XML Cite \textit{G. Battaglini}, Nap. Rend. 7, 174--175 (1868; JFM 01.0205.04)
Battaglini, G. Concerning systems of lines of degree one. (Intorno ai sistemi di rette di secondo grado.) (Italian) JFM 01.0205.03 Battagl. G. VI, 239-259 (1868). MSC: 14N05 51M35 PDF BibTeX XML Cite \textit{G. Battaglini}, Battaglini G. 6, 239--259 (1868; JFM 01.0205.03)
Battaglini, G. Concerning systems of lines of degree one. (Intorno ai sistemi di rette di primo grado.) (Italian) JFM 01.0205.02 Battagl. G. VI, 24-37 (1868). MSC: 14N05 51M35 PDF BibTeX XML Cite \textit{G. Battaglini}, Battaglini G. 6, 24--37 (1868; JFM 01.0205.02)
Plücker, Julius New geometry of [3-dimensional] space based on the consideration of stright lines as space elements. Two parts in one volume. Part 1 1868 with a foreword by A. Clebsch. Part 2 1869, edited by F. Klein. (Neue Geometrie des Raumes gegründet auf die Betrachtung der geraden Linie als Raumelement. Zwei Abtheilungen in einem Bande. I. Abth. 1868 mit einem Vorwort von A. Clebsch. II. Abth. 1869, herausgegeben von F. Klein.) (German) JFM 01.0198.01 Leipzig, Teubner (1868). Reviewer: Teichert, Dr. (Freienwalde a.O.) MSC: 14N05 51N15 PDF BibTeX XML
Beltrami, E. On the general theory of differential parameters. (Sulle teoria generale dei parametri differentiali.) (Italian) JFM 01.0196.03 Mem. di Bologna (2). VIII. 549-590 (1868). Reviewer: Bruns, Dr. (Berlin) MSC: 53A55 53B99 PDF BibTeX XML
Unferdinger, F. Derivation of the complanation formula in polar coordinates, from the figure. (Ableitung der Complanationsformel in Polarcoordinaten aus der Figur.) (German) JFM 01.0196.02 Grunert Arch. XLVIII, 107 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 51N20 PDF BibTeX XML Cite \textit{F. Unferdinger}, Grunert Arch. 48, 107 (1868; JFM 01.0196.02)
Unferdinger, F. On some remarkable formulas of spherical trigonometry. (Ueber einige merkwürdige Formeln der sphärischen Trigonometrie.) (German) JFM 01.0196.01 Wien. Ber. LVIII, 30-34 (1868). Reviewer: Müller, Felix, Dr. (Berlin) MSC: 51M09 PDF BibTeX XML Cite \textit{F. Unferdinger}, Wien. Ber. 58, 30--34 (1868; JFM 01.0196.01)
Peterson, Karl On curves and surfaces. (German edition prepared by the author). (Ueber Curven und Flächen. (Deutsch bearbeitet vom Autor).) (German) JFM 01.0193.01 Moskau, A. Langs Buchhandlung Leipzig, Franz Wagner (1868). Reviewer: Teichert, Dr. (Freienwalde a.O.) MSC: 53A04 53A05 PDF BibTeX XML
Schering, E. Extension of Gauss’ fundamental theorem to triangles on surfaces with continuous curvature. (Erweiterung des Gauss’schen Fundamentalsatzes für Dreiecke in stetig gekrümmten Flächen.) (German) JFM 01.0232.05 Gött. Nachr. 1867, 389-391 (1867). Reviewer: Bruns, Dr. (Berlin) MSC: 53A05 53C21 PDF BibTeX XML Cite \textit{E. Schering}, Gött. Nachr. 1867, 389--391 (1867; JFM 01.0232.05) Full Text: EuDML
Aoust A theory of arbitrary curvilinear coordinates. (Théorie des coordonnées curvilignes quelconques.) (French) JFM 01.0213.02 Brioschi Ann. (2) I, 39-64 (1867). Reviewer: Kretzschmer, Dr. (Frankfurt a.O.) MSC: 53A99 PDF BibTeX XML Cite \textit{Aoust}, Annali di Mat. (2) 1, 39--64 (1867; JFM 01.0213.02)
Brioschi, F. On the theory of curvilinear coordinates. (Sulla teoria delle coordinate curvilinee.) (Italian) JFM 01.0213.01 Brioschi Ann. (2) I, 1-22 (1867). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A99 PDF BibTeX XML Cite \textit{F. Brioschi}, Annali di Mat. (2) 1, 1--22 (1867; JFM 01.0213.01) Full Text: DOI
Codazzi, D. On the curvilinear coordinates of a surface and a space. (Sulle coordinate curvilinee d’una superficie e dello spazio.) (Italian) JFM 01.0212.01 Brioschi Ann. (2) I, 293-316 (1867); II, 101-119, 269-287 (1868). Reviewer: Hoppe, Prof. Dr. (Berlin) MSC: 53A05 PDF BibTeX XML Cite \textit{D. Codazzi}, Annali di Mat. (2) 1, 293--316 (1867; JFM 01.0212.01) Full Text: DOI
Beltrami, E. On the complex variables over an arbitrary surface. (Delle variabili complesse sopra una superficie qualunque.) (Italian) JFM 01.0209.01 Brioschi Ann. (2) I, 329-366 (1867). Reviewer: Radau, Dr. (Berlin) MSC: 53C56 32C16 PDF BibTeX XML Cite \textit{E. Beltrami}, Annali di Mat. (2) 1, 329--366 (1867; JFM 01.0209.01) Full Text: DOI
Plücker, Julius A general theory of rules surfaces, their classification and their construction. (Théorie générale des surfaces réglées, leur classification et leur construction.) (French) JFM 01.0205.01 Brioschi Ann. (2) I, 160-169 (1867). Reviewer: Teichert, Dr. (Freienwalde a.O.) MSC: 14N05 51N15 PDF BibTeX XML Cite \textit{J. Plücker}, Annali di Mat. (2) 1, 160--169 (1867; JFM 01.0205.01) Full Text: DOI