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Delft Institute of Applied Mathematics
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Researchers
(38)
Research output
(421)
Datasets
(13)
Prizes
(2)
Activities
(17)
Press/Media
(4)
Research output
Research output per year
1989
2018
2019
2020
2021
2022
2023
2024
2025
318
Article
50
Conference contribution
18
Dissertation (TU Delft)
10
Chapter
25
More
7
Report
6
Book
3
Abstract
2
Poster
2
Review article
2
Other contribution
1
Book editing
1
Paper
1
Conference article
Research output per year
Research output per year
1 results
Publication Year, Title
(descending)
Publication Year, Title
(ascending)
Title
Type
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Paper
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2021
Do the Angles of a Triangle Add up to 180°? - Introducing Non-Euclidean Geometry
Kekkonen, H. N.
,
2021
,
p. 285–288
.
4 p.
Research output
:
Contribution to conference
›
Paper
›
peer-review
Open Access
File
Euclidean Geometry
100%
Triangle
100%
geometry
100%
euclidean space
100%
Student
100%
107
Downloads (Pure)