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Indiana University Studies 



4. Review of J. H. Tanner and Joseph Allen's 'A brief course in analytic 

 geometry'. Bull. Am. Math. Soc, XIX, pp. 279-280. 1913. 



David Andrew Rothrock, Dean of the College of Liberal Arts and Prof essor 

 of Mathematics. 



A.B., Indiana University, 1892, A.M., 1893; Ph.D., University of Leipsic, 1898. 



1. Invariants of the finite continuous groups of the plane. Am. Math. 



Mo., V, pp. 249-264. Nov., 1898. 



2. Point invariants of the Lie groups. Proc. Ind. Acad. Sci. for 1898, pp. 



119-135. 1899. 



3. Differential invariants derived from point invariants. Proc. Ind. Acad. 



Sci. for 1898, pp. 135-147. 1899. 



4. Essentials of algebra. (With Robert J. Aley.) New York, pp. v, 295. 



1904. 



5. Supplemental problems to essentials of algebra. (With Robert J. Aley.) 



New York. 1905. 



6. Theory of functions. Lithographed by H. Kohler, Munich, pp. 80. 1904. 



7. Concerning differential invariants. Proc. Ind. Acad. Sci. for 1906, pp. 



85-92. 1907. 



8. Conjugate functions and- conical transformations. Proc. Ind. Acad. 



Sci. for 1906, pp. 93-94. 1907. 



9. Elements of plane and spherical trigonometry. New York, Macmillan, 



pp. xi, 147. 1910. 



10. Logarithmic, trigonometric, and other tables. New York, Macmillan, 



pp. xiv, 99. 1910. 



11. Answers to problems in the author's 'Elements of plane and spherical 



trigonometry. New York, Macmillan, pp. 10. 1912. 



12. Some relations of plane and spherical geometry. Proc. Ind. Acad. Sci. 



for 1915, pp. 273-281. 1916. 



13. Editorial notes. Am. Math. Mo., pp. 120. 1916-1918. 



Kenneth Powers Williams, Associate Professor of Mathematics. 



A.B., Indiana University, 1908; A.M., 1909; Ph.D., Princeton University, 1913. 



1. The derivation of Poisson's equation by means of Gauss's theorem of 



the arithmetic mean. Ind. Univ. Studies, No. 8, pp. 64-68. 1910. 



2. The solutions of non-homogeneous linear difference equations and their 



asymptotic form. Trans. Am. Math. Soc, XIV, pp. 209-240. 1913. 



3. The asymptotic form of the function ^ (x). Bull. Am. Math. Soc, 



XIX, pp. 472-479. 1913. 



4. The linear difference equation of the first order. Ann. Math., XV, pp. 



129-135. 1914. 



5. Concerning a certain totally discontinuous function. Bull. Am. Math. 



Soc, XXI, pp. 117-120/ 1914. 



6. Review of Harold Jacoby's 'Astronomy, a popular handbook'. Bull. 



Am. Math. Soc, XXI, pp. 145-148. 1914-1915. 



7. A theorem concerning real functions. Ann. Math., XVII, pp. 72-73. 



1915. 



