Math 331 - Metric Spaces - Fall 2025

General info and course outline
Instructor: Ferit Öztürk
Office: tb260-b (Math. Dept.); Phone: 359-6532
Course Schedule: tue, thr 15:00-17:00 at TB310

Assistant: Oğuz Yılmaz
Office hours: mondays 9:00-11:00
PS Schedule: mon 17:00-19:00, on 15th Dec at M1171 btw 17:00-19:00

midterm 1: 30%; on October 27; between 17:00-19:00
midterm 2: 30%; on December 1; between 17:00-19:00
final exam: 30%; on December 29; between 10:00-13:00
6 pop quizzes: 10%, best 5 count
Make-up exams for the midterms took place on December 19th.


Our book is Robert Magnus' Metric Spaces - A Companion to Analysis


Midterm#1 covers first 2 chapters in the book.
More precisely 1.1,1.2,1.4 (except 1.2.4 and 1.4.5), 2.1,2.2,2.3,2.4,2.5
Midterm#1 solutions

Midterm#2 covers first 5 chapters in the book.
More precisely the exam consists of 4 questions chosen from the following list:
3.1.1 - 3.3.8,9 - 3.5.1,2 - 4.1.2,3,4,5 - 4.2.5,6,8 - 4.3.2,5,6,8,16,20,23 - 4.4.3,4 - 4.5.3,4,6,8 - 5.1.1,2,3 - 5.3.1,2,7
Midterm#2 solutions

Final exam covers sections 7.1,7.2,7.3; 1.3, 3.2; 1.1
Especially work out the questions
1.3.1-3 - 2.2.11d,24 - 2.3.8,12 - 3.2.2,3,8,9 - 4.1.2,3 - 6.1.9 - 7.1.3-10 - 7.2.1,2,6 - 7.3.4-12,15,18
You may see your exam papers on Wednesday between 14:00-16:00 at my office.

Grades Check your grades urgently and tell me if there is a mistake

Let's start the semester with a bit of excellent math chatter.

solutions for quiz2 quiz6 (by I.B.Ceylan)


PS material
suggested problem list (the ones with * are those solved in the PS):
week 2: 1.1.1,3,5; 1.2.2,3,5
week 3: 1.4.1,2a,3*; 2.1.2,3,4*,6-10; 2.2.2,7-9,10*,11-16,19,20,24,28*
week 4: 2.3.1-3,4*,5,7,8,9*,11*,12*,13-16
week 5: 2.4.3,4*,5-7,8*,9*; 2.5.2,3*,4,5*,6,7
week 5 bis: bring your questions... a correction
week 7: 3.1.2*; 3.3.1*,2*,4*,3,5,8,9,11*
week 8: 4.1.1*,2-4,5*,6,7*
week 9: 4.2.1*,3*,4*,5,6,7*,8; 4.3.1*,2-4,5*,6-10,13,14,15*,16,20; 4.5.1,3,4,6
week 10: 4.4.2-4
week 12: 7.1.3,4,5,6,7,8,10; 7.2.1,2; 7.3.4,5,6,7,8,10,11,12,15,18
week 13: 1.3.1,2,3; 3.2.2,3; 6.1.9 PS solutions


[Dept Mathematics] [Boğaziçi University]