MOBILE APP: PIBASEÂ TOPOLOGY
Ï€-Base Topology is a community database of topological counterexamples.
The official web page for the project is https://topology.jdabbs.com.
This web page is used for purposes regarding the mobile application of the project.
APP FUNCTIONALITY
All the information presented in the app is referenced or deduced from theorems, and validated by mathematicians.
SPACES
A lot of topological spaces.
Find out their properties!
THEOREMS
Check out for counterexamples of the converse.
SEARCH BY FORMULA
Search topological spaces by a logical formula of properties.
PROPERTIES
Learn new topological properties.
DOWNLOAD NOW!
TERMS & CONDITIONS
PiBase: Topology mobile application is a FREE application available for Android and iOS. The application uses an open source algorithm and a free-use database, whose owner is the π-base project (https://topology.jdabbs.com). The application serves ads in a non intrusive way (a banner at the bottom of the screen). Any user is able to access all the information inside the application without requiring to pay anything. We are not responsible for the information presented on the ads.  We are not responsible for the use that the user gives to the information, but, we encourage users to use information for teaching and learning. Finally, if some kind of information contains mistakes (especially, mathematical mistakes), we encourage our users to report the mistake on the original project so that it can be corrected.
PRIVACY POLICY
This Privacy Policy describes how we collect, use, and share information when you use our mobile application in connection with the Appodeal service. Our app does not directly collect any personal data from users; however, the Appodeal service may collect device information, usage data, and location data for delivering targeted advertisements. We do not directly use the information collected by Appodeal, which is solely used by them to provide and improve their advertising services. We do not share any personal data with third parties, but please note that Appodeal may share collected information with third-party advertisers and advertising networks. Users may opt-out of personalized advertising via device settings or the Appodeal Opt-Out page. Our app and the Appodeal service are not directed towards children under 13, and we do not knowingly collect personal information from them. If you have any questions or concerns, please contact us. By using our app, you consent to the collection and use of information as described herein.