A< SPACE \ A- EM SPACE \quad A> THIN SPACE A> ZERO WIDTH JOINER A> ZERO WIDTH NON-JOINER {} A> ZERO WIDTH SPACE \hspace{0pt} A- PERCENT SIGN \% T- EN DASH -- T- EN DASH \textendash T- EM DASH --- T- EM DASH \textemdash A> REPLACEMENT CHARACTER ???? T> LEFT SINGLE QUOTATION MARK ` T> RIGHT SINGLE QUOTATION MARK ' T- LEFT DOUBLE QUOTATION MARK `` T- RIGHT DOUBLE QUOTATION MARK '' T- DOUBLE LOW-9 QUOTATION MARK ,, T< DOUBLE LOW-9 QUOTATION MARK \glqq T- LEFT-POINTING DOUBLE ANGLE QUOTATION MARK \guillemotleft T- RIGHT-POINTING DOUBLE ANGLE QUOTATION MARK \guillemotright T> MODIFIER LETTER PRIME ' T> MODIFIER LETTER DOUBLE PRIME '' T> MODIFIER LETTER TURNED COMMA ` T> MODIFIER LETTER APOSTROPHE ' T> MODIFIER LETTER REVERSED COMMA ` T- DAGGER \dag T- DOUBLE DAGGER \ddag T< REVERSE SOLIDUS \textbackslash M< REVERSE SOLIDUS \backslash M- TILDE OPERATOR \sim T- MODIFIER LETTER LOW TILDE \texttildelow T- SMALL TILDE \~{} T- TILDE \textasciitilde M- BULLET \bullet T- BULLET \textbullet M- ASTERISK OPERATOR \ast T- NUMBER SIGN \# T- LOW LINE \_ T- AMPERSAND \& T- NO-BREAK SPACE ~ T- INVERTED EXCLAMATION MARK !` T- CENT SIGN \not{c} T- POUND SIGN \pounds T- POUND SIGN \textsterling T- YEN SIGN \yen T- YEN SIGN \textyen T- SECTION SIGN \S T- DIAERESIS \"{} T- NOT SIGN \neg T> HYPHEN - T- SOFT HYPHEN \- T- MACRON \={} M- DEGREE SIGN ^\circ T- DEGREE SIGN \textdegree M- MINUS SIGN - M- PLUS-MINUS SIGN \pm T- PLUS-MINUS SIGN \textpm M- SUPERSCRIPT TWO ^2 T- SUPERSCRIPT TWO \texttwosuperior M- SUPERSCRIPT THREE ^3 T- SUPERSCRIPT THREE \textthreesuperior T- ACUTE ACCENT \'{} M- MICRO SIGN \mu T- MICRO SIGN \micro T- PILCROW SIGN \P M- MIDDLE DOT \cdot T- MIDDLE DOT \textperiodcentered T- CEDILLA \c{} M- SUPERSCRIPT ONE ^1 T- SUPERSCRIPT ONE \textonesuperior T- INVERTED QUESTION MARK ?` A- LATIN CAPITAL LETTER A WITH GRAVE \`A A- LATIN CAPITAL LETTER A WITH CIRCUMFLEX \^A A- LATIN CAPITAL LETTER A WITH TILDE \~A A- LATIN CAPITAL LETTER A WITH DIAERESIS \"A A- LATIN CAPITAL LETTER A WITH RING ABOVE \AA A< LATIN CAPITAL LETTER A WITH RING ABOVE \r A A- LATIN CAPITAL LETTER AE \AE A- LATIN CAPITAL LETTER C WITH CEDILLA \c C A- LATIN CAPITAL LETTER E WITH GRAVE \`E A- LATIN CAPITAL LETTER E WITH ACUTE \'E A- LATIN CAPITAL LETTER E WITH CIRCUMFLEX \^E A- LATIN CAPITAL LETTER E WITH DIAERESIS \"E A- LATIN CAPITAL LETTER I WITH GRAVE \`I A- LATIN CAPITAL LETTER I WITH CIRCUMFLEX \^I A- LATIN CAPITAL LETTER I WITH DIAERESIS \"I A- LATIN CAPITAL LETTER N WITH TILDE \~N A- LATIN CAPITAL LETTER O WITH GRAVE \`O A- LATIN CAPITAL LETTER O WITH ACUTE \'O A- LATIN CAPITAL LETTER O WITH CIRCUMFLEX \^O A- LATIN CAPITAL LETTER O WITH TILDE \~O A- LATIN CAPITAL LETTER O WITH DIAERESIS \"O M- MULTIPLICATION SIGN \times A- LATIN CAPITAL LETTER O WITH STROKE \O A- LATIN CAPITAL LETTER U WITH GRAVE \`U A- LATIN CAPITAL LETTER U WITH ACUTE \'U A- LATIN CAPITAL LETTER U WITH CIRCUMFLEX \^U A- LATIN CAPITAL LETTER U WITH DIAERESIS \"U A- LATIN CAPITAL LETTER Y WITH ACUTE \'Y A- LATIN SMALL LETTER SHARP S \ss A- LATIN SMALL LETTER A WITH GRAVE \`a A- LATIN SMALL LETTER A WITH ACUTE \'a A- LATIN SMALL LETTER A WITH CIRCUMFLEX \^a A- LATIN SMALL LETTER A WITH TILDE \~a A- LATIN SMALL LETTER A WITH DIAERESIS \"a A- LATIN SMALL LETTER A WITH RING ABOVE \aa A< LATIN SMALL LETTER A WITH RING ABOVE \r a A- LATIN SMALL LETTER AE \ae A- LATIN SMALL LETTER C WITH CEDILLA \c c A- LATIN SMALL LETTER E WITH GRAVE \`e A- LATIN SMALL LETTER E WITH ACUTE \'e A- LATIN SMALL LETTER E WITH CIRCUMFLEX \^e A- LATIN SMALL LETTER E WITH DIAERESIS \"e A- LATIN SMALL LETTER I WITH GRAVE \`\i A- LATIN SMALL LETTER I WITH GRAVE \`i A- LATIN SMALL LETTER I WITH ACUTE \'\i A- LATIN SMALL LETTER I WITH ACUTE \'i A- LATIN SMALL LETTER I WITH CIRCUMFLEX \^\i A- LATIN SMALL LETTER I WITH CIRCUMFLEX \^i A- LATIN SMALL LETTER I WITH DIAERESIS \"\i A- LATIN SMALL LETTER I WITH DIAERESIS \"i A- LATIN SMALL LETTER N WITH TILDE \~n A- LATIN SMALL LETTER O WITH GRAVE \`o A- LATIN SMALL LETTER O WITH ACUTE \'o A- LATIN SMALL LETTER O WITH CIRCUMFLEX \^o A- LATIN SMALL LETTER O WITH TILDE \~o A- LATIN SMALL LETTER O WITH DIAERESIS \"o M- DIVISION SIGN \div A- LATIN SMALL LETTER O WITH STROKE \o A- LATIN SMALL LETTER U WITH GRAVE \`u A- LATIN SMALL LETTER U WITH ACUTE \'u A- LATIN SMALL LETTER U WITH CIRCUMFLEX \^u A- LATIN SMALL LETTER U WITH DIAERESIS \"u A- LATIN SMALL LETTER Y WITH ACUTE \'y A- LATIN SMALL LETTER Y WITH DIAERESIS \"y A- LATIN CAPITAL LETTER A WITH MACRON \=A A- LATIN SMALL LETTER A WITH MACRON \=a A- LATIN CAPITAL LETTER A WITH BREVE \u A A- LATIN SMALL LETTER A WITH BREVE \u a A- LATIN CAPITAL LETTER A WITH OGONEK \k A A- LATIN SMALL LETTER A WITH OGONEK \k a A- LATIN CAPITAL LETTER C WITH ACUTE \'C A- LATIN SMALL LETTER C WITH ACUTE \'c A- LATIN CAPITAL LETTER C WITH CIRCUMFLEX \^C A- LATIN SMALL LETTER C WITH CIRCUMFLEX \^c A- LATIN CAPITAL LETTER C WITH DOT ABOVE \.C A- LATIN SMALL LETTER C WITH DOT ABOVE \.c A- LATIN CAPITAL LETTER C WITH CARON \v C A- LATIN SMALL LETTER C WITH CARON \v c A- LATIN CAPITAL LETTER D WITH CARON \v D A- LATIN SMALL LETTER D WITH CARON \v d A- LATIN CAPITAL LETTER E WITH MACRON \=E A- LATIN SMALL LETTER E WITH MACRON \=e A- LATIN CAPITAL LETTER E WITH BREVE \u E A- LATIN SMALL LETTER E WITH BREVE \u e A- LATIN CAPITAL LETTER E WITH DOT ABOVE \.E A- LATIN SMALL LETTER E WITH DOT ABOVE \.e A- LATIN CAPITAL LETTER E WITH OGONEK \k E A- LATIN SMALL LETTER E WITH OGONEK \k e A- LATIN CAPITAL LETTER E WITH CARON \v E A- LATIN SMALL LETTER E WITH CARON \v e A- LATIN CAPITAL LETTER G WITH CIRCUMFLEX \^G A- LATIN SMALL LETTER G WITH CIRCUMFLEX \^g A- LATIN CAPITAL LETTER G WITH BREVE \u G A- LATIN SMALL LETTER G WITH BREVE \u g A- LATIN CAPITAL LETTER G WITH DOT ABOVE \.G A- LATIN SMALL LETTER G WITH DOT ABOVE \.g A- LATIN CAPITAL LETTER G WITH CEDILLA \c G A- LATIN SMALL LETTER G WITH CEDILLA \c g A- LATIN CAPITAL LETTER H WITH CIRCUMFLEX \^H A- LATIN SMALL LETTER H WITH CIRCUMFLEX \^h A- LATIN CAPITAL LETTER I WITH TILDE \~I A- LATIN SMALL LETTER I WITH TILDE \~\i A- LATIN SMALL LETTER I WITH TILDE \~i A- LATIN CAPITAL LETTER I WITH MACRON \=I A- LATIN SMALL LETTER I WITH MACRON \=\i A- LATIN SMALL LETTER I WITH MACRON \=i A- LATIN CAPITAL LETTER I WITH BREVE \u I A- LATIN SMALL LETTER I WITH BREVE \u\i A- LATIN SMALL LETTER I WITH BREVE \u i A- LATIN CAPITAL LETTER I WITH OGONEK \k I A- LATIN SMALL LETTER I WITH OGONEK \k i A- LATIN CAPITAL LETTER I WITH DOT ABOVE \.I A- LATIN SMALL LETTER DOTLESS I \i A> LATIN CAPITAL LIGATURE IJ IJ A> LATIN SMALL LIGATURE IJ ij A- LATIN CAPITAL LETTER J WITH CIRCUMFLEX \^J A- LATIN SMALL LETTER J WITH CIRCUMFLEX \^\j A- LATIN SMALL LETTER J WITH CIRCUMFLEX \^j A- LATIN CAPITAL LETTER K WITH CEDILLA \c K A- LATIN SMALL LETTER K WITH CEDILLA \c k A- LATIN CAPITAL LETTER L WITH ACUTE \'L A- LATIN SMALL LETTER L WITH ACUTE \'l A- LATIN CAPITAL LETTER L WITH CEDILLA \c L A- LATIN SMALL LETTER L WITH CEDILLA \c l A- LATIN CAPITAL LETTER L WITH CARON \v L A- LATIN SMALL LETTER L WITH CARON \v l A- LATIN CAPITAL LETTER L WITH STROKE \L A- LATIN SMALL LETTER L WITH STROKE \l A- LATIN CAPITAL LETTER N WITH ACUTE \'N A- LATIN SMALL LETTER N WITH ACUTE \'n A- LATIN CAPITAL LETTER N WITH CEDILLA \c N A- LATIN SMALL LETTER N WITH CEDILLA \c n A- LATIN CAPITAL LETTER N WITH CARON \v N A- LATIN SMALL LETTER N WITH CARON \v n A- LATIN CAPITAL LETTER O WITH MACRON \=O A- LATIN SMALL LETTER O WITH MACRON \=o A- LATIN CAPITAL LETTER O WITH BREVE \u O A- LATIN SMALL LETTER O WITH BREVE \u o A- LATIN CAPITAL LETTER O WITH DOUBLE ACUTE \H O A- LATIN SMALL LETTER O WITH DOUBLE ACUTE \H o A- LATIN CAPITAL LIGATURE OE \OE A- LATIN SMALL LIGATURE OE \oe A- LATIN CAPITAL LETTER R WITH ACUTE \'R A- LATIN SMALL LETTER R WITH ACUTE \'r A- LATIN CAPITAL LETTER R WITH CEDILLA \c R A- LATIN SMALL LETTER R WITH CEDILLA \c r A- LATIN CAPITAL LETTER R WITH CARON \v R A- LATIN SMALL LETTER R WITH CARON \v r A- LATIN CAPITAL LETTER S WITH ACUTE \'S A- LATIN SMALL LETTER S WITH ACUTE \'s A- LATIN CAPITAL LETTER S WITH CIRCUMFLEX \^S A- LATIN SMALL LETTER S WITH CIRCUMFLEX \^s A- LATIN CAPITAL LETTER S WITH CEDILLA \c S A- LATIN SMALL LETTER S WITH CEDILLA \c s A- LATIN CAPITAL LETTER S WITH CARON \v S A- LATIN SMALL LETTER S WITH CARON \v s A- LATIN CAPITAL LETTER T WITH CEDILLA \c T A- LATIN SMALL LETTER T WITH CEDILLA \c t A- LATIN CAPITAL LETTER T WITH CARON \v T A- LATIN SMALL LETTER T WITH CARON \v t A- LATIN CAPITAL LETTER U WITH TILDE \~U A- LATIN SMALL LETTER U WITH TILDE \~u A- LATIN CAPITAL LETTER U WITH MACRON \=U A- LATIN SMALL LETTER U WITH MACRON \=u A- LATIN CAPITAL LETTER U WITH BREVE \u U A- LATIN SMALL LETTER U WITH BREVE \u u A- LATIN CAPITAL LETTER U WITH RING ABOVE \r U A- LATIN SMALL LETTER U WITH RING ABOVE \r u A- LATIN CAPITAL LETTER U WITH DOUBLE ACUTE \H U A- LATIN SMALL LETTER U WITH DOUBLE ACUTE \H u A- LATIN CAPITAL LETTER U WITH OGONEK \k U A- LATIN SMALL LETTER U WITH OGONEK \k u A- LATIN CAPITAL LETTER W WITH CIRCUMFLEX \^W A- LATIN SMALL LETTER W WITH CIRCUMFLEX \^w A- LATIN CAPITAL LETTER Y WITH CIRCUMFLEX \^Y A- LATIN SMALL LETTER Y WITH CIRCUMFLEX \^y A- LATIN CAPITAL LETTER Y WITH DIAERESIS \"Y A- LATIN CAPITAL LETTER Z WITH ACUTE \'Z A- LATIN SMALL LETTER Z WITH ACUTE \'z A- LATIN CAPITAL LETTER Z WITH DOT ABOVE \.Z A- LATIN SMALL LETTER Z WITH DOT ABOVE \.z A- LATIN CAPITAL LETTER Z WITH CARON \v Z A- LATIN SMALL LETTER Z WITH CARON \v z A- LATIN CAPITAL LETTER DZ WITH CARON D\v Z A- LATIN CAPITAL LETTER D WITH SMALL LETTER Z WITH CARON D\v z A- LATIN SMALL LETTER DZ WITH CARON d\v z A> LATIN CAPITAL LETTER LJ LJ A> LATIN CAPITAL LETTER L WITH SMALL LETTER J Lj A> LATIN SMALL LETTER LJ lj A> LATIN CAPITAL LETTER NJ NJ A> LATIN CAPITAL LETTER N WITH SMALL LETTER J Nj A> LATIN SMALL LETTER NJ nj A- LATIN CAPITAL LETTER A WITH CARON \v A A- LATIN SMALL LETTER A WITH CARON \v a A- LATIN CAPITAL LETTER I WITH CARON \v I A- LATIN SMALL LETTER I WITH CARON \v\i A- LATIN CAPITAL LETTER O WITH CARON \v O A- LATIN SMALL LETTER O WITH CARON \v o A- LATIN CAPITAL LETTER U WITH CARON \v U A- LATIN SMALL LETTER U WITH CARON \v u A- LATIN CAPITAL LETTER G WITH CARON \v G A- LATIN SMALL LETTER G WITH CARON \v g A- LATIN CAPITAL LETTER K WITH CARON \v K A- LATIN SMALL LETTER K WITH CARON \v k A- LATIN CAPITAL LETTER O WITH OGONEK \k O A- LATIN SMALL LETTER O WITH OGONEK \k o A- LATIN SMALL LETTER J WITH CARON \v\j A> LATIN CAPITAL LETTER DZ DZ A> LATIN CAPITAL LETTER D WITH SMALL LETTER Z Dz A> LATIN SMALL LETTER DZ dz A- LATIN CAPITAL LETTER G WITH ACUTE \'G A- LATIN SMALL LETTER G WITH ACUTE \'g A- LATIN CAPITAL LETTER AE WITH ACUTE \'\AE A- LATIN SMALL LETTER AE WITH ACUTE \'\ae A- LATIN CAPITAL LETTER O WITH STROKE AND ACUTE \'\O A- LATIN SMALL LETTER O WITH STROKE AND ACUTE \'\o A- LATIN CAPITAL LETTER ETH \DH A- LATIN SMALL LETTER ETH \dh A- LATIN CAPITAL LETTER THORN \TH A- LATIN SMALL LETTER THORN \th A- LATIN CAPITAL LETTER D WITH STROKE \DJ A- LATIN SMALL LETTER D WITH STROKE \dj A- LATIN CAPITAL LETTER D WITH DOT BELOW \d D A- LATIN SMALL LETTER D WITH DOT BELOW \d d A- LATIN CAPITAL LETTER L WITH DOT BELOW \d L A- LATIN SMALL LETTER L WITH DOT BELOW \d l A- LATIN CAPITAL LETTER M WITH DOT BELOW \d M A- LATIN SMALL LETTER M WITH DOT BELOW \d m A- LATIN CAPITAL LETTER N WITH DOT BELOW \d N A- LATIN SMALL LETTER N WITH DOT BELOW \d n A- LATIN CAPITAL LETTER R WITH DOT BELOW \d R A- LATIN SMALL LETTER R WITH DOT BELOW \d r A- LATIN CAPITAL LETTER S WITH DOT BELOW \d S A- LATIN SMALL LETTER S WITH DOT BELOW \d s A- LATIN CAPITAL LETTER T WITH DOT BELOW \d T A- LATIN SMALL LETTER T WITH DOT BELOW \d t A- LATIN CAPITAL LETTER S WITH COMMA BELOW \textcommabelow S A- LATIN SMALL LETTER S WITH COMMA BELOW \textcommabelow s A- LATIN CAPITAL LETTER T WITH COMMA BELOW \textcommabelow T A- LATIN SMALL LETTER T WITH COMMA BELOW \textcommabelow t M- SCRIPT SMALL L \ell M- SQUARE ROOT \surd M- INFINITY \infty M- INTEGRAL \int M- INTERSECTION \cap M- UNION \cup M- RIGHTWARDS ARROW \rightarrow M- RIGHTWARDS DOUBLE ARROW \Rightarrow M- LEFTWARDS ARROW \leftarrow M- LEFTWARDS DOUBLE ARROW \Leftarrow M- LOGICAL OR \vee M- LOGICAL AND \wedge M- ALMOST EQUAL TO \approx M- NOT EQUAL TO \neq M- LESS-THAN OR EQUAL TO \leq M- GREATER-THAN OR EQUAL TO \geq M- FOR ALL \forall M- COMPLEMENT \complement M- PARTIAL DIFFERENTIAL \partial M- THERE EXISTS \exists M- THERE DOES NOT EXIST \nexists M- EMPTY SET \emptyset M- NABLA \nabla M- ELEMENT OF \in M- NOT AN ELEMENT OF \notin M- CONTAINS AS MEMBER \ni M- DOES NOT CONTAIN AS MEMBER \notni M- END OF PROOF \blacksquare M- N-ARY PRODUCT \prod M- N-ARY COPRODUCT \coprod M- N-ARY SUMMATION \sum M- SUBSET OF \subset M- SUPERSET OF \supset M- NOT A SUBSET OF \not\subset M- NOT A SUPERSET OF \not\supset M- SUBSET OF OR EQUAL TO \subseteq M- SUPERSET OF OR EQUAL TO \supseteq M- NEITHER A SUBSET OF NOR EQUAL TO \nsubseteq M- NEITHER A SUPERSET OF NOR EQUAL TO \nsupseteq M- SUBSET OF WITH NOT EQUAL TO \subsetneq M- SUPERSET OF WITH NOT EQUAL TO \supsetneq T- MODIFIER LETTER CIRCUMFLEX ACCENT \^{} T- CARON \v{} T- BREVE \u{} T- DOT ABOVE \.{} T- RING ABOVE \r{} T- OGONEK \k{} T- DOUBLE ACUTE ACCENT \H{} A> LATIN SMALL LIGATURE FI fi A> LATIN SMALL LIGATURE FL fl A> LATIN SMALL LIGATURE FF ff A> LATIN SMALL LIGATURE FFI ffi A> LATIN SMALL LIGATURE FFL ffl A> LATIN SMALL LIGATURE ST st M- GREEK SMALL LETTER ALPHA \alpha M- GREEK SMALL LETTER BETA \beta M- GREEK SMALL LETTER GAMMA \gamma M- GREEK SMALL LETTER DELTA \delta M- GREEK SMALL LETTER EPSILON \epsilon M- GREEK SMALL LETTER ZETA \zeta M- GREEK SMALL LETTER ETA \eta M- GREEK SMALL LETTER THETA \theta T< GREEK SMALL LETTER THETA \texttheta M- GREEK SMALL LETTER IOTA \iota M- GREEK SMALL LETTER KAPPA \kappa M- GREEK SMALL LETTER LAMDA \lambda M- GREEK SMALL LETTER MU \mu M- GREEK SMALL LETTER NU \nu M- GREEK SMALL LETTER XI \xi M- GREEK SMALL LETTER OMICRON \omicron M- GREEK SMALL LETTER PI \pi M- GREEK SMALL LETTER RHO \rho M- GREEK SMALL LETTER SIGMA \sigma M- GREEK SMALL LETTER TAU \tau M- GREEK SMALL LETTER UPSILON \upsilon M- GREEK SMALL LETTER PHI \phi M- GREEK PHI SYMBOL \varphi M- GREEK SMALL LETTER CHI \chi M- GREEK SMALL LETTER PSI \psi M- GREEK SMALL LETTER OMEGA \omega M- GREEK CAPITAL LETTER ALPHA \Alpha M- GREEK CAPITAL LETTER BETA \Beta M- GREEK CAPITAL LETTER GAMMA \Gamma M- GREEK CAPITAL LETTER DELTA \Delta M- GREEK CAPITAL LETTER EPSILON \Epsilon M- GREEK CAPITAL LETTER ZETA \Zeta M- GREEK CAPITAL LETTER ETA \Eta M- GREEK CAPITAL LETTER THETA \Theta M- GREEK CAPITAL LETTER IOTA \Iota M- GREEK CAPITAL LETTER KAPPA \Kappa M- GREEK CAPITAL LETTER LAMDA \Lambda M- GREEK CAPITAL LETTER MU \Mu M- GREEK CAPITAL LETTER NU \Nu M- GREEK CAPITAL LETTER XI \Xi M- GREEK CAPITAL LETTER OMICRON \Omicron M- GREEK CAPITAL LETTER PI \Pi M- GREEK CAPITAL LETTER RHO \Rho M- GREEK CAPITAL LETTER SIGMA \Sigma M- GREEK CAPITAL LETTER TAU \Tau M- GREEK CAPITAL LETTER UPSILON \Upsilon M- GREEK CAPITAL LETTER PHI \Phi M- GREEK CAPITAL LETTER CHI \Chi M- GREEK CAPITAL LETTER PSI \Psi M- GREEK CAPITAL LETTER OMEGA \Omega T- COPYRIGHT SIGN \copyright T- COPYRIGHT SIGN \textcopyright T- LATIN CAPITAL LETTER A WITH ACUTE \'A T- LATIN CAPITAL LETTER I WITH ACUTE \'I A- HORIZONTAL ELLIPSIS \ldots M- TRADE MARK SIGN ^{TM} T- TRADE MARK SIGN \texttrademark T- REGISTERED SIGN \textregistered T> LATIN CAPITAL LETTER O WITH OGONEK AND MACRON \textogonekcentered{\=O} T> LATIN SMALL LETTER O WITH OGONEK AND MACRON \textogonekcentered{\=o} M- DOUBLE-STRUCK CAPITAL N \mathbb N M- DOUBLE-STRUCK CAPITAL Z \mathbb Z M- DOUBLE-STRUCK CAPITAL Q \mathbb Q M- DOUBLE-STRUCK CAPITAL R \mathbb R M- DOUBLE-STRUCK CAPITAL C \mathbb C