Mathematics
Found in 198 Collections and/or Records:
Correspondence between Mary L. Cartwright and Edward Appleton, c. 1943
Correspondence between Mary L. Cartwright and Edward Appleton, c. 1943. The material consists of letters and calculations and it includes two letters from J.E. Littlewood (only one dated, 1943), and 1 page of calculations in another hand.
Correspondence between Mary L. Cartwright and Edward Appleton, c. 1946
Correspondence between Mary L. Cartwright and Edward Appleton, c. 1946. The material consists of letters, graphs and it includes draft of Cartwright's paper, 'Forced oscillations in nearly sinusoidal systems' and miscellaneous offprints on the subject by Cartwright, Littlewood, Van der Pol, etc., not all dated.
Correspondence between Mary Taylor and Edward Appleton, 1931-1933
Correspondence between Mary Taylor and Edward Appleton, dated 1931-1933. The material includes a translation by Taylor of a Russian paper by L. Schekulin on the subject of propagation of electromagnetic waves in ionized gas under the influence of a constant magnetic field H.
Correspondence of Sir Archibald Geikie: American geologists, 1878-1907
The Correspondence of Sir Archibald Geikie: American geologists sub-series consists of:
- 67 letters and postcards, alphabetically arranged (1878-1907).
Corrigenda to the Astronomiae, 1698-1699
Editorial issues in Gregory's major textbook.
Curva Cragio exhibitur, July 1687
Gregory, probably with Pitcairne at his side, sent these curves to Craige in Cambridge, challenging him to find their quadrature. Thus the writing that is not in Gregory's hand may be Craige's.
Curva foliata, c1693
Diagram and mathematical description of a foliate curve. A modern hand has pencilled in "7 a Schooten", referring to geometer Frans van Schooten (1615-1660).
D. Tchurnhausi meth: Quadraturarum de Act: Erud: M.S., c1688
An article on quadrature, perhaps in the hand of its author, 'Tchurnhaus', for the Acta, c1688.
De aequationibus Cubicis, s.d.
Gregory on cubic equations.
De affirmanda parallaxi magni orbis, cogitatum Hugenii, June 1693
A transcription of Christiaan Huygen's argument that because stars' observed radii are so insensibly small, the diameter of the earth's orbit relative to the stars' position is also insensible, and thus the parallax measurement, which ought to prove or disprove the Copernican layout of the heavens, is useless.