Imagine you are playing with Legos and you build a really cool spaceship that can go very fast. Now, imagine you take two of those spaceships and you glue them together at a certain spot.
When you do this, you create what is called a Beppo-Levi space. This space can be really interesting because it has some cool properties.
One of the most important things about Beppo-Levi spaces is that they are always curved. This means that if you walk in a straight line in Beppo-Levi space, you will end up curving around in a circle without even realizing it.
Another thing to know is that Beppo-Levi spaces can be used to solve some very difficult math problems. Scientists and mathematicians have been studying them for a long time because they are very intricate and complex, but also very fascinating.
So, to put it simply, a Beppo-Levi space is when you take two Lego spaceships and glue them together at a certain spot. It is always curved and has some special properties that make it important for scientists to study.