Results 31 to 40 of about 265 (56)

Co-Connected Spaces [PDF]

open access: yes, 1998
∗ Financial support of the Grant Agency of the Czech Republic under the grant no 201/96/0119 and of the Grant Agency of the Charles University under the grant GAUK 149 is gratefully acknowledged.Co-connected spaces, i.e.
Trnková, Vera
core  

Mapping Properties of Co-existentially Closed Continua [PDF]

open access: yes, 2005
A continuous surjection between compacta is called co-existential if it is the second of two maps whose composition is a standard ultracopower projection.
Bankston, Paul
core   +1 more source

On the continuity of functions [PDF]

open access: yes, 2007
Some theorems on continuity are presented. First we will prove that every convex function f :Rn -> R is continuous using nonstandard analysis methods. Then we prove that if the image of every compact (resp. convex) is compact (resp.
Almeida, R
core  

An Elementary Proof of The 2-Dimensional Version of The Brouwer Fixed Point Theorem [PDF]

open access: yes, 2014
We give an elementary proof of the 2-dimensional version of the Brouwer fixed point theorem. The proof can be extended to the n-dimensional version naturally.
Suzuki Tomonari, Takeuchi Yukio
core   +1 more source

Weakly ωb-Continuous Functions [PDF]

open access: yes, 2011
In this paper we introduce a new class of functions called weakly ωb-Continuous functions and investigate several properties and characterizations. Connections with other existing concepts, such as ωb-Continuous and weakly b-continuous functions, are ...
Mustafa, Jamal M.
core   +1 more source

A Frictionless Economy With Subotimizing Agents [PDF]

open access: yes
The existence of short-term monetary equilibrium in a frictionless economy with suboptimal agents is proved for any (reasonable) given interest rate. Separability ideas (as defined in Decision Theory) are applied.
José Manuel Gutiérrez
core  

Equiconnected spaces and Baire classification of separately continuous functions and their analogs

open access: yesOpen Mathematics, 2012
Karlova Olena   +2 more
doaj   +1 more source
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MR3157399 Reviewed: Kesavan, S. Continuous functions that are nowhere differentiable. Math. Newsl. 24 (2013), no. 3, 49–52. (54C05)

2014
The author uses the Baire category theorem to prove the existence of nowhere differentiable functions in C([0,1]). Precisely, the author proves the following: Theorem 1. There exist continuous functions on the interval [0,1] which are nowhere differentiable. In fact, the collection of all such functions forms a dense subset of C([0,1]).
openaire   +1 more source

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