𝔖 Bobbio Scriptorium
✦   LIBER   ✦

On a problem of Nirenberg concerning expanding maps

✍ Scribed by Jean-Michel Morel; Heinrich Steinlein


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
201 KB
Volume
59
Category
Article
ISSN
0022-1236

No coin nor oath required. For personal study only.


πŸ“œ SIMILAR VOLUMES


On a problem concerning piles of counter
✍ Keith Edwards πŸ“‚ Article πŸ“… 1996 πŸ› Elsevier Science 🌐 English βš– 103 KB

We show that a counter problem, originating from group theory, and due to R. Solomon, is NP-hard ## I. Introduction This paper concerns a problem which was raised by Cameron [1], and which originated with R. Solomon. It originates from a problem involving the lengths of chains of subgroups in cla

On a Problem of G. Isac and Th. M. Rassi
✍ P. GΔƒvruΕ£a πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 83 KB

We give an answer to a problem of G. Isac and Th. M. Rassias concerning Hyers᎐Ulam᎐Rassias stability of the linear mappings. A new characterization of -additive mappings is also given.

On a Problem of Schweiger Concerning Nor
✍ Cor Kraaikamp; Hitoshi Nakada πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 111 KB

Let T and S be two number theoretical transformations on the n-dimensional unit cube B, and write TtS if there exist positive integers m and n such that T m =S n . F. Schweiger showed in [1969, J. Number Theory 1, 390 397] that TtS implies that every T-normal number x is S-normal. Furthermore, he co