Collected Papers

durch eine Postulate für Schwerpunkte [A21].- 22. Einige analytische Untersuchungen in linearen, metrischen Ringen [A22].- 23. Über die Differentialgleichung y? = f(x, y, y?) [A23].- 24. Über die Ungleichung $$\frac{{\partial u}}{{\partial u}} > f\left( {x,y,u,\frac{{\partial u}}{{\partial u}}} \right)$$ [A24].- 25. Über das Verhalten der Integrale von ?y? + f (x, y, y?, ?) = 0 für ? ? 0 [A25].- 26. Über das Anfangswertproblem partieller Differentialgleichungen [A26].- 27. Über die Lage der Integralkurven gewöhnlicher Differentialgleichungen [A27].- 28. Über das Randwertproblem der nicht linearen gewöhnlichen Differentialgleichungen zweiter Ordnung [A28].- 29. Eine Art der Randwertaufgabe von Systemen gewöhnlicher Differentialgleichungen [A29].- 30. Eine Art der Randwertaufgabe von Systemen gewöhnlicher Differentialgleichungen, II [A30].- 31. Eine Art der Randwertaufgabe von Systemen gewöhnlicher Differentialgleichungen, III [A31].- 32. On the periodic solution of an ordinary differential equation of second order [A61].- 33. Invariance of domain by completely continuous shift in function space [A34].- 34. Degree of mapping of manifolds based on that of Euclidean open sets [A39].- 35. Sur la solution bornée de l'équation aux dérivées partielles du type elliptique [A40].- 36. Note sur l'inégalité différentielle concernant les équations du type parabolique [A41].- 37. A theory of degree of mapping based on infinitesimal analysis [A42].- 38. Degree of mapping in convex linear topological spaces [A43].- 39. A note on the theory of degree of mapping in Euclidean spaces [A44].- 40. On principally linear elliptic differential equations of the second order [A45].- 41. On Perron's method for the semi-linear hyperbolic system of partial differential equations in two independent variables [A46].- 42. On linear hyperbolic system of partial differential equations in the whole space [A47].- 43. On the normal forms of differential equations in the neighborhood of an equilibrium point [A48].- 44. On singular perturbation of linear partial differential equations with constant coefficients, I [A49].- 45. A note on closed linear operators [A51].- 46. A note on the solubility of an abstract functional equation [A52].- 47. Re-topologization of functional space in order that a set of operators will be continuous [A53].- 48. Perturbation and degeneration of evolutional equations in Banach spaces [A54].- 49. A note on elliptic differental operators of the second order [A56].- 50. Quantities and real numbers [A57].- 51. On Cauchy problem for a system of linear partial differential equations with constant coefficients [A58].- 52. On Cauchy problem for linear partial differential equations with constant coefficients [A59].- 53. On some quasi ordinary differential equation [A60].- Appendices.- I. On articles of Mitio Nagumo in the theory of ordinary differential equations by Y.Sibuya.- II. On articles of Mitio Nagumo in the theory of partial differential equations by S.Mizohata.- III. On Mitio Nagumo's miscellaneous mathematical papers by M.Yamaguti.- IV. On the life and works of Mitio Nagumo by S.Mizohata and M.Nagase.- V. Bibliography.- 1. List of articles by Mitio Nagumo.- 2. List of books by Mitio Nagumo.