Gejza Jenča

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Name	Gejza Jenča
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53

80

votes

22

answers

7k

views

Why do so many textbooks have so much technical detail and so little enlightenment? [closed]

soft-question books

sep 23 at 8:12 Filippo Alberto Edoardo 1,682●5●12

54

71

votes

54

answers

14k

views

Which math paper maximizes the ratio (importance)/(length)?

soft-question math-communication

2h ago Kevin Ventullo 3,224●10●20

20

36

votes

7

answers

2k

views

Is there an algebraic approach to metric spaces?

mg.metric-geometry gn.general-topology

may 1 at 17:08 Wlodzimierz Holsztynski 1

24

35

votes

8

answers

2k

views

What are some examples of interesting uses of the theory of combinatorial species?

co.combinatorics ct.category-theory

jun 30 at 13:43 Nicolae Boicu 1

6

21

votes

1

answer

884

views

Rock-paper-scissors…

co.combinatorics graph-theory classification

apr 11 12 at 8:15 Stefan Witzel 251●1●5

8

19

votes

5

answers

711

views

Concise model of modern fiat money and its non-conservation

ho.history-overview mathematical-economics

jan 27 at 21:28 Greg Kuperberg 36.3k●2●117●179

5

18

votes

4

answers

755

views

There are two slightly different notions of ultraproduct. Why is one said to be better than the other?

lo.logic ct.category-theory set-theory

aug 25 at 13:09 Tom Leinster 13.5k●1●40●83

8

18

votes

5

answers

867

views

Combinatorial Morse functions and random permutations

pr.probability co.combinatorics random-permutations enumerative-combinatorics

nov 20 at 21:32 Richard Stanley 13.4k●2●60●94

4

14

votes

4

answers

876

views

Morse theory in TOP and PL categories?

morse-theory surfaces gt.geometric-topology

may 24 12 at 18:37 VCF 504●1●10

9

13

votes

12

answers

2k

views

Homological Algebra for Commutative Monoids?

ac.commutative-algebra homological-algebra monoids short-exact-sequences f-1

feb 6 10 at 16:22 Reid Barton 14.5k●1●29●86

1

13

votes

4

answers

2k

views

Proving that a poset is a lattice

lattices order-theory posets co.combinatorics ra.rings-and-algebras

oct 10 10 at 6:04 Bjørn Kjos-Hanssen 2,468●1●9●18

9

12

votes

2

answers

1k

views

Completion of a category

ct.category-theory lo.logic

mar 26 11 at 16:02 Buschi Sergio 1,799●1●4●8

9

11

votes

6

answers

921

views

The category of posets

posets ct.category-theory reference-request

mar 19 12 at 14:56 o a 298●1●5

5

10

votes

1

answer

237

views

When is the derived category of representations of a finite poset equivalent to its opposite?

rt.representation-theory at.algebraic-topology koszul-duality posets

sep 26 at 23:50 David Treumann 1,808●4●13

11

9

votes

2

answers

2k

views

Literature with solved problems in algebraic topology

at.algebraic-topology reference-request

aug 1 at 18:51 Sina 19●2