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Zsbán Ambrus

Hungary, Europe

I'm a mathematician currently working in informatics.

Email: ambrus@math.bme.hu

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Top Questions
Top Answers
53
How could Dumbledore's Army ride thestrals even though only Harry and Luna could see them?
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48
Was it required at Hogwarts that a Head of House have been a student in that House?
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42
Why didn't Tom Riddle kill Harry Potter in Chamber of Secrets?
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33
In the potterverse, how do giants procreate with humans?
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32
In canon, has anyone other than Hagrid been expelled?
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31
Why did Lucius give Tom Riddle's diary to Ginny?
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29
Why couldn't Harry see Thestrals at the end of Goblet of Fire?
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26
Why would Hermione choose a cat for a pet?
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25
What stories and characters are referenced in this painting of a Science Fiction and Fantasy Lounge?
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24
Was Voldemort's secret identity always known to the Ministry of Magic? Was it ever secret?
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23
Why did Quirrell stutter?
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23
Blackbox Theorems
mathoverflow.net

22
Was Voldemort intending to create a horcrux when he attacked Harry Potter?
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21
Did Dumbledore Care About Any of His Hogwarts Charges Besides Harry or Draco Malfoy?
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21
Did Voldemort know when he was being lied to by Snape?
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20
How does Draco Malfoy know Hermione is Muggle-born?
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20
Does anyone else support Umbridge?
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20
Not especially famous, long-open problems which anyone can understand
mathoverflow.net

20
Who got drunk in Harry Potter?
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19
What creatures can apparate?
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18
Fiendfyre to destroy Horcrux
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18
Is Vaarsuvius male or female?
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18
Can a Person Be Chosen By More Than One Wand?
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18
Why were the Death Eaters so lenient during the fight at the Department of Mysteries?
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17
Did Voldemort seek out Phoenix tears?
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17
How is Harry Potter a distant cousin of Voldemort?
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16
Why did Dumbledore appoint Firenze to teach Divination?
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16
Mutually Exclusive Quines
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16
Have any Hogwarts students been killed by their house animal?
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16
Did Draco Malfoy Buy His Way Onto the Slytherin Quidditch Team?
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