Recent content by mcastillo356

Same as me. Same hours. Same pills, probably 🤣 I've recently noticed that the more I sleep, the better I get along at everything (studies, work, communication skills - in my context, this last means I tend to listen to the folk I'm in front of, instead of myself...). Best wishes, truly. Marcos

Hi, @erobz, amazing, but, did you take the time to sleep the mandatory hours? I haven't got a clue, @berkeman could tell, but I think you really had a year of living... Hard, crazy, intense... How many hours without rest, did have your days? Anyhow, good work. Best wishes, PF

Hi Fine Neither I. Been looking for some explanation... What did I mean? I've read a couple of times... Better. I personally prefer to leave aside "infinity is not..." I cannot make any sense of it . True. Thanks!

Hi, PF $$\int h(x)<\infty$$ This means $$cos(a_nx)$$ is bounded above I'm struggling with this statement. I must say this post is exploratory, not to say it could be erratic. Well, my attempt to understand it relies in the following quote...

I forgot to tell. I passed all exams in June, and my parents made me one of the best gifts of my life: I went to the USA on July. One month. Guided, of course: I was only 16. Visited New York for three days (I remember I climbed all the stairs inside the Liberty Statue; don't know how I managed...

Hi PF, @Mark44 ! Well, you got me. I mean, my curiosity runs beyond my mathematical background. It's time for me to take some brief pause to think new ways to focus the thread. ¡Saludos, amigo! Meet in two days.

Hi, PF I had to enroll at the UNED to access tutors. Various prejudices have prevented it from doing so. I was also about to ask a student at the University of the Basque Country who was finishing his Bachelor's Degree in Mathematics. I recoiled too. @fresh_42 last post is quite difficult to...

Hi, @TartElm, very interesting. Sure? Best wishes!

Hi, @dzbshea, I like physics since I read at Tipler and Mosca "Physics for Science and Technology" introduction "Nature of Physics": The search for understanding the world we live in has adopted many shapes, or, better said, answers, i.e. Religion, Art, and Science. So from my point of view...

I was having fun at Bilbao, Biscay, Basque Country, with my best friend. Now I am 58. I look back in longing (did I use well the word "longing"?)

Hi, Yes it is. I've studied the post for a while, but still doubts. I'm plannig on ask them to a UNED (https://en.wikipedia.org/wiki/National_University_of_Distance_Education) teacher. My opinion is that it is a good step (turn to face-to-face and expert help). Best wishes!

Hi, I've found this link. Hope (It's been quickly done) it's useful. https://www.flyingmag.com/guides/flying-at-night-what-you-need-to-know/ Best wishes!

How much that meal? I'd bet not less than six euros. And I'd happily pay and enjoy it. Best wishes!

There are stories about ghosts at the inn, and it features on "ghost tours" of Abbeville. We didn't see any. :frown: You've brought a smile to my face. If on this side of the pond I manage to steal the British Guiana 1c magenta, it's yours, ha! Best wishes!

Hi, @Khi Choy Xichdu, have a nice meeting. I really want you to enjoy the gathering you have in mind. Peace & ❤️