Mathematics / Math.QA

All posts under category "Mathematics / Math.QA"

2 posts total
Sorted by date
A Note on the Grothendieck Group of an Additive Category

A Note on the Grothendieck Group of an Additive Category

๋งค๋ ฅ์ ์ธ ํ•œ๊ธ€ ์ œ๋ชฉ: ๊ฐ€์‚ฐ ๋ฒ”์ฃผ์™€ ๊ทธ๋กœํ…๋””ํฌ ๊ทธ๋ฃน์˜ ๋™ํ˜•์„ฑ ์ดˆ๋ก ์ „์ฒด ๋ฒˆ์—ญ ๋ฐ ์ •๋ฆฌ: ๋ณธ ๋…ผ๋ฌธ์€ ๊ฐ€์‚ฐ ๋ฒ”์ฃผ์˜ ์Šคํ”Œ๋ฆฟ ๊ทธ๋กœํ…๋””ํฌ ๊ทธ๋ฃน๊ณผ ํ•ด๋‹น ๋ฒ”์ฃผ์˜ ์œ ํ•œ ๋ณต์žก์ฒด์˜ ํ˜ธ๋ชจํ† ํ”ผ ๋ฒ”์ฃผ์—์„œ์˜ ์‚ผ๊ฐํ™”๋œ ๊ทธ๋กœํ…๋””ํฌ ๊ทธ๋ฃน์ด ๋™ํ˜•์ธ์ง€์— ๋Œ€ํ•œ ์งˆ๋ฌธ์„ ๋‹ค๋ฃฌ๋‹ค. ํŠนํžˆ, ๊ฐ€์‚ฐ ๋ฒ”์ฃผ A์™€ ๊ทธ์˜ ์œ ํ•œ ๋ณต์žก์ฒด์˜ ํ˜ธ๋ชจํ† ํ”ผ ๋ฒ”์ฃผ Kb(A)๋ฅผ ๊ณ ๋ คํ•  ๋•Œ, A์˜ ์Šคํ”Œ๋ฆฟ ๊ทธ๋กœํ…๋””ํฌ ๊ทธ๋ฃน KโŠ•(A)๊ฐ€ Kb(A)์˜ ์‚ผ๊ฐํ™”๋œ ๊ทธ๋กœํ…๋””ํฌ ๊ทธ๋ฃน Kโ–ณ(Kb(A))์™€ ๋™ํ˜•์ธ ๊ฒƒ์„ ์ฆ๋ช…ํ•œ๋‹ค. ์ด๋Š” ํ˜ธ๋ชจํ† ํ”ผ ๋ฒ”์ฃผ์—์„œ์˜ ์—์šธ๋Ÿฌ ํŠน์„ฑ์ด ์›๋ž˜ ๊ตฌ์กฐ๋ฅผ ๋ณต์›ํ•˜๋Š” ๋ฐ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•œ๋‹ค๋Š” ์ ์—์„œ

Mathematics
Toda tau functions with quantum torus symmetries

Toda tau functions with quantum torus symmetries

: ๋ณธ ๋…ผ๋ฌธ์€ ์œ„์ƒ ๋ฌธ์ž์—ด์˜ ๋…น๋Š” ๊ฒฐ์ • ๋ชจ๋ธ๊ณผ 5์ฐจ์› ๊ฒŒ์ด์ง€ ์ด๋ก  ๊ฐ„์˜ ํ†ตํ•ฉ ๊ฐ€๋Šฅ์„ฑ์„ ํƒ๊ตฌํ•œ๋‹ค. ๋…น๋Š” ๊ฒฐ์ • ๋ชจ๋ธ์€ ๋ฌผ๋ฆฌํ•™์—์„œ ์ค‘์š”ํ•œ ์—ญํ• ์„ ํ•˜๋Š” ๋ชจ๋ธ๋กœ, ํŠนํžˆ ์œ„์ƒ ๋ฌธ์ž์—ด๊ณผ ๊ด€๋ จ๋œ ๋ฌธ์ œ๋ฅผ ๋‹ค๋ฃจ๋Š”๋ฐ ํ™œ์šฉ๋œ๋‹ค. ๋…ผ๋ฌธ์—์„œ๋Š” ์ด๋Ÿฌํ•œ ๋ชจ๋ธ์˜ ๋ถ„ํ•  ํ•จ์ˆ˜๊ฐ€ ํŠน์ • ์™ธ๋ถ€ ์ž ์žฌ๋ ฅ์— ์˜ํ•ด ๋ณ€ํ˜•๋  ๋•Œ Toda ๊ณ„์ธต์˜ ํƒ€์šฐ ํ•จ์ˆ˜์™€ ๋ณธ์งˆ์ ์œผ๋กœ ๋™์ผํ•˜๋‹ค๋Š” ๊ฒƒ์„ ๋ณด์—ฌ์ค€๋‹ค. Toda ๊ณ„์ธต์€ ํ†ต์ƒ์ ์ธ ํŽ˜๋ฅด๋ฏธ์˜จ ์‹œ์Šคํ…œ์—์„œ ํŒŒ์ƒ๋œ ์ค‘์š”ํ•œ ์ˆ˜ํ•™์  ๊ตฌ์กฐ๋กœ, ์ด๋ก  ๋ฌผ๋ฆฌํ•™๊ณผ ์ˆ˜ํ•™์—์„œ ๋„๋ฆฌ ์—ฐ๊ตฌ๋˜๊ณ  ์žˆ๋‹ค. ๋…ผ๋ฌธ์—์„œ๋Š” Toda ํƒ€์šฐ ํ•จ์ˆ˜์™€ ๋ณ€ํ˜•๋œ ๋ถ„ํ•  ํ•จ์ˆ˜ ๊ฐ„์˜ ๊ด€๊ณ„๋ฅผ ์–‘์ž ํ† 

HEP-TH Nonlinear Sciences Mathematics MATH-PH

< Category Statistics (Total: 769) >

Electrical Engineering and Systems Science
7
General
272
General Relativity
9
HEP-EX
7
HEP-PH
12
HEP-TH
7
MATH-PH
4
NUCL-TH
1
Quantum Physics
10

Start searching

Enter keywords to search articles

โ†‘โ†“
โ†ต
ESC
โŒ˜K Shortcut