目录 Frontispiece Preface PART I. MANUSCRIPTS Systems of Rays. Part Third Two Letters to Augustus de Morgan (1858) Letter to Hart on Anharmonic Coordinates (1860) PART II. GEOMETRY On Symbolical Geometry (1846-49)* [Cambridge and Dublin Mathematical Journal, 1, 45-57, 137-154, 256-263(1846); 2, 47-52,130-133, 204-209 (1847); 3, 68-84, 220-225 (1848);4, 84-89,105-118 (1849).] On some new applications of Quaternions to Geometry (1849) [British Association Report 1849, Part II., p. 1.] On Polygons inscribed on a Surface of the Second Order (1850) [British Association. Re)ort 1850, Part II., p. 2.] Symbolical Extensions of Quaternions; and Geometrical Applications of Quatemions (1855) [Proceedings of the Royal Irish Academy 6, 250, 260, 311 (1858).] On a General Expression by Quaternions for Cones of the Third Order (1857) [Proceedings of the Royal Irish Academy 6, 506, 512 (1858)] On a certain harmonic property of the envelope of the chord connecting two corresponding points of the Hessian of a Cubic Cone (1857) [Proceedings of the Royal Irish Academy 6, 524 (1858).] On some applications of Quaternions to Cones of the Third Degree(1857) [British Association Repart 1857, Part II., p. 3.] On Anharmonic Co-ordinates (1860) [Proceedings of the Ruyal Irish Academy 7, 286-289, 329, 350-354 (1862)] On Geometrical Nets in Space (1861) [Proceedmgs of the Royal Irish Academy 7, 532-582 (1862).] On Geometrical Nets in Space (1861) [British Association Report 1861. Part II.. p. 4.] …… PART III. ANALYSIS PART IV. ASTRONOMY PART VI. MISCELLANEOUS 编辑手记
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