summary:The paper deals with locally connected continua $X$ in the Euclidean plane. Theorem 1 asserts that there exists a simple closed curve in $X$ that separates two given points $x$, $y$ of $X$ if there is a subset $L$ of $X$ (a point or an arc) with this property. In Theorem 2 the two points $x$, $y$ are replaced by two closed and connected disjoint subsets $A$, $B$. Again -- under some additional preconditions -- the existence of a simple closed curve disconnecting $A$ and $B$ is stated
summary:The well-known result of S. Mazurkiewicz that the simple closed curve is the only nondegener...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...
summary:The paper deals with locally connected continua $X$ in the Euclidean plane. Theorem 1 assert...
Karl Menger has shown that a necessary and sufficient condition that a plane continuum M contains no...
In this paper a study will be made of Plane continua. Part I deals with continua which constitute th...
In this paper a study will be made of Plane continua. Part I deals with continua which constitute th...
We answer some questions raised in [1]. In particular, we prove: (i) Let F be a compact subset of th...
We answer some questions raised in [1]. In particular, we prove: (i) Let F be a compact subset of th...
Let A be a closed subset of the plane. For a point b in the plane whose distance to A is d(b,A) let ...
summary:Contrary to a statement of Borsuk the author proves that every locally plane Peano continuum...
summary:Contrary to a statement of Borsuk the author proves that every locally plane Peano continuum...
The purpose of this paper is to prove: Theorem: Suppose M is a closed connected set containing more ...
R. L. Moore has formulated a set of axioms in terms of the undefined notions point, region, and "con...
Part I of this paper has to do with connected sets of cut points of a given continuous curve. It wi...
summary:The well-known result of S. Mazurkiewicz that the simple closed curve is the only nondegener...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...
summary:The paper deals with locally connected continua $X$ in the Euclidean plane. Theorem 1 assert...
Karl Menger has shown that a necessary and sufficient condition that a plane continuum M contains no...
In this paper a study will be made of Plane continua. Part I deals with continua which constitute th...
In this paper a study will be made of Plane continua. Part I deals with continua which constitute th...
We answer some questions raised in [1]. In particular, we prove: (i) Let F be a compact subset of th...
We answer some questions raised in [1]. In particular, we prove: (i) Let F be a compact subset of th...
Let A be a closed subset of the plane. For a point b in the plane whose distance to A is d(b,A) let ...
summary:Contrary to a statement of Borsuk the author proves that every locally plane Peano continuum...
summary:Contrary to a statement of Borsuk the author proves that every locally plane Peano continuum...
The purpose of this paper is to prove: Theorem: Suppose M is a closed connected set containing more ...
R. L. Moore has formulated a set of axioms in terms of the undefined notions point, region, and "con...
Part I of this paper has to do with connected sets of cut points of a given continuous curve. It wi...
summary:The well-known result of S. Mazurkiewicz that the simple closed curve is the only nondegener...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...
We investigate the conjecture that the complement in the euclidean plane E2 of a set F of cardinalit...