192 



Burrau — Busch. 



— The solut. of a cert. partial difference 

 equat., 4 S. — On the formula of one-dimen- 

 sional kinematics, 6 S. (äl, 22). 



Jahresber. d. Deut. Math. Vereinig.: The 

 condit. that an irreducible group of linear 

 Substitut, on n variables of finite order may 

 contain a Substitut, with n — 1 unit multipliers, 



3 S. (20, 1911). 



London, Math. Soc. Proc: Arithmet. 

 theorem connected with roots of unity, & its 

 applicat. to group-characteristics, 5 S. — The 

 representat. of a group of finite order as an 

 irreducible group of linear Substitut., 7 S. — 

 Croups of order p-^qß , 5 & 6 S. (1 & », 1904 

 & 05). — The complete reduct. of any transit. 

 permutat. -group, 14 S. — Reducibility of any 

 group of linear Substitut., 5 S. — Criteria for 

 the finiteness of the order of a group of linear 

 Substitut., 6 S. (3, 05). — Arithmet. nature of 

 the coeff. in a group of linear Substitut, of 

 finite order, 9 S. — The Hessian configurat. 

 & its connect. with the group of 360 plane 

 coUineat., 18 S. (4, 06/07). — Theory of groups 

 of finite order, 7 S. — The arithmet. nature of 

 the coeff. in a group of linear Substitut., BS. 

 (7, 09). — Representat. of a group of finite 

 order as a group of linear Substitut, with 

 rational coeff., 9 S. (8, 10). — The determinat. 

 of all groups of rational linear Substitut, of 

 finite order which contain the Symmetrie group 

 in the variables, 24 S. (10, 11/12). — The 

 outer isomorphisms of a group, 3 S. — Some 

 properties of groups whose ordres are powers 

 of primes, 21 S. (11, 12/13). — Groups of linear 

 Substitut, of finite order which possess quad- 

 ratic invar., 5 S. (13, 13). 



London, Roy. Soc. Proc: The simple group 

 of order 25920, 29 S. (77, 1906). 



Messenger of Math.: On the rational deter- 

 minat. of a plane quartic fr. seven given bitan- 

 gents, 3 S. — An elementary proof of a pro- 

 perty of groups of finite order, 4 S. (44, 1914). 



— On the steady mot. of fluid under gravity, 



4 S. — Determinants of cyclically repeated 

 arrays, 3 S. (4.'», 15/16). — A rapidly conver- 

 gent series for log N, 5 S. — An expression for 

 the remainder in the expansion of a funct. in a 

 series of positive integral powers of the variables, 

 3 S. (46, 16/17). - On rational approximats. to 

 log X, 2 S. (47, 17/18). — On a plane configurat. 

 of points & lines connected with the group of 

 168 plane coUineat., 2 S. — On the probable 

 regularity of a random distribut. of points, 2 S. 

 (48, 18/19). — On cert. plane configurat. of 

 points & lines, 2 S. — A property of groups of 

 even order, IS. — On a property of algebraic 

 numbers, 2 S. (49, 19/20). — Ration, approxi- 

 mats. to cyclical cubic irrationalities, 3 S. — 

 Spherical configurat. of 8 points, 4 S. (52, 22). 



Quart. Journ. of pure a. appl. Math.: On 

 simply transitive groups of prime degree, 7 S. 

 (37, 1906). — The group of the twenty-seven 

 lines of a cubic surf., 5 S. (40, 09). — The coeff. 

 ia groups of linear Substitut, of finite order, 

 2 S. — The most general metabelian group 

 of finite order with two generators, 3 S. (41, 10). 



Stockholm, Acta math.: Soluble irreducible 

 groups of linear Substitut, in a prime number 

 of variables, 8 S. (27, 1903). — Reduction of a 

 group of homogeneous linear Substitut, of finite 

 order, 20 S. (28, 04). 



Burrau, Carl, Dr. phil. 1895 Kopen- 

 hagen; stud. 85—94 Kopenhagen; 94— 

 98 Assist., Univ.-Sternw., 98—22 in 

 privaten Versichergsgesellschaften, seit 



22 Mathematiker d. Versichergsamtes; 

 * 1867, Juli 29, Helsingör. (Eig. Mitt.) 

 Undersögelser over Instrumentkonstanter, 51 S., 

 Kopenh. 1895 (Diss.). — Taf. d. Funkt, cos 



6 sin m. d. natürl. sowohl reellen als rein 

 imag. Zahlen als Argument (Kreis- & Hyperbel- 

 funkt.), XX + 63 S., Berlin 1907. — Etudes 

 sur la theorie & la pratique des assurances 

 (autres que l'Assurance vie), 24 S., Kristiania 20. 



Astron. Nachr.: Recherches numeriques 

 concernant des solut. periodiques d'un cas spec. 

 du probl. des 3 corps, 4 S. (135, 1894). — Fort- 

 setzg., 7 S. (136, 94). — Numerische Berechng. 

 eines Spezialfalles d. Dreikörperproblems, 5 S. 

 (195, 13). — Librat. & Ejektionsbahnen^), 

 8 S. (197, 14). — Numerische Untersuchgn. üb. 

 e. Klasse period. Bahnen im probleme restreint^), 

 HS. (200, 15). — Numer. Untersuchgn. üb. e. 

 Klasse einfach period., retrograder Bahnen^), 



7 S. — Üb. e. System v. Ejektionsbahnen im 

 Probleme restreint^), 6 S. (202, 16). — Üb. eine 

 Klasse period. Bahnen um d. beiden endl. 

 Massen im probl. restr.^), 6 S. (203, 16). 



Journ. f. d. reine & angew.Math.: Numer. Lösg. 



n = 2 

 pn die Reihe d. Primzahlen v. 3 an durch- 

 läuft, 3 S. (142, 1913). 



VlertelJ.Schr. d. Astron. Ges.: Einige in, 

 Aussicht genommene Berechngn. betreffend e. 

 Spezialfall d. Dreikörper-Problems, 7 S. (41, 

 1906). 



Mit ') E. Strömgren. 



Burton, Eli Franklin, Dr. phil. 

 Toronto; stud. 1901-02 Toronto, 04— 

 06 Cambridge; 06—11 Demonstr., Phys., 

 seit 11 assoc. Prof., Phys., Univ., To- 

 ronto; * 1879, Febr. 14. 

 The physical properties of coUoidal solut., 

 2. Aufl., 8 + 221 S., 1921. 



Cambridge, Phil. Soc. Proc: Susceptibility 

 of iron in coUoidal solut. (m. P. Phillips), 9 S. 

 (13, 1904 — 06). — Experiment to illustrate 

 the mechanical tension on the surf, of a charged 

 conductor, 3 S. (16, 12). 



Canada, Roy. Soc. Proc. a. Trans.: Relat. 

 betw. the adiabatic & isothermal Young's 

 moduli of metals, 6 S. (5, 1911). 



London, Roy. Soc. Proc: A new method 

 of weighing coUoidal particles, 4 S. (95, 1919). 

 — The law of distribut. of particles in coUoidal 

 solut. (m. E. Bishop), 6 S. (100, 1922). 



Phil. Mag.: A radioactive gas fr. crude 

 petroleum, 11 S. (8, 1904). — The properties 

 of electrically prepared coUoidal solut., 22 S. 

 (11, 06). — The act. of electrolytes on coUoidal 

 solut., 7 S. (12, 06). — The act. of electrolytes 

 on copper coUoidal solut., 15 S. (17, 09). — 

 The effect of electricity on steams of water 

 drops (m. W. B. Wiegand), 17 S. (23, 12). — 

 The possible dependence of gravitational at- 

 tract. on chemical composit., & the fluctuat. 

 of the moon's longitude which might result 

 thereform, 4 S. (28, 14). 



Physik. Zeltschr.: Ein aus Rohpetroleum 

 gewonnenes radioaktives Gas, 6 S. (5, 1904). 



Toronto, Canad. Inst. Trans.: The dialysis of 

 coUoidal ferric hydroxide, 8 S. (9, 1910—13). 



Siehe J. C. McLennan. 



Busch, Hans, Dr. phil. 1911 Göttin- 

 gen, Neffe des Folgenden; stud. 05—11 



