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| Definition | YHJDW7H4EX | definition | open | Wikipedia Stacky curve#QWY1 |
| Definition | YHMEGRVE3Q | definition | open | Wikipedia Baer–Specker group#QKQX |
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| Definition | YJGZ9KW7GB | definition | open | Wikipedia Zero-divisor graph#BU9B |
| Definition | YJK6ZN9DCS | definition | open | Wikipedia Quasiconvexity (calculus of variations)#TMVX |
| Definition | YJNK7MFKAC | definition | open | Wikipedia Edge cover#F8Z6 |
| Definition | YK7P229XXW | definition | open | Wikipedia Computable set#U5KS |
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| Definition | YKYVD3QXBS | definition | open | Wikipedia False dilemma#1V7S |
| Definition | YKZV941K9S | definition | open | Wikipedia Permutation#9QMJ |
| Definition | YM0B2H9588 | definition | open | Wikipedia Complementary sequences#XZGG |
| Definition | YMD7PMKSXJ | definition | open | Wikipedia Quasi-isometry#VUO1 |
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| Definition | YMH9AAXEZX | definition | open | Wikipedia Left recursion#2HY7 |
| Definition | YMJH7C9DPK | definition | open | Wikipedia Signature (topology)#OLV9 |
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| Definition | YMSEPXAT3G | definition | open | Wikipedia Tschirnhaus transformation#9525 |
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| Definition | YPH4GA3H3Y | definition | open | Wikipedia Sl2-triple#DSF9 |
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| Definition | YX1FCRXW9W | definition | open | Wikipedia Residuated Boolean algebra#G2IP |
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| Definition | YYJS4AYG5Y | definition | open | Wikipedia Vopěnka's principle#CJN3 |
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| Definition | YZ6VPV4PWY | definition | open | Wikipedia Adaptive estimator#8439 |
| Definition | YZWSTGE809 | definition | open | Wikipedia Thue–Morse sequence#57W5 |
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| Definition | Z2N7RSP7K8 | definition | open | Wikipedia Maass–Shimura operator#GLR7 |
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| Definition | Z2W9K4139V | definition | open | Wikipedia Hrushovski construction#L0KQ |
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| Definition | Z35D72TWEA | definition | open | Wikipedia Vertex model#SECW |
| Definition | Z3KM0ZC1H8 | definition | open | Wikipedia Radius of convergence#RC91 |
| Definition | Z3KTSWE6BP | definition | open | Wikipedia Interpretation (model theory)#EEKJ |
| Definition | Z3NKWMCEEH | definition | open | Wikipedia Power cone#D11T |
| Definition | Z413N7Y0XE | definition | open | Wikipedia Shearlet#7MAW |
| Definition | Z4432B1BB0 | definition | open | Wikipedia Minimum-variance unbiased estimator#TC44 |
| Definition | Z5NF1SJRTN | definition | open | Wikipedia Line (geometry)#0EUW |
| Definition | Z5XQQ0XWVD | definition | open | Wikipedia Gödel's β function#5MPC |
| Definition | Z5YQ95M4MV | definition | open | Wikipedia Change of fiber#045U |
| Definition | Z60V2MM598 | definition | open | Wikipedia Multivector field#FBND |
| Definition | Z619F47NBN | definition | open | Wikipedia Zeta function regularization#QT6R |
| Definition | Z69HN1MZ8M | definition | open | Wikipedia Levene's test#U1DT |
| Definition | Z6F64S2KPJ | definition | open | Wikipedia Jech–Kunen tree#K2ML |
| Definition | Z6TTWKZS32 | definition | open | Wikipedia Condensed mathematics#8AZO |
| Definition | Z6VCDDFRGT | definition | open | Wikipedia Extranatural transformation#495W |
| Definition | Z799EJEFCE | definition | open | Wikipedia Fuzzy subalgebra#E4RZ |
| Definition | Z7CSA7JH5E | definition | open | Wikipedia Weakly chained diagonally dominant matrix#A34O |
| Definition | Z7MAATS71X | definition | open | Wikipedia Disjunctive normal form#JGYI |
| Definition | Z7RXXZX14E | definition | open | Wikipedia Bilinear form#49QS |
| Definition | Z8B91M8A34 | definition | open | Wikipedia Group object#19BO |
| Definition | Z8DFRHRAVW | definition | open | Wikipedia Seifert fiber space#WNCG |
| Definition | Z8GJZ9HHEE | definition | open | Wikipedia Zero sharp#4IRX |
| Definition | Z8JBFKK2TT | definition | open | Wikipedia Russo–Vallois integral#HPEW |
| Definition | Z9JKE4DTVN | definition | open | Wikipedia Incidence coloring#1TQS |
| Definition | Z9THSVN972 | definition | open | Wikipedia Resolvent (Galois theory)#3333 |
| Definition | ZA28GVSZGW | definition | open | Wikipedia Fractal derivative#LSKB |
| Definition | ZA5GRHEHHB | definition | open | Wikipedia Relative homology#GBER |
| Definition | ZA8X739YM0 | definition | open | Wikipedia Knizhnik–Zamolodchikov equations#C8R8 |
| Definition | ZABQ37Z1PG | definition | open | Wikipedia Total variation distance of probability measures#TLCO |
| Definition | ZAZNC3SKZ3 | definition | open | Wikipedia Moving-average model#3D4A |
| Definition | ZB47TJHSX9 | definition | open | Wikipedia Rational point#ZEXZ |
| Definition | ZB7SW8AA0G | definition | open | Wikipedia Artin transfer (group theory)#FKIU |