A. Emch

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Person:567406

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zbMath Open emch.arnold-fWikidataQ18070700 ScholiaQ18070700MaRDI QIDQ567406

List of research outcomes

PublicationDate of PublicationType
https://portal.mardi4nfdi.de/entity/Q56158561970-01-01Paper
https://portal.mardi4nfdi.de/entity/Q58121471952-01-01Paper
https://portal.mardi4nfdi.de/entity/Q57957291950-01-01Paper
Neue durch stereographische Projektion erhaltene Eigenschaften der Flächen zweiter Ordnung mit Nabelpunkten1948-01-01Paper
Endlichgleiche Zerschneidung von Parallelotopen in gewöhnlichen und höheren Euklidischen Räumen1946-01-01Paper
Zwei spezielle Cremona-Gruppen und die darin auftretenden invarianten Konfigurationen, Kurven und Flächen1941-01-01Paper
https://portal.mardi4nfdi.de/entity/Q57804481941-01-01Paper
New polylateral configurations on plane cubics and certain sextics in the projective plane.1941-01-01Paper
Zwei spezielle Cremona-Gruppen und die darin auftretenden invarianten Konfigurationen, Kurven und Flächen.1941-01-01Paper
Zwei Abbildungsprobleme1940-01-01Paper
Properties of plane elliptic cubics and pencils of cubics derived by the quadratic transformation1940-01-01Paper
Properties of plane elliptic cubics and pencils of cubics derived by the quadratic transformation.1940-01-01Paper
A certain geometrical calculus by van der Waerden in connection with the elliptic cubic.1940-01-01Paper
Zwei Abbildungs-Probleme.1940-01-01Paper
Properties of the Cubic Surface Derived from a New Normal Form1939-01-01Paper
New point configurations and algebraic curves connected with them1939-01-01Paper
Properties of the cubic surface derived from a new normal form.1939-01-01Paper
New point configurations and algebraic curves connected with them.1939-01-01Paper
Über eine besondere Klasse von involutorischen Cremona-Transformationen und die darin invarianten algebraischen Kurven1938-01-01Paper
Carl Friedrich Geiser.1938-01-01Paper
Über eine besondere Klasse von involutorischen Cremona-Transformationen und die darin invarianten algebraischen Kurven.1938-01-01Paper
Cremona involutions and covariants connected with the Weddle surface1937-01-01Paper
Note on Pohlke's Theorem1937-01-01Paper
On certain configurations of points in space and linear systems of surfaces with these as base points1937-01-01Paper
On the Construction of Symmetric Ruled Surfaces1937-01-01Paper
Deducibility with respect to necessary and impossible propositions1937-01-01Paper
On certain configurations of points in space and linear systems of surfaces with these as base points.1937-01-01Paper
Rejected papers of three famous mathematicians.1937-01-01Paper
Note on Pohlke's theorem.1937-01-01Paper
Cremona involutions and covariants connected with the Weddle surface. Correction.1937-01-01Paper
Deducibility with respect to necessary and impossible propositions.1937-01-01Paper
On the construction of symmetric ruled surfaces.1937-01-01Paper
The plane quartic of genus two.1937-01-01Paper
Über eine bemerkenswerte Klasse von Hyperflächen1936-01-01Paper
Implication and deducibility1936-01-01Paper
Addendum to the article Implication and deducibility1936-01-01Paper
On certain configurations of points in space and linear systems of surfaces with these as base points.1936-01-01Paper
Consistency and independence in postulational technique.1936-01-01Paper
Implication and deducibility.1936-01-01Paper
Addendum to the article Implication and deducibility.1936-01-01Paper
The calculus of logical implication.1936-01-01Paper
On Cremona involutions connected with the Weddle surface and some covariant surfaces.1936-01-01Paper
Über eine bemerkenswerte Klasse von Hyperflächen.1936-01-01Paper
On symmetric ruled surfaces.1936-01-01Paper
Some geometrie applications of the symmetric collineation group on five variables.1935-01-01Paper
Two notable classes of hypersurfaces.1935-01-01Paper
https://portal.mardi4nfdi.de/entity/Q47592031935-01-01Paper
https://portal.mardi4nfdi.de/entity/Q47601841935-01-01Paper
https://portal.mardi4nfdi.de/entity/Q47606201935-01-01Paper
https://portal.mardi4nfdi.de/entity/Q57588751935-01-01Paper
The Logica demonstrativa of Girolamo Saccheri. I.1935-01-01Paper
The Logica demonstrativa of Giromalo Saccheri. II.1935-01-01Paper
The Logica demonstrativa of Girolamo Saccheri. III.1935-01-01Paper
Gauß and the French Academy of Science.1935-01-01Paper
Über eine bemerkenswerte Klasse von Raumkurven sechster Ordnung vom Geschlecht 4.1934-01-01Paper
Über symmetrische Monoide und Kegel.1934-01-01Paper
Über eine bemerkenswerte Klasse von Raumkurven sechster Ordnung vom Geschlecht 41934-01-01Paper
On an involutorial Cremona transformation in \(S_r\).1933-01-01Paper
Über eine besondere Raumkurve sechster Ordnung.1933-01-01Paper
Symmetric monoids and cones of higher order in \(S_3\).1933-01-01Paper
Some remarkable sextic space curves.1933-01-01Paper
Über eine besondere Raumkurve sechster Ordnung1933-01-01Paper
https://portal.mardi4nfdi.de/entity/Q47549511933-01-01Paper
On an involutorial Cremona transformation in \(S_r\).1933-01-01Paper
Über symmetrische Monoide und Kegel1933-01-01Paper
The Symmetric (n, n)-Correspondence and Some Geometric Applications1932-01-01Paper
Geometrische Anwendungen der binären \((n, n)\) - Verwandtschaft.1932-01-01Paper
The symmetric \((n,n)\)-correspondence and some geometric applications1932-01-01Paper
Geometrische Anwendungen der binären (n, n)-Verwandtschaft1932-01-01Paper
On a New Normal Form of the General Cubic Surface1931-01-01Paper
Finite groups and their geometric representation.1931-01-01Paper
Über die Abbildung projektiver Räume.1931-01-01Paper
The symmetric \((n,n)\)-correspondence and some geometric applications.1931-01-01Paper
On a new normal form of the general cubic surface.1931-01-01Paper
Über die Abbildung projektiver Räume1931-01-01Paper
Finite groups and their geometric representation.1930-01-01Paper
On algebraic surfaces which are invariant in a certain class of finite collineation groups.1930-01-01Paper
On algebraic surfaces which are invariant in a certain class of finite collineation groups.1930-01-01Paper
Über eine besondere Klasse von algebraischen Flächen.1930-01-01Paper
On the geometry of symmetric functions.1929-01-01Paper
On the geometry of symmetric functions.1929-01-01Paper
Einige Eigenschaften der Grundpunkte eines Büschels von Kurven dritter Ordnung.1929-01-01Paper
On the mapping of the quadruples of the involutorial \(G_4\) in a plane upon a Steiner surface.1929-01-01Paper
Unpublished Steiner manuscripts.1929-01-01Paper
Triple and multiple systems, their geometric configurations and groups.1929-01-01Paper
Multiple systems, their geometric representation and groups.1928-01-01Paper
On the construction of hyperelliptic curves.1928-01-01Paper
Selected topics in algebraic geometry.1928-01-01Paper
The value of mathematical models and figures.1927-01-01Paper
On the mapping of the sextuples of the symmetric substitution group \(G_6\) in a plane upon a quartic.1927-01-01Paper
On surfaces and curves which are invariant under involutory Cremona transformations.1926-01-01Paper
On the discriminant of ternary forms and a certain class of surfaces.1926-01-01Paper
On the discriminant of ternary forms and a certain class of surfaces.1926-01-01Paper
On triple systems and their connection with certain problems of algebraic geometry and analysis situs.1926-01-01Paper
On surfaces and curves which are invariant under involutory Cremona transformations.1925-01-01Paper
Determination of plane algebraic curves which are invariant under involutory Cremona transformations.1925-01-01Paper
On the Weddle surface and analogous loci.1925-01-01Paper
Some problems of closure connected with the Geiser transformation.1924-01-01Paper
On the Weddle surface and analogous loci.1924-01-01Paper
Some problems of closure connected with the Geiser transformation.1924-01-01Paper
On plane algebraic curves which remain invariant under a quadratic Cremona transformation, their classification, and relation with the Cayley cubic surface.1924-01-01Paper
Some geometric applications of symmetric substitution groups.1923-01-01Paper
Some geometric applications of symmetric substitution groups.1923-01-01Paper
Plane algebraic curves invariant under a given quadratic Cremona transformation.1922-01-01Paper
A model of the Peano surface.1922-01-01Paper
On plane algebraic curves which are invariant under a quadratic Cremona transformation.1922-01-01Paper
Incidences of straight lines and plane algebraic curves and surfaces generated by them.1922-01-01Paper
Kinematics in a complex plane and some geometric applications.1922-01-01Paper
On the polar equation of algebraic curves.1921-01-01Paper
On the projective description of cyclides.1921-01-01Paper
On the construction and modelling of algebraic surfaces.1921-01-01Paper
Sur les incidences de droites et de courbes algébriques planes dans l'espace et les surfaces qui en résultent.1920-01-01Paper
On a certain class of rational ruled surfaces.1920-01-01Paper
On plane algebraic curves with a given system of foci.1919-01-01Paper
Veblen and Youngs projective geometry.1919-01-01Paper
On an elementary problem of closure on an equilateral hyperbola.1919-01-01Paper
On a certain generation of rational circular and isotropic curves.1919-01-01Paper
On closed curves described by a spherical pendulum.1919-01-01Paper
On plane algebraic curves with a given system of foci.1918-01-01Paper
Proof a Pohlke's theorem and its generalizations by affinity.1918-01-01Paper
Sur les courbes planes qui ont pour foyers réels, dans le plan complexe les racines \(n^{\text{ièmes}}\) l'unité.1917-01-01Paper
A problem in perspective.1917-01-01Paper
On the invariant net of cubics in the \textit{steiner}ian transformation.1917-01-01Paper
A useful principle in curve tracing.1917-01-01Paper
A theorem on the curves described by a spherical pendulum.1917-01-01Paper
On the fundamental theorem of projective geometry.1916-01-01Paper
On some proprieties of the medians of closed continuous curves formed by analytic arcs.1916-01-01Paper
Remarks on the foregoing circle theorem.1916-01-01Paper
An application of a group of order 16 to a configuration on an elliptic cubic.1916-01-01Paper
A certain class of functions connected with Fuchsian groups.1915-01-01Paper
On some general theorems concerning ordinary closed curves.1915-01-01Paper
On the medians of a closed convex polygon.1915-01-01Paper
On some general theorems concerning ordinary closed curves.1915-01-01Paper
A certain class of functions connected with \textit{Fuchs} ian groups.1915-01-01Paper
On some geometric properties of circular transformations.1914-01-01Paper
The discovery of inversion.1914-01-01Paper
Two convergency proofs.1914-01-01Paper
Geometric properties of the \textit{Jacobians} of a certain svstem of functions.1914-01-01Paper
On some properties of closed continuous curves.1914-01-01Paper
Geometric properties of the \textit{Jacobians} of a certain system of functions.1914-01-01Paper
Some properties of closed convex curves in a plane.1913-01-01Paper
On closed continuous curves.1913-01-01Paper
On some properties of closed continuous curves.1913-01-01Paper
On closed continuous curves.1913-01-01Paper
The geometry of conformal rational transformations in a plane.1912-01-01Paper
On the rectilinear congruence realizing a circular transformation of one plane into another.1912-01-01Paper
Involutoric circular transformations as a particular case of the Steinerian transformation and their invariant nets of cubics.1912-01-01Paper
On conformal rational transformations in a plane.1912-01-01Paper
On the congruence of rays realizing circular transformations between two planes.1911-01-01Paper
The differential equation of curves of normal stresses in a plane field.1911-01-01Paper
Un appareil démontrant la transformation de l'énergie potentielle en énergie cinétique.1911-01-01Paper
The differential equation of normal stresses in a plane.1911-01-01Paper
Sur quelques exemples mathématiques dans les sciences naturelles.1910-01-01Paper
Der Rechenkünstler \textit{Winkler} und seine Methoden.1909-01-01Paper
Théorie des miroirs plans parallèles à une même droite.1908-01-01Paper
Kinematische Gelenksysteme und die durch sie erzeugten geometrischen Transformationen. Mit Anwendungen. Pr. Kantonsschule.1907-01-01Paper
Kinematische Erzeugung von Raumkurven vierter Ordnung durch Gelenkmechanismen.1907-01-01Paper
The configurations of the points of inflexion of a plane cubic and their harmonic polars.1907-01-01Paper
Réalisation de courbes algébriques du \(4^{\text{me}}\) ordre par un système articulé.1907-01-01Paper
Mathematik in Natur und Kunst.1906-01-01Paper
A few examples in the theory of functions.1905-01-01Paper
An introduction to projective geometry and its applications: an analytic and synthetic treatment.1905-01-01Paper
Newton's five types of plane cubics obtained by the Steinerian transformation.1904-01-01Paper
Theory of compound curves in field engineering.1904-01-01Paper
Notes on the \(p\)-discriminant of ordiuary linear differential equations.1904-01-01Paper
Some special algebraic transformations realized by linkages.1903-01-01Paper
Note in the \(p\)-discriminant of ordinary linear differential equations.1903-01-01Paper
Applications of elliptic functions to problems of closure.1902-01-01Paper
Applications of elliptic functions to problems of closure.1902-01-01Paper
Closed loxodromics of the torus.1902-01-01Paper
On the congruences of twisted curves.1902-01-01Paper
Cyclographic transformation of ordinary space.1902-01-01Paper
Some applications of the theory of assemblages.1902-01-01Paper
Algebraic transformations of a complex variable realized by linkages.1902-01-01Paper
On the congruences of twisted curves.1901-01-01Paper
Cyclographic transformation of ordinary space.1901-01-01Paper
An application of elliptic functions to \textit{Peaucellier}'s linkwork. (Inversor).1901-01-01Paper
Illustration of the elliptic integral of the first kind by a certain linkwork.1900-01-01Paper
Illustration of the elliptic integral of the first kind by a certain linkwork.1900-01-01Paper
On the projectivity, of stresses in a plane.1900-01-01Paper
Note on the loxodromic lines of the torus.1899-01-01Paper
On orthogonal systems and some technical applications.1898-01-01Paper
Reciprocal transformations of projective coordinates and the theorems of Ceva and Menelaos.1898-01-01Paper
On circular transformations.1898-01-01Paper
On the congruences of rays \((3,1)\) and \((1,3)\).1897-01-01Paper
Projective groups of perspective collineations in the plane, treated synthetically.1896-01-01Paper
Projective groups of perspective collineations in the plane, treated synthetically.1896-01-01Paper
Involutoric collineation in the plane and in the space.1896-01-01Paper
On the fundamental property of the linear group of transformation in the plane.1896-01-01Paper
Involutoric transformation of the straight line.1895-01-01Paper
A special class of connected surfaces.1894-01-01Paper

Research outcomes over time


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