Identity theorem Updated 2025-07-16
Essentially, defining an holomorphic function on any open subset, no matter how small, also uniquely defines it everywhere.
This is basically why it makes sense to talk about analytic continuation at all.
One way to think about this is because the Taylor series matches the exact value of an holomorphic function no matter how large the difference from the starting point.
Therefore a holomorphic function basically only contains as much information as a countable sequence of numbers.
University of Paris Updated 2025-07-16
Their split in 1970 was a huge fuck up. If it were a single entity, the university would likely be in the top 10 university rankings, undoubtedly top 20. But as of 2020 French universities only appear instead in the top 40s or 50s.
University of São Paulo Updated 2025-07-16
In retrospect, doing electrical engineering (and likey the other engineering degrees) felt like taking a trip to the 60s in the United States, due to both the subject matter, and how old the concrete buildings were!
This does not need to be a bad thing. It is in that era (and earlier) that much of the exciting foundations of the field were set, and there is great value in there is value in tutorials written by early pioneers of the field. Not that they were amazing at excting history lessons as they should be. But the course outline suggested that intent.
But that point of view must also be accompanied by the excitement of the great ongoing advances of technology (and impact they had in the past). And on that, they failed.
University of the People Updated 2025-07-16
Online and free. Pay only for exams, i.e. exam as a service. Almost perfect according to Ciro Santilli's idea.
Indian classical music trope type Updated 2025-07-16
Instant messaging vs email Updated 2025-07-16
Prime k-tuple conjecture Updated 2025-07-16
There are infinitely many prime k-tuples for every admissible tuple.
Generalization of the Twin prime conjecture.
Prize Updated 2025-07-16
Generally, prizes that pay big lumps of money to well established individuals are a bit useless, it would be better to pay smaller sums to struggling beginners in the field, of which there are aplenty.
The most important part about prizes should not be the money, nor the recognition, but rather explaining better what the laureates did. In this, most prizes fail. Thus Ciro Santilli's project idea: Project to explain each Nobel Prize better.
Quantum computing university course Updated 2025-07-16
Quantum interconnect company Updated 2025-07-16
Quantum programming framework Updated 2025-07-16
Spin Hall effect Updated 2025-07-16
E91 Updated 2025-07-16
Requires entangled particles, unlike BB84 which does not.
Intelligence Updated 2025-07-16
Metric (mathematics) Updated 2025-07-16
A metric is a function that give the distance, i.e. a real number, between any two elements of a space.
Because a norm can be induced by an inner product, and the inner product given by the matrix representation of a positive definite symmetric bilinear form, in simple cases metrics can also be represented by a matrix.
Organization developing quantum hardware Updated 2025-07-16
Smith aperiodic monotile Updated 2025-07-16
Snakes and Ladders Updated 2025-07-16
Social inequality Updated 2025-07-16
Ciro Santilli is extremely passionate about this issue, partly due to Ciro Santilli's self perceived compassionate personality.
One of Ciro's most direct experiences with social inequality is described at: São Remo, the favela next to USP.
We have to be careful not to make everyone poorer when trying to reduce inequality.
But as things stand as of 2020, increasing taxes on the very richest, and notably wealth tax, and investing it in free gifted education, seems like a safe bet to achieve any meaningful level of equal opportunity and meritocracy.
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