Hi!

Due to excess comments in the last messageboard, I thought of posting the third version of it. Feel free to ask me questions or talk to me about any random topic. I would be happy if you discuss mathematics problems with me.

Regards,

**Swapnil Das.**

## Comments

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TopNewestDo you like Pigeons? – Nihar Mahajan · 9 months ago

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– Swapnil Das · 9 months ago

Lol no.Log in to reply

– Nihar Mahajan · 9 months ago

Why? They are so simple and soft...Log in to reply

– Swapnil Das · 9 months ago

They had done something strange on my head :PLog in to reply

@Pranshu Gaba Which branch did you take at the IISc? – Swapnil Das · 1 month, 2 weeks ago

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– Pranshu Gaba · 1 month, 1 week ago

There is just one branch in IISc for the first three semesters (1.5 years) in the undergraduate program. We have six courses for the each of the first three semesters: Physics, Chemistry, Biology, Mathematics, Engineering and Humanities. After three semesters, we will choose one of these subjects as a major and one subject as a minor.Log in to reply

– Swapnil Das · 1 month, 1 week ago

What are you plans? What will you take?Log in to reply

– Pranshu Gaba · 1 month, 1 week ago

Right now, I think I will take either Maths or Physics as major and biology as minor. However, I still have a lot of time to decide, and my preference changes very frequently. I have no idea what i'll end up taking.Log in to reply

I would really appreciate if you reply to this very question of mine. - Do photons possess mass?

It might be that they don't have rest mass, but have relativistic mass. Or do they don't have both?

@Michael Mendrin – Swapnil Das · 2 months, 2 weeks ago

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Physics experiments have been done where light travels very slowly, but not in free space. – Michael Mendrin · 2 months, 2 weeks ago

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– Swapnil Das · 2 months, 2 weeks ago

Thanks a lot!Log in to reply

@Otto Bretscher Happy Birthday! – Swapnil Das · 5 months, 4 weeks ago

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– Otto Bretscher · 5 months, 4 weeks ago

Thanks, but it's not my birthday, actually ;)Log in to reply

– Swapnil Das · 5 months, 4 weeks ago

LOL, I suddenly I saw a change in your profile to 60. When is your B'day? I want to wish you.Log in to reply

– Otto Bretscher · 5 months, 4 weeks ago

That change happened a few month ago, on January 27 ;) I usually spend my b-days with the Compañeros in Cuba, but this year, for the special occasion, we went to Alhambra, Granada, Al-Andalus, the most magnificent complex of buildings I have ever seen.Log in to reply

– Swapnil Das · 5 months, 4 weeks ago

Aww, I missed it :(Log in to reply

– Otto Bretscher · 5 months, 4 weeks ago

Better late than never; I appreciate the thought. I can't wait to receive your message next year, in Havana, Cuba. What about your own b-day, Comrade?Log in to reply

– Swapnil Das · 5 months, 4 weeks ago

I am born on the 5th of December, it was very kind of you to ask me, Sir :)Log in to reply

@Otto Bretscher Heppy Bday comrade! – Nihar Mahajan · 5 months, 4 weeks ago

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– Swapnil Das · 5 months, 4 weeks ago

Did you know that he had is B'day?Log in to reply

– Nihar Mahajan · 5 months, 4 weeks ago

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@Jon Haussmann

What if I add the condition : If \(xyz=1\) to the problem? Will the answer be correct then? – Swapnil Das · 6 months, 1 week ago

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@Matt DeCross Would you do like to post some problems on thermodynamics? It shall be greatly appreciated, Thanks! – Swapnil Das · 7 months, 2 weeks ago

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So, allow me to launch a topic for discussion, a number theory problem. This was the problem I had doubt in, but was unfortunately unable to get a nice solution. Can anyone provide one? – Swapnil Das · 9 months ago

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I'm currently studying Algebra and Number theory. Can anyone suggest books for them? – Swapnil Das · 9 months ago

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