Field of study: Mathematics

All available publications in the Digital Library

Available articles (85)

• A bilinear congruence of quartic twisted curves of the first species
  KNAW, Proceedings, 14 I, 1911, Amsterdam, 1911, pp. 255-259
  
  
• A bilinear congruence of rational twisted quartics
  KNAW, Proceedings, 16 II, 1913-1914, Amsterdam, 1914, pp. 1186-1191
  
  
• A bilinear congruence of rational twisted quintics
  KNAW, Proceedings, 17 III, 1914-1915, Amsterdam, 1915, pp. 1250-1256
  
  
• A bilinear congruence of twisted quartics of the first species
  KNAW, Proceedings, 16 II, 1913-1914, Amsterdam, 1914, pp. 733-739
  
  
• A Congruence of Conics
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 641-644
  
  
• A congruence of order two and class two formed by conics
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 311-314
  
  
• A Congruence of Orthogonal Hyperbolas
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 943-947
  
  
• A cubic involution of the second class
  KNAW, Proceedings, 17 I, 1914, Amsterdam, 1914, pp. 105-110
  
  
• A family of differential equations of the first order
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 756-763
  
  
• A formula for the volume of the prismoid
  KNAW, Proceedings, 4, 1901-1902, Amsterdam, 1902, pp. 337-338
  
  
• A group of algebraic complexes of rays
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 627-631
  
  
• A group of complexes of rays whose singular surface consists of a scroll and a number of planes
  KNAW, Proceedings, 8 II, 1905-1906, Amsterdam, 1906, pp. 662-665
  
  
• A particular bilinear congruence of rational twisted quintics
  KNAW, Proceedings, 18 I, 1915, Amsterdam, 1915, pp. 39-43
  
  
• A quadruple involution in the plane and a triple involution connected with it
  KNAW, Proceedings, 13 I, 1910, Amsterdam, 1910, pp. 82-91
  
  
• A quartic surface with twelve straight lines
  KNAW, Proceedings, 14 I, 1911, Amsterdam, 1911, pp. 259-263
  
  
• A simply infinite system of hyperelliptical twisted curves of order five
  KNAW, Proceedings, 19 I, 1917, Amsterdam, 1917, pp. 271-274
  
  
• A simply infinite system of twisted cubics
  KNAW, Proceedings, 18 II, 1916, Amsterdam, 1916, pp. 1464-1467
  
  
• A triple involution of the third class
  KNAW, Proceedings, 17 I, 1914, Amsterdam, 1914, pp. 134-139
  
  
• An involution of associated points
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 1263-1270
  
  
• An Involution of Rays defined by a Congruence of Reye and an Involutory Homology
  KNAW, Proceedings, 23 I, 1921, Amsterdam, 1921, pp. 466-474
  
  
• An involutory transformation of the rays of space which is defined by two involutory homologies
  KNAW, Proceedings, 23 I, 1921, Amsterdam, 1921, pp. 462-465
  
  
• Bilinear congruences and complexes of plane algebraic curves
  KNAW, Proceedings, 16 II, 1913-1914, Amsterdam, 1914, pp. 726-733
  
  
• Bilinear congruences of elliptic and hyperelliptic twisted quintics
  KNAW, Proceedings, 18 I, 1915, Amsterdam, 1915, pp. 43-47
  
  
• Bilinear congruences of twisted curves, which are determined by nets of cubic surfaces
  KNAW, Proceedings, 18 I, 1915, Amsterdam, 1915, pp. 431-441
  
  
• Characteristic numbers for a trily infinite system of algebraic plane curves
  KNAW, Proceedings, 17 III, 1914-1915, Amsterdam, 1915, pp. 1055-1067
  
  
• Characteristic numbers for nets of algebraic curves
  KNAW, Proceedings, 17 III, 1914-1915, Amsterdam, 1915, pp. 935-944
  
  
• Characteristic numbers for nets of algebraic surfaces
  KNAW, Proceedings, 18 II, 1916, Amsterdam, 1916, pp. 1270-1277
  
  
• Congruences of twisted curves in connection with a cubic transformation
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 84-88
  
  
• Cubic involutions in the plane
  KNAW, Proceedings, 16 II, 1913-1914, Amsterdam, 1914, pp. 974-987
  
  
• Cubic involutions of the first class
  KNAW, Proceedings, 21 I, 1919, Amsterdam, 1919, pp. 291-301
  
  
• Fundamental involutions on rational curves of order five
  KNAW, Proceedings, 6, 1903-1904, Amsterdam, 1904, pp. 508-510
  
  
• Involutions in a field of circles
  KNAW, Proceedings, 22 I, 1919-1920, Amsterdam, 1919, pp. 379-382
  
  
• Involutions on a curve of order four with triple points
  KNAW, Proceedings, 3, 1900-1901, Amsterdam, 1901, pp. 696-700
  
  
• Linear Null-Systems in the Plane
  KNAW, Proceedings, 21 I, 1919, Amsterdam, 1919, pp. 302-308
  
  
• Null systems determined by linear systems of plane algebraic curves
  KNAW, Proceedings, 22 I, 1919-1920, Amsterdam, 1919, pp. 156-163
  
  
• Null Systems in the Plane
  KNAW, Proceedings, 21 I, 1919, Amsterdam, 1919, pp. 286-290
  
  
• Null-Systems determined by two linear congruences of rays
  KNAW, Proceedings, 21 I, 1919, Amsterdam, 1919, pp. 309-311
  
  
• On a congruence of the second order and the first class formed by conics
  KNAW, Proceedings, 14 II, 1911-1912, Amsterdam, 1912, pp. 1173-1175
  
  
• On a group of complexes with rational cones of the complex
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 577-580
  
  
• On a line complex determined by two twisted cubics
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 922-925
  
  
• On a special tetraedal complex
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 572-577
  
  
• On algebraic twisted curves on scrolls of order n with (n-l)-fold right line
  KNAW, Proceedings, 10 II, 1907-1908, Amsterdam, 1908, pp. 837-838
  
  
• On an involution among the rays of space
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 478-481
  
  
• On an involution among the rays of space, which is determined by a bilinear congruence of twisted elliptical quartics
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 493-496
  
  
• On an involution among the rays of space, which is determined by two Reye congruences
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 482-487
  
  
• On bicuspidal curves of order four
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 499-504
  
  
• On bilinear null-systems
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 1156-1165
  
  
• On complexes of rays in relation to a rational skew curve
  KNAW, Proceedings, 6, 1903-1904, Amsterdam, 1904, pp. 12-17
  
  
• On complexes which can be built up of linear congruences
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 879-885
  
  
• On curves of order four with two flecnodal points or with two biflecnodal points
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 568-575
  
  
• On curves which can be generated by projective involutions of rays
  KNAW, Proceedings, 11, 1908-1909, Amsterdam, 1909, pp. 576-579
  
  
• On linear polar groups belonging to a biquadratic plane curve
  KNAW, Proceedings, 13 I, 1910, Amsterdam, 1910, pp. 44-48
  
  
• On linear systems of algebraic plane curves
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 711-716
  
  
• On metric properties of biquadratic twisted curves
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 910-917
  
  
• On nets of algebraic plane curves
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 631-633
  
  
• On Orthogonal Comitants
  KNAW, Proceedings, 2, 1899-1900, Amsterdam, 1900, pp. 485-494
  
  
• On pairs of points which are associated with respect to a plane cubic
  KNAW, Proceedings, 12, 1909-1910, Amsterdam, 1910, pp. 711-715
  
  
• On pencils of algebraic surfaces
  KNAW, Proceedings, 8 I, 1905, Amsterdam, 1905, pp. 29-33
  
  
• On plane linear null-systems
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 1165-1169
  
  
• On polar figures with respect to a plane cubic curve
  KNAW, Proceedings, 12, 1909-1910, Amsterdam, 1910, pp. 776-780
  
  
• On systems of conics belonging to involutions on rational curves
  KNAW, Proceedings, 6, 1903-1904, Amsterdam, 1904, pp. 505-508
  
  
• On the correspondence of the pairs of points separated harmonically by a twisted quartic curve
  KNAW, Proceedings, 15 II, 1912-1913, Amsterdam, 1913, pp. 918-921
  
  
• On the orthoptical circles belonging to linear systems of conics
  KNAW, Proceedings, 1, 1898-1899, Amsterdam, 1899, pp. 305-310
  
  
• On the pedal circles of the point-field in reference to a given triangle
  KNAW, Proceedings, 3, 1900-1901, Amsterdam, 1901, pp. 323-327
  
  
• On the spheres of MONGE belonging to ordinary and tangential pencils of quadratic surfaces
  KNAW, Proceedings, 5, 1902-1903, Amsterdam, 1902, pp. 484-487
  
  
• On Trinodal Quartics
  KNAW, Proceedings, 1, 1898-1899, Amsterdam, 1899, pp. 263-272
  
  
• On twisted curves of genus two
  KNAW, Proceedings, 10 II, 1907-1908, Amsterdam, 1908, pp. 832-836
  
  
• On twisted quintics of genus unity
  KNAW, Proceedings, 2, 1899-1900, Amsterdam, 1900, pp. 374-379
  
  
• On two linear congruences of quartic twisted curves of the first species
  KNAW, Proceedings, 14 II, 1911-1912, Amsterdam, 1912, pp. 1122-1128
  
  
• Pencils of twisted cubics on a cubic surface
  KNAW, Proceedings, 19 I, 1917, Amsterdam, 1917, pp. 97-99
  
  
• Quadratic complexes of revolution
  KNAW, Proceedings, 9 I, 1906, Amsterdam, 1906, pp. 216-221
  
  
• Quadratic involutions among the rays of space
  KNAW, Proceedings, 22 II, 1920, Amsterdam, 1920, pp. 634-640
  
  
• Right lines on surfaces with multiple right lines
  KNAW, Proceedings, 4, 1901-1902, Amsterdam, 1902, pp. 577-583
  
  
• Some characteristic numbers of an algebraic surface
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 716-720
  
  
• Some particular bilinear congruences of twisted cubics
  KNAW, Proceedings, 17 III, 1914-1915, Amsterdam, 1915, pp. 1256-1260
  
  
• Some properties of pencils of algebraic curves
  KNAW, Proceedings, 8 II, 1905-1906, Amsterdam, 1906, pp. 817-821
  
  
• Surfaces that may be represented in a plane by a linear congruence of rays
  KNAW, Proceedings, 20 I, 1918, Amsterdam, 1918, pp. 419-423
  
  
• Systems of circles determined by a pencil of conics
  KNAW, Proceedings, 17 III, 1914-1915, Amsterdam, 1915, pp. 1107-1111
  
  
• Tangential curves of a pencil of rational cubics
  KNAW, Proceedings, 18 II, 1916, Amsterdam, 1916, pp. 1277-1281
  
  
• The congruence of the conics situated on the cubic surfaces of a pencil
  KNAW, Proceedings, 7, 1904-1905, Amsterdam, 1905, pp. 264-266
  
  
• The harmonic curves belonging to a given plane cubic curve
  KNAW, Proceedings, 6, 1903-1904, Amsterdam, 1904, pp. 197-201
  
  
• The number of conics intersecting eight given right lines
  KNAW, Proceedings, 4, 1901-1902, Amsterdam, 1902, pp. 181-184
  
  
• The quadruple involution of the cotangential points of a cubic pencil
  KNAW, Proceedings, 17 I, 1914, Amsterdam, 1914, pp. 102-104
  
  
• Two null systems determined by a net of cubics
  KNAW, Proceedings, 19 II, 1917, Amsterdam, 1917, pp. 1124-1130
  
  
• Two representations of the field of circles on point-space
  KNAW, Proceedings, 23 II, 1922, Amsterdam, 1922, pp. 1323-1326